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Auto Router

openrouter/auto

Released Nov 8, 20232,000,000 contextPricing varied

Your prompt will be processed by a meta-model and routed to one of dozens of models (see below), optimizing for the best possible output.

To see which model was used, visit Activity, or read the model attribute of the response. Your response will be priced at the same rate as the routed model.

Learn more, including how to customize the models for routing, in our docs.

Requests will be routed to the following models:

  • anthropic/claude-haiku-4.5
  • anthropic/claude-opus-4.6
  • anthropic/claude-sonnet-4.5
  • anthropic/claude-sonnet-4.6
  • deepseek/deepseek-r1
  • google/gemini-2.5-flash-lite
  • google/gemini-3-flash-preview
  • google/gemini-3-pro-preview
  • google/gemini-3.1-pro-preview
  • meta-llama/llama-3.3-70b-instruct
  • minimax/minimax-m2.5
  • mistralai/codestral-2508
  • mistralai/mistral-7b-instruct-v0.1
  • mistralai/mistral-large
  • mistralai/mistral-medium-3.1
  • mistralai/mistral-small-3.2-24b-instruct-2506
  • moonshotai/kimi-k2-thinking
  • openai/gpt-5
  • openai/gpt-5-mini
  • openai/gpt-5-nano
  • openai/gpt-5.1
  • openai/gpt-5.2
  • openai/gpt-5.2-pro
  • openai/gpt-5.3-chat
  • openai/gpt-oss-120b
  • perplexity/sonar
  • qwen/qwen3-235b-a22b
  • x-ai/grok-3
  • x-ai/grok-3-mini
  • x-ai/grok-4
  • x-ai/grok-4.1-fast
  • z-ai/glm-5

Recent activity on Auto Router

Token usage breakdown by model

1.
Gemini 2.5 Flash Lite
by google
3.3B
36.3%
2.
Claude Opus 4.6
by anthropic
1.42B
15.6%
3.
gpt-oss-120b
by openai
1.02B
11.3%
4.
GPT-5 Nano
by openai
780M
8.6%
5.
Grok 4.1 Fast
by x-ai
520M
5.7%