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GPT-5.2-Codex pricing & benchmarks

GPT-5.2-Codex is available from OpenAI at $1.75 per million input tokens and $14.00 per million output tokens ($4.81 blended at 3:1). It accepts up to 400,000 tokens of context. 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....

Pricing

Per million tokens · OpenRouter

Input$1.75

Output$14.00

Blended (3:1)$4.81

Specification

openai/gpt-5.2-codex

Context window400K

Max output128K

ReleasedJan 2026

LicenceProprietary

Modalitiesin:text, in:image, out:text

No independently-run benchmark scores are published for GPT-5.2-Codex yet. We show nothing rather than reprinting an unverified figure.

Compare GPT-5.2-Codex

GPT-5.2-Codex vs Qwen3.8 Max GPT-5.2-Codex vs DeepSeek V4 Flash 0731 GPT-5.2-Codex vs Claude Opus 5 GPT-5.2-Codex vs Gemini 3.6 Flash GPT-5.2-Codex vs Kimi K3 GPT-5.2-Codex vs Grok 4.5 GPT-5.2-Codex vs Claude Sonnet 5 GPT-5.2-Codex vs GLM 5.2

FAQ

How much does GPT-5.2-Codex cost?

GPT-5.2-Codex costs $1.75 per million input tokens and $14.00 per million output tokens on OpenRouter. At a 3:1 input:output mix that blends to $4.81 per million tokens.

What is GPT-5.2-Codex's context window?

GPT-5.2-Codex accepts up to 400,000 tokens of context, and can generate up to 128,000 output tokens.