OpenRouter
OtherA model router that provides access to multiple AI 모델s through a unified API. Switch between 300+ models including GPT-5, Claude, Gemini, and Llama with a single API key.
OpenRouter이란?
OpenRouter은(는) provides access to over 300 AI 모델s through a single unified API하는 model aggregator and router service입니다. 사용자가 switch between models from major providers — including OpenAI GPT-5, Anthropic Claude, Google Gemini, Meta Llama, Mistral, and DeepSeek — using a single API key. There is no need to create separate accounts with each provider, and pricing is transparent and pay-as-you-go, with some free models also available. The automatic fallback feature ensures high availability by automatically switching to an alternative provider if a specific one goes down. It is widely used not only by 개발자 but also as a backend for third-party apps that provide ChatGPT-compatible UIs, making it the optimal service for users who want to maximize their AI 모델 options.

요금제
주요 기능
장점 및 단점
장점
- ●Access 300+ AI 모델s with a single API key
- ●No need to register separately with each provider
- ●High availability through automatic fallback
- ●Transparent pricing (provider cost + small service fee)
- ●Free models available
단점
- ●Slightly higher cost than direct provider APIs
- ●New model version availability may lag
- ●UI is English only
- ●Rate limits depend on the provider side
자주 묻는 질문
Q. Can I use OpenRouter for free?
A. Registration is free, and you can use some free models (such as Llama-based ones). For paid models like GPT-5 and Claude, you charge credits on a pay-as-you-go basis.
Q. Can I use it as a replacement for the OpenAI API?
A. 네, it provides OpenAI-compatible API endpoints, so you can migrate existing applications by simply changing the endpoint URL. Plus, you gain access to over 300 models.
Q. Which model do you recommend?
A. It depends on the use case. For 고품질 텍스트 생성, Claude Opus 4.6; for coding, Claude Sonnet 4.6; for cost-effectiveness, DeepSeek V3; for fast responses, Llama models via Groq 권장됩니다.
관련 도구
Groq
A cloud platform achieving the world's fastest AI inference with proprietary LPU chips. Run 오픈소스 models like Llama, Mistral, and Gemma at ultra-high speed.
Together AI
A high-speed inference and 파인튜닝 platform for 오픈소스 AI 모델s. Access Llama, Mistral, SDXL, and more at low cost.
Vercel AI SDK
Vercel's 오픈소스 AI development kit. Easily build AI applications with React/Next.js. Streaming UI, multi-model support.