OpenAI

GPT-5.2 Codex

Code-specialist GPT for repository edits, reviews, and long-running software agents

openai/gpt-5.2-codex

Context

400K

Output

128K

Released

2025-12-11

Knowledge cutoff

2025-08-31

Types

InputTextImagePDF
OutputText

Reasoning

Supported

Tool use

Supported

Structured output

Supported

Attachments

Supported

Open weights

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Provider pricing

Poe
InTextImage
OutText
Price
$1.60 / $13.00
Context
400K
Status
Stable
Impossibl
InTextImagePDF
OutText
Price
$1.75 / $14.00
Context
400K
Status
Stable
Kilo Gateway
InTextImagePDF
OutText
Price
$1.75 / $14.00
Context
400K
Status
Stable
NanoGPT
InTextImagePDF
OutText
Price
$1.75 / $14.00
Context
400K
Status
Stable
Ofox
InTextImagePDF
OutText
Price
$1.75 / $14.00
Context
400K
Status
Stable
OpenRouter
InTextImage
OutText
Price
$1.75 / $14.00
Context
400K
Status
Stable
OrcaRouter
InTextImagePDF
OutText
Price
$1.75 / $14.00
Context
400K
Status
Stable
Vercel AI Gateway
InTextImagePDF
OutText
Price
$1.75 / $14.00
Context
400K
Status
Stable
ZenMux
InTextImagePDF
OutText
Price
$1.75 / $14.00
Context
400K
Status
Stable

Benchmarks

  • SWE-Bench Pro

    41.04 · resolve rate

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