OpenAI: GPT-5.2-Codex Pricing & Specs

Released: 2025-12-11
OpenRouter Model IDopenai/gpt-5.2-codex

OpenAI: GPT-5.2-Codex is an API-access large language model from Openai priced at $1.75/1M input tokens and $14.00/1M output tokens with a 400k context window. Context caching reduces input costs to $0.88/1M for cache reads. Supported capabilities include reasoning and tool calling.

Economics (OpenRouter)

Input / 1M
$1.75
Output / 1M
$14.00
Est. Monthly Cost
$194.78
Based on current usage settings
Cache Read$0.88
Cache Write$2.19

Capabilities (models.dev)

ReasoningSupported
Tool CallSupported
Audio InNo
Audio OutNo
Modalitymultimodal
Context Window400k

Benchmarks (AA)

Intelligence Index
General reasoning and knowledge
Coding Index
Code generation & debugging
Math Index
Mathematical reasoning
Performance
tokens/sec

* Median output throughput

Model ID: openai/gpt-5.2-codex • Data Sources: OpenRouter, Artificial Analysis, models.dev