diff --git a/apps/chat/CLAUDE.md b/apps/chat/CLAUDE.md
index a21ab5b66..ed05b2284 100644
--- a/apps/chat/CLAUDE.md
+++ b/apps/chat/CLAUDE.md
@@ -70,7 +70,7 @@ pnpm preview                     # Preview production build
 - **Mobile**: React Native 0.76.7 + Expo SDK 52, NativeWind, Expo Router
 - **Web**: SvelteKit 2.x, Svelte 5, Tailwind CSS 4
 - **Landing**: Astro 5.16, Tailwind CSS
-- **Backend**: NestJS 10, OpenRouter AI + Ollama (local), Drizzle ORM, PostgreSQL
+- **Backend**: NestJS 10, OpenRouter AI + mana-llm (local), Drizzle ORM, PostgreSQL
 - **Auth**: Mana Core Auth (JWT)
 - **Types**: TypeScript 5.x
 
@@ -97,9 +97,9 @@ pnpm preview                     # Preview production build
 # Cloud AI models via OpenRouter (optional if using only local models)
 OPENROUTER_API_KEY=sk-or-v1-xxx    # Get at https://openrouter.ai/keys
 
-# Local AI via Ollama (optional, defaults to localhost:11434)
-OLLAMA_URL=http://localhost:11434  # Or http://host.docker.internal:11434 in Docker
-OLLAMA_TIMEOUT=120000              # Timeout in ms (default: 120s)
+# Local AI via mana-llm service
+MANA_LLM_URL=http://localhost:3025 # mana-llm service URL
+LLM_TIMEOUT=120000                 # Timeout in ms (default: 120s)
 
 # Database (uses shared Docker PostgreSQL)
 DATABASE_URL=postgresql://manacore:devpassword@localhost:5432/chat
diff --git a/apps/chat/apps/backend/src/chat/ollama.service.ts b/apps/chat/apps/backend/src/chat/ollama.service.ts
index 31692b9cd..dc8d476b5 100644
--- a/apps/chat/apps/backend/src/chat/ollama.service.ts
+++ b/apps/chat/apps/backend/src/chat/ollama.service.ts
@@ -3,22 +3,28 @@ import { ConfigService } from '@nestjs/config';
 import { AsyncResult, ok, err, ServiceError } from '@manacore/shared-errors';
 import type { ChatCompletionResponseDto } from './dto/chat-completion.dto';
 
-interface OllamaChatMessage {
+interface ChatMessage {
 	role: 'system' | 'user' | 'assistant';
 	content: string;
 }
 
-interface OllamaChatResponse {
+interface ChatCompletionResponse {
+	id: string;
 	model: string;
-	message: {
-		role: string;
-		content: string;
+	choices: {
+		message: { role: string; content: string };
+		finish_reason: string;
+	}[];
+	usage: {
+		prompt_tokens: number;
+		completion_tokens: number;
+		total_tokens: number;
 	};
-	done: boolean;
-	total_duration?: number;
-	eval_count?: number;
-	eval_duration?: number;
-	prompt_eval_count?: number;
+}
+
+interface LlmModel {
+	id: string;
+	owned_by: string;
 }
 
 @Injectable()
@@ -29,8 +35,8 @@ export class OllamaService {
 	private isConnected = false;
 
 	constructor(private configService: ConfigService) {
-		this.baseUrl = this.configService.get<string>('OLLAMA_URL') || 'http://localhost:11434';
-		this.timeout = this.configService.get<number>('OLLAMA_TIMEOUT') || 120000;
+		this.baseUrl = this.configService.get<string>('MANA_LLM_URL') || 'http://localhost:3025';
+		this.timeout = this.configService.get<number>('LLM_TIMEOUT') || 120000;
 
 		// Check connection on startup
 		this.checkConnection();
@@ -38,20 +44,23 @@ export class OllamaService {
 
 	async checkConnection(): Promise<boolean> {
 		try {
-			const response = await fetch(`${this.baseUrl}/api/version`, {
+			const response = await fetch(`${this.baseUrl}/health`, {
 				signal: AbortSignal.timeout(5000),
 			});
 			if (response.ok) {
 				const data = await response.json();
-				this.isConnected = true;
-				this.logger.log(`Ollama connected: v${data.version} at ${this.baseUrl}`);
-				return true;
+				this.isConnected = data.status === 'healthy' || data.status === 'degraded';
+				if (this.isConnected) {
+					const providers = Object.keys(data.providers || {}).join(', ');
+					this.logger.log(`mana-llm connected: ${data.status}, providers: ${providers}`);
+				}
+				return this.isConnected;
 			}
 			this.isConnected = false;
 			return false;
 		} catch (error) {
 			this.isConnected = false;
-			this.logger.warn(`Ollama not available at ${this.baseUrl} - local models will not work`);
+			this.logger.warn(`mana-llm not available at ${this.baseUrl} - local models will not work`);
 			return false;
 		}
 	}
@@ -62,7 +71,7 @@ export class OllamaService {
 
 	async createChatCompletion(
 		modelName: string,
-		messages: OllamaChatMessage[],
+		messages: ChatMessage[],
 		temperature?: number,
 		maxTokens?: number
 	): AsyncResult<ChatCompletionResponseDto> {
@@ -71,33 +80,31 @@ export class OllamaService {
 			await this.checkConnection();
 			if (!this.isConnected) {
 				return err(
-					ServiceError.externalError('Ollama', `Ollama server not available at ${this.baseUrl}`)
+					ServiceError.externalError('mana-llm', `mana-llm server not available at ${this.baseUrl}`)
 				);
 			}
 		}
 
