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OpenAI: GPT-5.1-Codex-Mini

openai/gpt-5.1-codex-mini

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GPT-5.1-Codex-Mini is a smaller and faster version of GPT-5.1-Codex

Modalities

Input Price

$0.25per 1M

Output Price

$2per 1M

Context

400K

Weekly Tokens

5.4B

Released

Nov 13, 2025

Overview
Playground
Providers
Performance
Pricing
Benchmarks
Apps
Activity
Uptime
API

Performance for GPT-5.1-Codex-Mini

Compare different providers across OpenRouter

Effective Pricing for GPT-5.1-Codex-Mini

Actual cost per million tokens across providers over the past hour

Apps using GPT-5.1-Codex-Mini

Top public apps this month

Recent activity on GPT-5.1-Codex-Mini

Total usage per day on OpenRouter

Not enough data to display yet.

Uptime stats for GPT-5.1-Codex-Mini

Uptime stats for GPT-5.1-Codex-Mini across all providers

Providers for GPT-5.1-Codex-Mini

OpenRouter routes requests to the best providers that are able to handle your prompt size and parameters, with fallbacks to maximize uptime.

Sample code and API for GPT-5.1-Codex-Mini

OpenRouter normalizes requests and responses across providers for you.

OpenRouter provides an OpenAI-compatible completion API to 400+ 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.