gpt-5.1-codex-mini

Common Name: GPT-5.1 Codex mini

OpenAI

Released on Nov 13, 2025 12:00 AMKnowledge Cutoff Sep 30, 2024 12:00 AMSupportedTool InvocationSupportedReasoning

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GPT-5.1 Codex mini is a smaller, more cost-effective, less-capable version of GPT-5.1-Codex.

Specifications

Context

400K

Maximum Output

128K

Inputtext, image

Outputtext

Performance (7-day Average)

Collecting…

Pricing

Input$0.275/MTokens

Output$2.20/MTokens

Cached Input$0.0275/MTokens

Availability Trend (24h)

Performance Metrics (24h)

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