const OpenAI = require("openai"); const Provider = require("./ai-provider.js"); const InheritMultiple = require("./helpers/classes.js"); const UnTooled = require("./helpers/untooled.js"); /** * The provider for the OpenRouter provider. */ class OpenRouterProvider extends InheritMultiple([Provider, UnTooled]) { model; constructor(config = {}) { const { model = "openrouter/auto" } = config; super(); const client = new OpenAI({ baseURL: "https://openrouter.ai/api/v1", apiKey: process.env.OPENROUTER_API_KEY, maxRetries: 3, defaultHeaders: { "HTTP-Referer": "https://useanything.com", "X-Title": "AnythingLLM", }, }); this._client = client; this.model = model; this.verbose = true; } get client() { return this._client; } async #handleFunctionCallChat({ messages = [] }) { return await this.client.chat.completions .create({ model: this.model, temperature: 0, messages, }) .then((result) => { if (!result.hasOwnProperty("choices")) throw new Error("OpenRouter chat: No results!"); if (result.choices.length === 0) throw new Error("OpenRouter chat: No results length!"); return result.choices[0].message.content; }) .catch((_) => { return null; }); } /** * Create a completion based on the received messages. * * @param messages A list of messages to send to the API. * @param functions * @returns The completion. */ async complete(messages, functions = null) { try { let completion; if (functions.length > 0) { const { toolCall, text } = await this.functionCall( messages, functions, this.#handleFunctionCallChat.bind(this) ); if (toolCall !== null) { this.providerLog(`Valid tool call found - running ${toolCall.name}.`); this.deduplicator.trackRun(toolCall.name, toolCall.arguments); return { result: null, functionCall: { name: toolCall.name, arguments: toolCall.arguments, }, cost: 0, }; } completion = { content: text }; } if (!completion?.content) { this.providerLog( "Will assume chat completion without tool call inputs." ); const response = await this.client.chat.completions.create({ model: this.model, messages: this.cleanMsgs(messages), }); completion = response.choices[0].message; } return { result: completion.content, cost: 0, }; } catch (error) { throw error; } } /** * Get the cost of the completion. * * @param _usage The completion to get the cost for. * @returns The cost of the completion. * Stubbed since OpenRouter has no cost basis. */ getCost(_usage) { return 0; } } module.exports = OpenRouterProvider;