-		this.logger.log(`Sending request to Ollama model: ${modelName}`);
+		// Normalize model name to include ollama/ prefix if it doesn't have a provider
+		const normalizedModel = modelName.includes('/') ? modelName : `ollama/${modelName}`;
+		this.logger.log(`Sending request to mana-llm model: ${normalizedModel}`);
 
 		try {
 			const requestBody: Record<string, unknown> = {
-				model: modelName,
+				model: normalizedModel,
 				messages,
 				stream: false,
 			};
 
-			// Add options if provided
-			const options: Record<string, unknown> = {};
+			// Add optional parameters
 			if (temperature !== undefined) {
-				options.temperature = temperature;
+				requestBody.temperature = temperature;
 			}
 			if (maxTokens !== undefined) {
-				options.num_predict = maxTokens;
-			}
-			if (Object.keys(options).length > 0) {
-				requestBody.options = options;
+				requestBody.max_tokens = maxTokens;
 			}
 
-			const response = await fetch(`${this.baseUrl}/api/chat`, {
+			const response = await fetch(`${this.baseUrl}/v1/chat/completions`, {
 				method: 'POST',
 				headers: { 'Content-Type': 'application/json' },
 				body: JSON.stringify(requestBody),
@@ -106,45 +113,44 @@ export class OllamaService {
 
 			if (!response.ok) {
 				const errorText = await response.text();
-				this.logger.error(`Ollama API error: ${response.status} - ${errorText}`);
-				return err(ServiceError.externalError('Ollama', `API error: ${response.status}`));
+				this.logger.error(`mana-llm API error: ${response.status} - ${errorText}`);
+				return err(ServiceError.externalError('mana-llm', `API error: ${response.status}`));
 			}
 
-			const data: OllamaChatResponse = await response.json();
+			const data: ChatCompletionResponse = await response.json();
 
-			if (!data.message?.content) {
-				this.logger.warn('No message content in Ollama response');
-				return err(ServiceError.generationFailed('Ollama', 'No response generated'));
+			if (!data.choices?.[0]?.message?.content) {
+				this.logger.warn('No message content in mana-llm response');
+				return err(ServiceError.generationFailed('mana-llm', 'No response generated'));
 			}
 
-			// Calculate token usage from Ollama metrics
-			const promptTokens = data.prompt_eval_count || 0;
-			const completionTokens = data.eval_count || 0;
+			const usage = data.usage || { prompt_tokens: 0, completion_tokens: 0, total_tokens: 0 };
 
 			// Log performance metrics
-			if (data.eval_count && data.eval_duration) {
-				const tokensPerSec = (data.eval_count / data.eval_duration) * 1e9;
-				this.logger.debug(`Generated ${data.eval_count} tokens at ${tokensPerSec.toFixed(1)} t/s`);
+			if (usage.completion_tokens) {
+				this.logger.debug(
+					`Generated ${usage.completion_tokens} tokens (total: ${usage.total_tokens})`
+				);
 			}
 
 			return ok({
-				content: data.message.content,
+				content: data.choices[0].message.content,
 				usage: {
-					prompt_tokens: promptTokens,
-					completion_tokens: completionTokens,
-					total_tokens: promptTokens + completionTokens,
+					prompt_tokens: usage.prompt_tokens,
+					completion_tokens: usage.completion_tokens,
+					total_tokens: usage.total_tokens,
 				},
 			});
 		} catch (error) {
 			if (error instanceof Error && error.name === 'TimeoutError') {
-				this.logger.error('Ollama request timed out');
-				return err(ServiceError.generationFailed('Ollama', 'Request timed out'));
+				this.logger.error('mana-llm request timed out');
+				return err(ServiceError.generationFailed('mana-llm', 'Request timed out'));
 			}
 
