GPT 5.2 Codex
Chat
Deprecated
by OpenAI
This model has been deprecated by OpenAI and is no longer available for use. Please explore other available models below.
Overview
GPT-5.2 Codex is OpenAI's dedicated coding model built on the GPT-5.2 architecture. Optimized for software engineering tasks with strong agentic coding capabilities and expanded context window support.
Key Features
- Dedicated coding model built on GPT-5.2 architecture for software engineering tasks.
- 400,000-token context window with 128,000 max output tokens and reasoning token support.
- Optimized for agentic coding workflows including code generation, debugging, and refactoring.
- Supports function calling, structured outputs, and streaming for developer integration.
- Pricing is $1.75 per 1M input tokens and $14 per 1M output tokens (cached input at $0.175).
Input Capabilities
Text
Image
Document
Technical Specifications
Context Window
400,000
Max Output
128,000
Streaming
Supported
Model Information
Provider: OpenAI
Model Code: gpt-5.2-codex
Category: Chat
File Support
Max Files
20
Max Size
50MB
Supported Formats
.png
.jpg
.jpeg
.webp
.gif
.pdf
+24 more
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