feat: add EUrouter AI provider

.env.example

@@ -17,6 +17,10 @@ ANTHROPIC_API_KEY=your_anthropic_api_key_here
 CEREBRAS_API_KEY=your_cerebras_api_key_here
 
 # Fireworks AI (Fast inference with FireAttention engine)
+# EUrouter (EU-hosted, GDPR-friendly AI gateway)
+# Get your API key from: https://www.eurouter.ai
+EUROUTER_API_KEY=your_eurouter_api_key_here
+
 # Get your API key from: https://fireworks.ai/api-keys
 FIREWORKS_API_KEY=your_fireworks_api_key_here
 

app/lib/modules/llm/providers/eurouter.ts

@@ -0,0 +1,108 @@
+import { BaseProvider } from '~/lib/modules/llm/base-provider';
+import type { ModelInfo } from '~/lib/modules/llm/types';
+import type { IProviderSetting } from '~/types/model';
+import type { LanguageModelV1 } from 'ai';
+import { createOpenAI } from '@ai-sdk/openai';
+
+export default class EUrouterProvider extends BaseProvider {
+  name = 'EUrouter';
+  getApiKeyLink = 'https://www.eurouter.ai';
+
+  config = {
+    apiTokenKey: 'EUROUTER_API_KEY',
+  };
+
+  staticModels: ModelInfo[] = [
+    { name: 'deepseek-r1', label: 'DeepSeek R1', provider: 'EUrouter', maxTokenAllowed: 64000 },
+    { name: 'kimi-k2.5', label: 'Kimi K2.5', provider: 'EUrouter', maxTokenAllowed: 128000 },
+    {
+      name: 'mistral-large-latest',
+      label: 'Mistral Large 3',
+      provider: 'EUrouter',
+      maxTokenAllowed: 128000,
+    },
+    { name: 'minimax-m2.5', label: 'MiniMax M2.5', provider: 'EUrouter', maxTokenAllowed: 128000 },
+  ];
+
+  async getDynamicModels(
+    apiKeys?: Record<string, string>,
+    settings?: IProviderSetting,
+    serverEnv?: Record<string, string>,
+  ): Promise<ModelInfo[]> {
+    const { apiKey } = this.getProviderBaseUrlAndKey({
+      apiKeys,
+      providerSettings: settings,
+      serverEnv: serverEnv as any,
+      defaultBaseUrlKey: '',
+      defaultApiTokenKey: 'EUROUTER_API_KEY',
+    });
+
+    if (!apiKey) {
+      return [];
+    }
+
+    try {
+      const response = await fetch('https://api.eurouter.ai/api/v1/models', {
+        headers: {
+          Authorization: `Bearer ${apiKey}`,
+        },
+        signal: this.createTimeoutSignal(5000),
+      });
+
+      if (!response.ok) {
+        console.error(`EUrouter API error: ${response.statusText}`);
+        return [];
+      }
+
+      const data = (await response.json()) as any;
+      const staticModelIds = this.staticModels.map((m) => m.name);
+
+      const dynamicModels =
+        data.data
+          ?.filter((model: any) => !staticModelIds.includes(model.id))
+          .map((m: any) => ({
+            name: m.id,
+            label: m.id,
+            provider: this.name,
+            maxTokenAllowed: 128000,
+          })) || [];
+
+      return dynamicModels;
+    } catch (error) {
+      console.error('Failed to fetch EUrouter models:', error);
+      return [];
+    }
+  }
+
+  getModelInstance(options: {
+    model: string;
+    serverEnv: Env;
+    apiKeys?: Record<string, string>;
+    providerSettings?: Record<string, IProviderSetting>;
+  }): LanguageModelV1 {
+    const { model, serverEnv, apiKeys, providerSettings } = options;
+
+    const { apiKey } = this.getProviderBaseUrlAndKey({
+      apiKeys,
+      providerSettings: providerSettings?.[this.name],
+      serverEnv: serverEnv as any,
+      defaultBaseUrlKey: '',
+      defaultApiTokenKey: 'EUROUTER_API_KEY',
+    });
+
+    if (!apiKey) {
+      throw new Error(`Missing API key for ${this.name} provider`);
+    }
+
+    const openai = createOpenAI({
+      baseURL: 'https://api.eurouter.ai/api/v1',
+      apiKey,
+      headers: {
+        'HTTP-Referer': 'https://bolt.diy',
+        'X-EUrouter-Title': 'bolt.diy',
+      },
+    });
+
+    return openai(model);
+  }
+}

app/lib/modules/llm/registry.ts

@@ -2,6 +2,7 @@ import AnthropicProvider from './providers/anthropic';
 import CerebrasProvider from './providers/cerebras';
 import CohereProvider from './providers/cohere';
 import DeepseekProvider from './providers/deepseek';
+import EUrouterProvider from './providers/eurouter';
 import FireworksProvider from './providers/fireworks';
 import GoogleProvider from './providers/google';
 import GroqProvider from './providers/groq';
@@ -26,6 +27,7 @@ export {
   CerebrasProvider,
   CohereProvider,
   DeepseekProvider,
+  EUrouterProvider,
   FireworksProvider,
   GoogleProvider,
   GroqProvider,