-			this.logger.error('Error calling Ollama API', error);
+			this.logger.error('Error calling mana-llm API', error);
 			return err(
 				ServiceError.generationFailed(
-					'Ollama',
+					'mana-llm',
 					error instanceof Error ? error.message : 'Unknown error',
 					error instanceof Error ? error : undefined
 				)
@@ -154,14 +160,14 @@ export class OllamaService {
 
 	async listModels(): Promise<string[]> {
 		try {
-			const response = await fetch(`${this.baseUrl}/api/tags`, {
+			const response = await fetch(`${this.baseUrl}/v1/models`, {
 				signal: AbortSignal.timeout(5000),
 			});
 			if (!response.ok) {
 				return [];
 			}
 			const data = await response.json();
-			return (data.models || []).map((m: { name: string }) => m.name);
+			return (data.data || []).map((m: LlmModel) => m.id);
 		} catch {
 			return [];
 		}
diff --git a/services/matrix-ollama-bot/CLAUDE.md b/services/matrix-ollama-bot/CLAUDE.md
index a6c35830c..db02699d1 100644
--- a/services/matrix-ollama-bot/CLAUDE.md
+++ b/services/matrix-ollama-bot/CLAUDE.md
@@ -8,7 +8,7 @@ Matrix Ollama Bot provides a GDPR-compliant chat interface to local LLM inferenc
 
 - **Framework**: NestJS 10
 - **Matrix**: matrix-bot-sdk
-- **LLM**: Ollama (local inference)
+- **LLM**: mana-llm service (supports Ollama + cloud providers)
 
 ## Commands
 
@@ -77,10 +77,10 @@ MATRIX_ACCESS_TOKEN=syt_xxx
 MATRIX_ALLOWED_ROOMS=#ollama-bot:mana.how
 MATRIX_STORAGE_PATH=./data/bot-storage.json
 
-# Ollama
-OLLAMA_URL=http://localhost:11434
-OLLAMA_MODEL=gemma3:4b
-OLLAMA_TIMEOUT=120000
+# LLM (via mana-llm service)
+MANA_LLM_URL=http://localhost:3025
+LLM_MODEL=ollama/gemma3:4b
+LLM_TIMEOUT=120000
 ```
 
 ## Docker
@@ -93,7 +93,7 @@ docker build -f services/matrix-ollama-bot/Dockerfile -t matrix-ollama-bot servi
 docker run -p 3311:3311 \
   -e MATRIX_HOMESERVER_URL=http://synapse:8008 \
   -e MATRIX_ACCESS_TOKEN=syt_xxx \
-  -e OLLAMA_URL=http://host.docker.internal:11434 \
+  -e MANA_LLM_URL=http://mana-llm:3025 \
   -v matrix-ollama-bot-data:/app/data \
   matrix-ollama-bot
 ```
diff --git a/services/matrix-ollama-bot/src/config/configuration.ts b/services/matrix-ollama-bot/src/config/configuration.ts
index 72d1af582..97f9d5d46 100644
--- a/services/matrix-ollama-bot/src/config/configuration.ts
+++ b/services/matrix-ollama-bot/src/config/configuration.ts
@@ -6,10 +6,10 @@ export default () => ({
 		allowedRooms: process.env.MATRIX_ALLOWED_ROOMS?.split(',').filter(Boolean) || [],
 		storagePath: process.env.MATRIX_STORAGE_PATH || './data/bot-storage.json',
 	},
-	ollama: {
-		url: process.env.OLLAMA_URL || 'http://localhost:11434',
-		model: process.env.OLLAMA_MODEL || 'gemma3:4b',
-		timeout: parseInt(process.env.OLLAMA_TIMEOUT || '120000', 10),
+	llm: {
+		url: process.env.MANA_LLM_URL || 'http://localhost:3025',
+		model: process.env.LLM_MODEL || 'ollama/gemma3:4b',
+		timeout: parseInt(process.env.LLM_TIMEOUT || '120000', 10),
 	},
 });
 
diff --git a/services/matrix-ollama-bot/src/ollama/ollama.service.ts b/services/matrix-ollama-bot/src/ollama/ollama.service.ts
index d43590a2f..320549994 100644
--- a/services/matrix-ollama-bot/src/ollama/ollama.service.ts
+++ b/services/matrix-ollama-bot/src/ollama/ollama.service.ts
@@ -1,10 +1,36 @@
 import { Injectable, Logger, OnModuleInit } from '@nestjs/common';
 import { ConfigService } from '@nestjs/config';
 
-interface OllamaModel {
+interface LlmModel {
+	id: string;
 	name: string;
 	size: number;
-	modified_at: string;
+	owned_by: string;
+}
+
+interface ChatMessage {
+	role: 'user' | 'assistant' | 'system';
+	content: string | ContentPart[];
+}
+
+interface ContentPart {
+	type: 'text' | 'image_url';
+	text?: string;
+	image_url?: { url: string };
+}
+
+interface ChatCompletionResponse {
+	id: string;
+	model: string;
+	choices: {
+		message: { role: string; content: string };
+		finish_reason: string;
+	}[];
+	usage: {
+		prompt_tokens: number;
+		completion_tokens: number;
+		total_tokens: number;
+	};
 }
 
