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GPT-5.1-Codex mini

Coding-optimized GPT model for repository edits, reviews, and agentic software work

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GPT-5.1-Codex mini FAQ

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RetiredOPOpenAI/ GPT

GPT-5.1-Codex mini

openai/gpt-5.1-codex-mini

Coding-optimized GPT model for repository edits, reviews, and agentic software work

Model family

GPT

-

Focus areas

ReasoningGenerative AI

Core specifications

Released
2025-11-13
Context window
400K
Max output
128K
Weights
Closed

Modalities

Input
ImageText
Output
Text

Identity

Version
gpt-5.1-codex-mini
Knowledge cutoff
2024-09-30
Aliases
GPT-5.1 Codex mini

Capabilities

AttachmentsReasoningStructuredTool call

Capabilities and fit

Model summary

Coding-optimized GPT model for repository edits, reviews, and agentic software work

Text
AttachmentsReasoningStructuredTool call
Output
Text
Capabilities
4
Catalog updated
2026-08-06T01:13:09.696Z
Status
Retired

Provider coverage

ProviderInputOutputPricing
Poe
Pricing unavailable
NanoGPT
Pricing unavailable
LLM Gateway
Pricing unavailable
OpenCode Zen
Pricing unavailable
Helicone
Pricing unavailable
Neon
Pricing unavailable
ZenMux
Pricing unavailable
Azure Cognitive Services
Pricing unavailable
Azure
Pricing unavailable
AIHubMix
Pricing unavailable
OrcaRouter
Pricing unavailable
Requesty
Pricing unavailable
Kilo Gateway
Pricing unavailable
Vercel AI Gateway
Pricing unavailable
OpenRouter
Pricing unavailable
Jiekou.AI
Pricing unavailable
OpenAI
GPT-5.1 Codex mini
Pricing unavailable

FAQ