OpenRouter

7 models

A unified API that routes to hundreds of models from many providers behind a single OpenAI-compatible endpoint. Model ids are namespaced as 'vendor/model'.

Homepage Docs

API basehttps://openrouter.ai/api/v1

Env keyOPENROUTER_API_KEY

GPT-4o (OpenAI)

openai/gpt-4o

Context

128K

Max output

16K

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Claude 3.5 Sonnet (Anthropic)

anthropic/claude-3.5-sonnet

Context

200K

Max output

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Gemini 2.5 Pro (Google)

google/gemini-2.5-pro

Context

1,049K

Max output

66K

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Llama 3.1 405B Instruct (Meta)

meta-llama/llama-3.1-405b-instruct

Context

131K

Max output

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DeepSeek R1

deepseek/deepseek-r1

Context

66K

Max output

—

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Mistral Large

mistralai/mistral-large

Context

131K

Max output

—

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Grok 2 (xAI)

x-ai/grok-2

Context

131K

Max output

—

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