 @Injectable()
@@ -15,9 +41,9 @@ export class OllamaService implements OnModuleInit {
 	private readonly timeout: number;
 
 	constructor(private configService: ConfigService) {
-		this.baseUrl = this.configService.get<string>('ollama.url') || 'http://localhost:11434';
-		this.defaultModel = this.configService.get<string>('ollama.model') || 'gemma3:4b';
-		this.timeout = this.configService.get<number>('ollama.timeout') || 120000;
+		this.baseUrl = this.configService.get<string>('llm.url') || 'http://localhost:3025';
+		this.defaultModel = this.configService.get<string>('llm.model') || 'ollama/gemma3:4b';
+		this.timeout = this.configService.get<number>('llm.timeout') || 120000;
 	}
 
 	async onModuleInit() {
@@ -26,23 +52,29 @@ export class OllamaService implements OnModuleInit {
 
 	async checkConnection(): Promise<boolean> {
 		try {
-			const response = await fetch(`${this.baseUrl}/api/version`, {
+			const response = await fetch(`${this.baseUrl}/health`, {
 				signal: AbortSignal.timeout(5000),
 			});
 			const data = await response.json();
-			this.logger.log(`Ollama connected: v${data.version}`);
-			return true;
+			this.logger.log(`mana-llm connected: ${data.status}, providers: ${Object.keys(data.providers || {}).join(', ')}`);
+			return data.status === 'healthy' || data.status === 'degraded';
 		} catch (error) {
-			this.logger.error(`Failed to connect to Ollama at ${this.baseUrl}:`, error);
+			this.logger.error(`Failed to connect to mana-llm at ${this.baseUrl}:`, error);
 			return false;
 		}
 	}
 
-	async listModels(): Promise<OllamaModel[]> {
+	async listModels(): Promise<{ name: string; size: number; modified_at: string }[]> {
 		try {
-			const response = await fetch(`${this.baseUrl}/api/tags`);
+			const response = await fetch(`${this.baseUrl}/v1/models`);
 			const data = await response.json();
-			return data.models || [];
+
+			// Convert OpenAI format to legacy Ollama format for compatibility
+			return (data.data || []).map((m: LlmModel) => ({
+				name: m.id,
+				size: 0, // mana-llm doesn't provide size
+				modified_at: new Date().toISOString(),
+			}));
 		} catch (error) {
 			this.logger.error('Failed to list models:', error);
 			return [];
@@ -53,10 +85,10 @@ export class OllamaService implements OnModuleInit {
 		messages: { role: 'user' | 'assistant' | 'system'; content: string }[],
 		model?: string
 	): Promise<string> {
-		const selectedModel = model || this.defaultModel;
+		const selectedModel = model ? this.normalizeModel(model) : this.defaultModel;
 
 		try {
-			const response = await fetch(`${this.baseUrl}/api/chat`, {
+			const response = await fetch(`${this.baseUrl}/v1/chat/completions`, {
 				method: 'POST',
 				headers: { 'Content-Type': 'application/json' },
 				body: JSON.stringify({
@@ -68,21 +100,23 @@ export class OllamaService implements OnModuleInit {
 			});
 
 			if (!response.ok) {
-				throw new Error(`Ollama API error: ${response.status}`);
+				const errorText = await response.text();
+				throw new Error(`mana-llm API error: ${response.status} - ${errorText}`);
 			}
 
-			const data = await response.json();
+			const data: ChatCompletionResponse = await response.json();
 
 			// Log performance metrics
-			if (data.eval_count && data.eval_duration) {
-				const tokensPerSec = (data.eval_count / data.eval_duration) * 1e9;
-				this.logger.debug(`Generated ${data.eval_count} tokens at ${tokensPerSec.toFixed(1)} t/s`);
+			if (data.usage) {
+				this.logger.debug(
+					`Generated ${data.usage.completion_tokens} tokens (total: ${data.usage.total_tokens})`
+				);
 			}
 
-			return data.message?.content || '';
+			return data.choices[0]?.message?.content || '';
 		} catch (error) {
 			if (error instanceof Error && error.name === 'TimeoutError') {
-				throw new Error('Ollama Timeout - Antwort dauerte zu lange');
+				throw new Error('LLM Timeout - Antwort dauerte zu lange');
 			}
 			throw error;
 		}
@@ -93,46 +127,65 @@ export class OllamaService implements OnModuleInit {
 	}
 
 	async chatWithImage(prompt: string, imageBase64: string, model?: string): Promise<string> {
-		const selectedModel = model || this.defaultModel;
+		const selectedModel = model ? this.normalizeModel(model) : this.defaultModel;
 
 		try {
-			const response = await fetch(`${this.baseUrl}/api/chat`, {
+			// Use OpenAI vision format
+			const messages: ChatMessage[] = [
+				{
+					role: 'user',
+					content: [
+						{ type: 'text', text: prompt },
+						{
+							type: 'image_url',
+							image_url: { url: `data:image/png;base64,${imageBase64}` },
+						},
+					],
+				},
+			];
+
+			const response = await fetch(`${this.baseUrl}/v1/chat/completions`, {
 				method: 'POST',
 				headers: { 'Content-Type': 'application/json' },
 				body: JSON.stringify({
 					model: selectedModel,
-					messages: [
-						{
-							role: 'user',
-							content: prompt,
-							images: [imageBase64],
-						},
-					],
+					messages,
 					stream: false,
 				}),
 				signal: AbortSignal.timeout(this.timeout),
 			});
 
 			if (!response.ok) {
-				throw new Error(`Ollama API error: ${response.status}`);
+				const errorText = await response.text();
+				throw new Error(`mana-llm API error: ${response.status} - ${errorText}`);
 			}
 
