GPT-5.1-Codex-Mini

Name: GPT-5.1-Codex-Mini
Brand: OpenAI
Price: 0.25 USD

by OpenAI

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

Chat with GPT-5.1-Codex-Mini

Input Price$0.25/1M tokens

Output Price$2.00/1M tokens

Intelligence38.5

Coding36.4

Specifications

Technical details and pricing.

ProviderOpenAI

Context Window400,000 tokens

Release DateNov 13, 2025

ModalitiesImage, Text → Text

CapabilitiesVision

Benchmarks

10 benchmark scores from Artificial Analysis.

GPQA81.3%

MMLU Pro82.0%

HLE16.9%

LiveCodeBench83.6%

AIME 202591.7%

SciCode42.6%

LCR62.7%

IFBench67.9%

Tau262.9%

TerminalBench Hard33.3%

Composite Indices

Intelligence, Coding, Math

Standard Benchmarks

Academic and industry benchmarks

Frequently Asked Questions

What is GPT-5.1-Codex-Mini good for?

Use GPT-5.1-Codex-Mini for everyday tasks like writing, summarizing, brainstorming, and getting clear explanations.

How much does GPT-5.1-Codex-Mini cost?

Pricing is based on usage. Current rates are $0.25/1M tokens for input and $2.00/1M tokens for output.

Can I try GPT-5.1-Codex-Mini for free?

Yes. You can start a chat instantly and test the model before deciding on a plan.

Does GPT-5.1-Codex-Mini support images or audio?

GPT-5.1-Codex-Mini can understand images.

Similar Models

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GPT-5.1-Codex

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GPT-5.1-Codex-Max

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GPT-5.1-Codex-Max is OpenAI’s latest agentic coding model, designed for long-running, high-context software development tasks.

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GPT-5 Mini

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GPT-5 Mini is a compact version of GPT-5, designed to handle lighter-weight reasoning tasks.

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Benchmarks and pricing are sourced from Artificial Analysis where available. OpenRouter specs are used as a fallback.