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feat(llm): add support for custom OpenAI-compatible API base URL #24

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feat(llm): add support for custom OpenAI-compatible API base URL #24

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feat(llm): add support for custom OpenAI-compatible API base URL
chinmay-sh Mar 17, 2026
805d7d7
Merge branch 'master' into oai-compatible
chinmay-sh Mar 18, 2026
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4 changes: 4 additions & 0 deletions .env.example
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Expand Up @@ -39,6 +39,10 @@ LLM_API_KEY=
# anthropic: claude-sonnet-4-6 | openai: gpt-5.4 | gemini: gemini-3.1-pro | codex: gpt-5.3-codex | openrouter: openrouter/auto | minimax: MiniMax-M2.5
LLM_MODEL=

# Optional override. Defaults to OpenAI's API endpoint.
LLM_BASE_URL=


# === Telegram Alerts (optional, requires LLM) ===
# Create a bot via @BotFather, get chat ID via @userinfobot
TELEGRAM_BOT_TOKEN=
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1 change: 1 addition & 0 deletions crucix.config.mjs
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Expand Up @@ -10,6 +10,7 @@ export default {
provider: process.env.LLM_PROVIDER || null, // anthropic | openai | gemini | codex | openrouter | minimax
apiKey: process.env.LLM_API_KEY || null,
model: process.env.LLM_MODEL || null,
baseUrl: process.env.LLM_BASE_URL || null, // custom base URL for OpenAI-compatible APIs
},

telegram: {
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4 changes: 2 additions & 2 deletions lib/llm/index.mjs
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Expand Up @@ -23,13 +23,13 @@ export { MiniMaxProvider } from './minimax.mjs';
export function createLLMProvider(llmConfig) {
if (!llmConfig?.provider) return null;

const { provider, apiKey, model } = llmConfig;
const { provider, apiKey, model, baseUrl } = llmConfig;

switch (provider.toLowerCase()) {
case 'anthropic':
return new AnthropicProvider({ apiKey, model });
case 'openai':
return new OpenAIProvider({ apiKey, model });
return new OpenAIProvider({ apiKey, model, baseUrl });
case 'openrouter':
return new OpenRouterProvider({ apiKey, model });
case 'gemini':
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3 changes: 2 additions & 1 deletion lib/llm/openai.mjs
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Expand Up @@ -8,12 +8,13 @@ export class OpenAIProvider extends LLMProvider {
this.name = 'openai';
this.apiKey = config.apiKey;
this.model = config.model || 'gpt-5.4';
this.baseUrl = config.baseUrl || 'https://api.openai.com/v1';
}

get isConfigured() { return !!this.apiKey; }

async complete(systemPrompt, userMessage, opts = {}) {
const res = await fetch('https://api.openai.com/v1/chat/completions', {
const res = await fetch(this.baseUrl + '/chat/completions', {
method: 'POST',
headers: {
'Content-Type': 'application/json',
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