-			const data = await response.json();
+			const data: ChatCompletionResponse = await response.json();
 
 			// Log performance metrics
-			if (data.eval_count && data.eval_duration) {
-				const tokensPerSec = (data.eval_count / data.eval_duration) * 1e9;
+			if (data.usage) {
 				this.logger.debug(
-					`Vision: Generated ${data.eval_count} tokens at ${tokensPerSec.toFixed(1)} t/s`
+					`Vision: Generated ${data.usage.completion_tokens} tokens (total: ${data.usage.total_tokens})`
 				);
 			}
 
-			return data.message?.content || '';
+			return data.choices[0]?.message?.content || '';
 		} catch (error) {
 			if (error instanceof Error && error.name === 'TimeoutError') {
-				throw new Error('Ollama Timeout - Bildanalyse dauerte zu lange');
+				throw new Error('LLM Timeout - Bildanalyse dauerte zu lange');
 			}
 			throw error;
 		}
 	}
+
+	/**
+	 * Normalize model name to include provider prefix if missing.
+	 * e.g., "gemma3:4b" -> "ollama/gemma3:4b"
+	 */
+	private normalizeModel(model: string): string {
+		if (model.includes('/')) {
+			return model;
+		}
+		return `ollama/${model}`;
+	}
 }
diff --git a/services/telegram-ollama-bot/CLAUDE.md b/services/telegram-ollama-bot/CLAUDE.md
index df13eed23..37b537fe1 100644
--- a/services/telegram-ollama-bot/CLAUDE.md
+++ b/services/telegram-ollama-bot/CLAUDE.md
@@ -6,7 +6,7 @@ Telegram Bot für lokale LLM-Inferenz via Ollama auf dem Mac Mini Server.
 
 - **Framework**: NestJS 10
 - **Telegram**: nestjs-telegraf + Telegraf
-- **LLM**: Ollama API (Gemma 3 4B)
+- **LLM**: mana-llm service (supports Ollama + cloud providers)
 
 ## Commands
 
@@ -53,10 +53,10 @@ PORT=3301
 TELEGRAM_BOT_TOKEN=xxx              # Bot Token von @BotFather
 TELEGRAM_ALLOWED_USERS=123,456      # Optional: Nur diese User IDs erlauben
 
-# Ollama
-OLLAMA_URL=http://localhost:11434   # Ollama API URL
-OLLAMA_MODEL=gemma3:4b              # Standard-Modell
-OLLAMA_TIMEOUT=120000               # Timeout in ms
+# LLM (via mana-llm service)
+MANA_LLM_URL=http://localhost:3025  # mana-llm service URL
+LLM_MODEL=ollama/gemma3:4b          # Standard-Modell (provider/model format)
+LLM_TIMEOUT=120000                  # Timeout in ms
 ```
 
 ## Projekt-Struktur
@@ -91,20 +91,20 @@ telegram-ollama-bot:
   environment:
     PORT: 3301
     TELEGRAM_BOT_TOKEN: ${TELEGRAM_BOT_TOKEN}
-    OLLAMA_URL: http://host.docker.internal:11434
-    OLLAMA_MODEL: gemma3:4b
+    MANA_LLM_URL: http://mana-llm:3025
+    LLM_MODEL: ollama/gemma3:4b
   ports:
     - "3301:3301"
 ```
 
-### Option 2: Nativ (empfohlen für beste Ollama-Performance)
+### Option 2: Nativ
 
 ```bash
 # Auf dem Mac Mini
 cd ~/projects/manacore-monorepo/services/telegram-ollama-bot
 pnpm install
 pnpm build
-TELEGRAM_BOT_TOKEN=xxx OLLAMA_URL=http://localhost:11434 pnpm start:prod
+TELEGRAM_BOT_TOKEN=xxx MANA_LLM_URL=http://localhost:3025 pnpm start:prod
 ```
 
