Auto Router

openrouter/auto

Released 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:

Auto Router

openrouter/auto

Released 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:

Recent activity on Auto Router

Token usage breakdown by model

1.

Gemini 2.5 Flash Lite

by google

7.96B

54.6%

2.

GPT-5 Nano

by openai

2.17B

14.8%

3.

gpt-oss-120b

by openai

1.84B

12.6%

4.

Claude Opus 4.6

by anthropic

871M

6.0%

5.

MiniMax M2.5

by minimax

371M

2.5%

Sample code and API for Auto Router

OpenRouter normalizes requests and responses across providers for you.

OpenRouter provides an OpenAI-compatible completion API to 300+ models & providers that you can call directly, or using the OpenAI SDK. Additionally, some third-party SDKs are available.

In the examples below, the OpenRouter-specific headers are optional. Setting them allows your app to appear on the OpenRouter leaderboards.

Using third-party SDKs

For information about using third-party SDKs and frameworks with OpenRouter, please see our frameworks documentation.

See the Request docs for all possible fields, and Parameters for explanations of specific sampling parameters.

Recent activity on Auto Router

Token usage breakdown by model

1.

Gemini 2.5 Flash Lite

by google

7.96B

54.6%

2.

GPT-5 Nano

by openai

2.17B

14.8%

3.

gpt-oss-120b

by openai

1.84B

12.6%

4.

Claude Opus 4.6

by anthropic

871M

6.0%

5.

MiniMax M2.5

by minimax

371M

2.5%

Sample code and API for Auto Router

OpenRouter normalizes requests and responses across providers for you.

OpenRouter provides an OpenAI-compatible completion API to 300+ models & providers that you can call directly, or using the OpenAI SDK. Additionally, some third-party SDKs are available.

In the examples below, the OpenRouter-specific headers are optional. Setting them allows your app to appear on the OpenRouter leaderboards.

Using third-party SDKs

For information about using third-party SDKs and frameworks with OpenRouter, please see our frameworks documentation.

See the Request docs for all possible fields, and Parameters for explanations of specific sampling parameters.