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Auto Router

openrouter/auto

Created Nov 8, 20232,000,000 context
$0/M input tokens$0/M output tokens
Pricing 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:

  • openai/gpt-5.1
  • openai/gpt-5
  • openai/gpt-5-mini
  • openai/gpt-5-nano
  • openai/gpt-4.1
  • openai/gpt-4.1-mini
  • openai/gpt-4.1-nano
  • openai/gpt-4o
  • openai/gpt-4o-2024-05-13
  • openai/gpt-4o-2024-08-06
  • openai/gpt-4o-2024-11-20
  • openai/gpt-4o-mini
  • openai/gpt-4o-mini-2024-07-18
  • openai/gpt-4-turbo
  • openai/gpt-4-turbo-preview
  • openai/gpt-4-1106-preview
  • openai/gpt-4
  • openai/gpt-3.5-turbo
  • openai/gpt-oss-120b
  • anthropic/claude-opus-4.5
  • anthropic/claude-opus-4.1
  • anthropic/claude-opus-4
  • anthropic/claude-sonnet-4.5
  • anthropic/claude-sonnet-4
  • anthropic/claude-3.7-sonnet
  • anthropic/claude-haiku-4.5
  • anthropic/claude-3.5-haiku
  • anthropic/claude-3-haiku
  • google/gemini-3-pro-preview
  • google/gemini-2.5-pro
  • google/gemini-2.0-flash-001
  • google/gemini-2.5-flash
  • mistralai/mistral-large
  • mistralai/mistral-large-2407
  • mistralai/mistral-large-2411
  • mistralai/mistral-medium-3.1
  • mistralai/mistral-nemo
  • mistralai/mistral-7b-instruct
  • mistralai/mixtral-8x7b-instruct
  • mistralai/mixtral-8x22b-instruct
  • mistralai/codestral-2508
  • x-ai/grok-4
  • x-ai/grok-3
  • x-ai/grok-3-mini
  • deepseek/deepseek-r1
  • meta-llama/llama-3.3-70b-instruct
  • meta-llama/llama-3.1-405b-instruct
  • meta-llama/llama-3.1-70b-instruct
  • meta-llama/llama-3.1-8b-instruct
  • meta-llama/llama-3-70b-instruct
  • meta-llama/llama-3-8b-instruct
  • qwen/qwen3-235b-a22b
  • qwen/qwen3-32b
  • qwen/qwen3-14b
  • cohere/command-r-plus-08-2024
  • cohere/command-r-08-2024
  • moonshotai/kimi-k2-thinking
  • perplexity/sonar

Recent activity on Auto Router

Token usage breakdown by model

1.
GPT-5 Mini
by openai
12.4M
52.6%
2.
Claude Opus 4.5
by anthropic
4.89M
20.7%
3.
GPT-5 Nano
by openai
2.74M
11.6%
4.
Mistral Nemo
by mistralai
1.89M
8.0%
5.
Gemini 3 Pro Preview
by google
571K
2.4%