 ## Neuen Bot erstellen
diff --git a/services/telegram-ollama-bot/src/config/configuration.ts b/services/telegram-ollama-bot/src/config/configuration.ts
index 667b1ca75..be2728189 100644
--- a/services/telegram-ollama-bot/src/config/configuration.ts
+++ b/services/telegram-ollama-bot/src/config/configuration.ts
@@ -5,10 +5,10 @@ export default () => ({
 		allowedUsers:
 			process.env.TELEGRAM_ALLOWED_USERS?.split(',').map((id) => parseInt(id, 10)) || [],
 	},
-	ollama: {
-		url: process.env.OLLAMA_URL || 'http://localhost:11434',
-		model: process.env.OLLAMA_MODEL || 'gemma3:4b',
-		timeout: parseInt(process.env.OLLAMA_TIMEOUT || '120000', 10),
+	llm: {
+		url: process.env.MANA_LLM_URL || 'http://localhost:3025',
+		model: process.env.LLM_MODEL || 'ollama/gemma3:4b',
+		timeout: parseInt(process.env.LLM_TIMEOUT || '120000', 10),
 	},
 });
 
diff --git a/services/telegram-ollama-bot/src/ollama/ollama.service.ts b/services/telegram-ollama-bot/src/ollama/ollama.service.ts
index ebb38c7df..751378d7c 100644
--- a/services/telegram-ollama-bot/src/ollama/ollama.service.ts
+++ b/services/telegram-ollama-bot/src/ollama/ollama.service.ts
@@ -1,19 +1,23 @@
 import { Injectable, Logger, OnModuleInit } from '@nestjs/common';
 import { ConfigService } from '@nestjs/config';
 
-interface OllamaGenerateResponse {
-	model: string;
-	response: string;
-	done: boolean;
-	total_duration?: number;
-	eval_count?: number;
-	eval_duration?: number;
+interface LlmModel {
+	id: string;
+	owned_by: string;
 }
 
-interface OllamaModel {
-	name: string;
-	size: number;
-	modified_at: string;
+interface ChatCompletionResponse {
+	id: string;
+	model: string;
+	choices: {
+		message: { role: string; content: string };
+		finish_reason: string;
+	}[];
+	usage: {
+		prompt_tokens: number;
+		completion_tokens: number;
+		total_tokens: number;
+	};
 }
 
 @Injectable()
@@ -24,9 +28,9 @@ export class OllamaService implements OnModuleInit {
 	private readonly timeout: number;
 
 	constructor(private configService: ConfigService) {
-		this.baseUrl = this.configService.get<string>('ollama.url') || 'http://localhost:11434';
-		this.defaultModel = this.configService.get<string>('ollama.model') || 'gemma3:4b';
-		this.timeout = this.configService.get<number>('ollama.timeout') || 120000;
+		this.baseUrl = this.configService.get<string>('llm.url') || 'http://localhost:3025';
+		this.defaultModel = this.configService.get<string>('llm.model') || 'ollama/gemma3:4b';
+		this.timeout = this.configService.get<number>('llm.timeout') || 120000;
 	}
 
 	async onModuleInit() {
@@ -35,23 +39,31 @@ export class OllamaService implements OnModuleInit {
 
 	async checkConnection(): Promise<boolean> {
 		try {
-			const response = await fetch(`${this.baseUrl}/api/version`, {
+			const response = await fetch(`${this.baseUrl}/health`, {
 				signal: AbortSignal.timeout(5000),
 			});
 			const data = await response.json();
-			this.logger.log(`Ollama connected: v${data.version}`);
-			return true;
+			this.logger.log(
+				`mana-llm connected: ${data.status}, providers: ${Object.keys(data.providers || {}).join(', ')}`
+			);
+			return data.status === 'healthy' || data.status === 'degraded';
 		} catch (error) {
-			this.logger.error(`Failed to connect to Ollama at ${this.baseUrl}:`, error);
+			this.logger.error(`Failed to connect to mana-llm at ${this.baseUrl}:`, error);
 			return false;
 		}
 	}
 
-	async listModels(): Promise<OllamaModel[]> {
+	async listModels(): Promise<{ name: string; size: number; modified_at: string }[]> {
 		try {
-			const response = await fetch(`${this.baseUrl}/api/tags`);
+			const response = await fetch(`${this.baseUrl}/v1/models`);
 			const data = await response.json();
-			return data.models || [];
+
+			// Convert OpenAI format to legacy Ollama format for compatibility
+			return (data.data || []).map((m: LlmModel) => ({
+				name: m.id,
+				size: 0,
+				modified_at: new Date().toISOString(),
+			}));
 		} catch (error) {
 			this.logger.error('Failed to list models:', error);
 			return [];
@@ -59,55 +71,17 @@ export class OllamaService implements OnModuleInit {
 	}
 
 	async generate(prompt: string, systemPrompt?: string, model?: string): Promise<string> {
-		const selectedModel = model || this.defaultModel;
-
-		const body: Record<string, unknown> = {
-			model: selectedModel,
-			prompt,
-			stream: false,
-		};
+		const selectedModel = model ? this.normalizeModel(model) : this.defaultModel;
 
