AI Observatory / Model Radar
OpenAI / openai/gpt-5.2-codex
OpenAI: GPT-5.2-Codex
GPT-5.2-Codex is an upgraded version of GPT-5.1-Codex optimized for software engineering and coding workflows. It is designed for both interactive development sessions and long, independent execution of complex engineering tasks....
400,000
Context
128,000
Max output
$1.75 / 1M
Prompt price
2026-01-14
Created
01 / Snapshot
Pricing, context, modalities, and parameters.
Model Radar detail pages stay neutral and operator-readable: core metadata first, then workflow fit.
| Provider | OpenAI | Input modalities | text, image |
|---|---|---|---|
| Output modalities | text | Prompt price | $1.75 / 1M |
| Completion price | $14.00 / 1M | Request price | N/A |
| Context length | 400,000 | Max completion tokens | 128,000 |
| Supported parameters | include_reasoning, max_completion_tokens, max_tokens, reasoning, response_format, seed, structured_outputs, tool_choice, tools | ||
Best for
openai/gpt-5.2-codex
OpenAI: GPT-5.2-Codex
GPT-5.2-Codex is an upgraded version of GPT-5.1-Codex optimized for software engineering and coding workflows. It is designed for both interactive development sessions and long, independent execution of complex engineering tasks....
Coding workflows
Cross-modal work
Long context
new
vision
tool-capable
long-context
03 / Colophon
Routes and exits.
Each model page stays simple: overview, compare, related models, then back to the public hub.