+		// Convert generate to chat format
+		const messages: { role: 'user' | 'assistant' | 'system'; content: string }[] = [];
 		if (systemPrompt) {
-			body.system = systemPrompt;
+			messages.push({ role: 'system', content: systemPrompt });
 		}
+		messages.push({ role: 'user', content: prompt });
 
 		try {
-			const response = await fetch(`${this.baseUrl}/api/generate`, {
-				method: 'POST',
-				headers: { 'Content-Type': 'application/json' },
-				body: JSON.stringify(body),
-				signal: AbortSignal.timeout(this.timeout),
-			});
-
-			if (!response.ok) {
-				throw new Error(`Ollama API error: ${response.status}`);
-			}
-
-			const data: OllamaGenerateResponse = await response.json();
-
-			// Log performance metrics
-			if (data.eval_count && data.eval_duration) {
-				const tokensPerSec = (data.eval_count / data.eval_duration) * 1e9;
-				this.logger.debug(`Generated ${data.eval_count} tokens at ${tokensPerSec.toFixed(1)} t/s`);
-			}
-
-			return data.response;
-		} catch (error) {
-			if (error instanceof Error && error.name === 'TimeoutError') {
-				throw new Error('Ollama Timeout - Antwort dauerte zu lange');
-			}
-			throw error;
-		}
-	}
-
-	async chat(
-		messages: { role: 'user' | 'assistant' | 'system'; content: string }[],
-		model?: string
-	): Promise<string> {
-		const selectedModel = model || this.defaultModel;
-
-		try {
-			const response = await fetch(`${this.baseUrl}/api/chat`, {
+			const response = await fetch(`${this.baseUrl}/v1/chat/completions`, {
 				method: 'POST',
 				headers: { 'Content-Type': 'application/json' },
 				body: JSON.stringify({
@@ -119,14 +93,63 @@ export class OllamaService implements OnModuleInit {
 			});
 
 			if (!response.ok) {
-				throw new Error(`Ollama API error: ${response.status}`);
+				const errorText = await response.text();
+				throw new Error(`mana-llm API error: ${response.status} - ${errorText}`);
 			}
 
-			const data = await response.json();
-			return data.message?.content || '';
+			const data: ChatCompletionResponse = await response.json();
+
+			// Log performance metrics
+			if (data.usage) {
+				this.logger.debug(
+					`Generated ${data.usage.completion_tokens} tokens (total: ${data.usage.total_tokens})`
+				);
+			}
+
+			return data.choices[0]?.message?.content || '';
 		} catch (error) {
 			if (error instanceof Error && error.name === 'TimeoutError') {
-				throw new Error('Ollama Timeout - Antwort dauerte zu lange');
+				throw new Error('LLM Timeout - Antwort dauerte zu lange');
+			}
+			throw error;
+		}
+	}
+
+	async chat(
+		messages: { role: 'user' | 'assistant' | 'system'; content: string }[],
+		model?: string
+	): Promise<string> {
+		const selectedModel = model ? this.normalizeModel(model) : this.defaultModel;
+
+		try {
+			const response = await fetch(`${this.baseUrl}/v1/chat/completions`, {
+				method: 'POST',
+				headers: { 'Content-Type': 'application/json' },
+				body: JSON.stringify({
+					model: selectedModel,
+					messages,
+					stream: false,
+				}),
+				signal: AbortSignal.timeout(this.timeout),
+			});
+
+			if (!response.ok) {
+				const errorText = await response.text();
+				throw new Error(`mana-llm API error: ${response.status} - ${errorText}`);
+			}
+
+			const data: ChatCompletionResponse = await response.json();
+
+			if (data.usage) {
+				this.logger.debug(
+					`Generated ${data.usage.completion_tokens} tokens (total: ${data.usage.total_tokens})`
+				);
+			}
+
+			return data.choices[0]?.message?.content || '';
+		} catch (error) {
+			if (error instanceof Error && error.name === 'TimeoutError') {
+				throw new Error('LLM Timeout - Antwort dauerte zu lange');
 			}
 			throw error;
 		}
@@ -135,4 +158,14 @@ export class OllamaService implements OnModuleInit {
 	getDefaultModel(): string {
 		return this.defaultModel;
 	}
+
+	/**
+	 * Normalize model name to include provider prefix if missing.
+	 */
+	private normalizeModel(model: string): string {
+		if (model.includes('/')) {
+			return model;
+		}
+		return `ollama/${model}`;
+	}
 }
diff --git a/services/telegram-project-doc-bot/CLAUDE.md b/services/telegram-project-doc-bot/CLAUDE.md
index 60c57331c..625ec6efd 100644
--- a/services/telegram-project-doc-bot/CLAUDE.md
+++ b/services/telegram-project-doc-bot/CLAUDE.md
@@ -9,7 +9,7 @@ Telegram Bot zum Sammeln von Projektdokumentation (Fotos, Sprachnotizen, Text) u
 - **Database**: PostgreSQL + Drizzle ORM
 - **Storage**: S3 (MinIO lokal, Hetzner in Produktion)
 - **AI - Transcription**: OpenAI Whisper
-- **AI - Generation**: Ollama (lokal) oder OpenAI GPT
+- **AI - Generation**: mana-llm service oder OpenAI GPT
 
 ## Commands
 
@@ -90,9 +90,9 @@ S3_BUCKET=projectdoc-storage
 OPENAI_API_KEY=sk-xxx
 
 # AI - Generation
-LLM_PROVIDER=ollama                 # ollama oder openai
-OLLAMA_URL=http://localhost:11434
-OLLAMA_MODEL=gemma3:4b
+LLM_PROVIDER=mana-llm               # mana-llm oder openai
+MANA_LLM_URL=http://localhost:3025  # mana-llm service URL
+LLM_MODEL=ollama/gemma3:4b          # Model with provider prefix
 ```
 
 ## Projekt-Struktur
diff --git a/services/telegram-project-doc-bot/src/config/configuration.ts b/services/telegram-project-doc-bot/src/config/configuration.ts
index 467903802..d59aa34a1 100644
--- a/services/telegram-project-doc-bot/src/config/configuration.ts
+++ b/services/telegram-project-doc-bot/src/config/configuration.ts
@@ -26,10 +26,10 @@ export default () => ({
 		model: process.env.STT_MODEL || 'whisper', // 'whisper' or 'voxtral'
 	},
 	llm: {
-		provider: process.env.LLM_PROVIDER || 'ollama',
-		ollama: {
-			url: process.env.OLLAMA_URL || 'http://localhost:11434',
-			model: process.env.OLLAMA_MODEL || 'gemma3:4b',
+		provider: process.env.LLM_PROVIDER || 'mana-llm',
+		manaLlm: {
+			url: process.env.MANA_LLM_URL || 'http://localhost:3025',
+			model: process.env.LLM_MODEL || 'ollama/gemma3:4b',
 		},
 	},
 });
diff --git a/services/telegram-project-doc-bot/src/generation/generation.service.ts b/services/telegram-project-doc-bot/src/generation/generation.service.ts
index 3cd293b0e..9536e59c7 100644
--- a/services/telegram-project-doc-bot/src/generation/generation.service.ts
+++ b/services/telegram-project-doc-bot/src/generation/generation.service.ts
@@ -14,8 +14,8 @@ type BlogStyle = keyof typeof BLOG_STYLES;
 export class GenerationService {
 	private readonly logger = new Logger(GenerationService.name);
 	private readonly llmProvider: string;
-	private readonly ollamaUrl: string;
-	private readonly ollamaModel: string;
+	private readonly manaLlmUrl: string;
+	private readonly manaLlmModel: string;
 	private readonly openai: OpenAI | null;
 
 	constructor(
@@ -23,9 +23,10 @@ export class GenerationService {
 		private db: PostgresJsDatabase<typeof schema>,
 		private configService: ConfigService
 	) {
-		this.llmProvider = this.configService.get<string>('llm.provider') || 'ollama';
-		this.ollamaUrl = this.configService.get<string>('llm.ollama.url') || 'http://localhost:11434';
-		this.ollamaModel = this.configService.get<string>('llm.ollama.model') || 'gemma3:4b';
+		this.llmProvider = this.configService.get<string>('llm.provider') || 'mana-llm';
+		this.manaLlmUrl = this.configService.get<string>('llm.manaLlm.url') || 'http://localhost:3025';
+		this.manaLlmModel =
+			this.configService.get<string>('llm.manaLlm.model') || 'ollama/gemma3:4b';
 
 		const apiKey = this.configService.get<string>('openai.apiKey');
 		this.openai = apiKey ? new OpenAI({ apiKey }) : null;
@@ -148,7 +149,7 @@ Beginne direkt mit dem Blogbeitrag (ohne Einleitung wie "Hier ist der Blogbeitra
 			return this.callOpenAI(prompt);
 		}
 
-		return this.callOllama(prompt);
+		return this.callManaLlm(prompt);
 	}
 
 	private async callOpenAI(prompt: string): Promise<string> {
@@ -166,24 +167,27 @@ Beginne direkt mit dem Blogbeitrag (ohne Einleitung wie "Hier ist der Blogbeitra
 		return response.choices[0]?.message?.content || '';
 	}
 
-	private async callOllama(prompt: string): Promise<string> {
-		const response = await fetch(`${this.ollamaUrl}/api/generate`, {
+	private async callManaLlm(prompt: string): Promise<string> {
+		const response = await fetch(`${this.manaLlmUrl}/v1/chat/completions`, {
 			method: 'POST',
 			headers: { 'Content-Type': 'application/json' },
 			body: JSON.stringify({
-				model: this.ollamaModel,
-				prompt,
+				model: this.manaLlmModel,
+				messages: [{ role: 'user', content: prompt }],
+				temperature: 0.7,
+				max_tokens: 4000,
 				stream: false,
 			}),
 			signal: AbortSignal.timeout(180000), // 3 minutes timeout
 		});
 
 		if (!response.ok) {
-			throw new Error(`Ollama API error: ${response.status}`);
+			const errorText = await response.text();
+			throw new Error(`mana-llm API error: ${response.status} - ${errorText}`);
 		}
 
 		const data = await response.json();
-		return data.response || '';
+		return data.choices?.[0]?.message?.content || '';
 	}
 
 	async getLatestGeneration(projectId: string): Promise<Generation | undefined> {