GPT-5.2-Codex

Name: GPT-5.2-Codex
Price: 1.25 USD
Availability: InStock
Author: OpenAI

Coding modelCodexGPT-5.2

GPT-5.2-Codex

Release date: 2025-12-18Updated: 2026-06-14 23:13:17.610686

Live demoGitHubHugging FaceCompare

Parameters

Not disclosed

Context length

No data

Chinese support

Not supported

Reasoning ability

GPT-5.2-Codex is an AI model published by OpenAI, released on 2025-12-18, for Coding model, with a 74.30 score on LiveBench.

Data sourced primarily from official releases (GitHub, Hugging Face, papers), then benchmark leaderboards, then third-party evaluators. Learn about our data methodology

GPT-5.2-Codex

Model basics

Reasoning traces

Supported

Thinking modes

Thinking Level · Medium (Default)Thinking Level · LowThinking Level · HighThinking Level · Extra-High

Context length

No data

Max output length

No data

Model type

Coding model

Modality (in / out)

Text, Image → Text

Release date

2025-12-18

Model file size

No data

MoE architecture

Total params / Active params

No data / N/A

Knowledge cutoff

No data

GPT-5.2-Codex

Open source & experience

Code license

Proprietary

Weights license

Proprietary

GitHub repo

GitHub link unavailable

Hugging Face

Hugging Face link unavailable

Live demo

No live demo

GPT-5.2-Codex

Official resources

Paper

DataLearnerAI blog

No blog post yet

GPT-5.2-Codex

API details

API speed

3/5

💡Default unit: $/1M tokens. If vendors use other units, follow their published pricing.

Learn about pricing modes

Standard

Type	Condition	Input	Output
Text	-	$1.25/ 1M	$10.00/ 1M

Cache PricingPrompt Cache

Type	TTL	Write	Read
Text	-	$0.0000/ 1M	$0.125/ 1M

GPT-5.2-Codex

Benchmark Results

GPT-5.2-Codex currently shows benchmark results led by LiveBench (20 / 115, score 74.30). This page also consolidates core specs, context limits, and API pricing so you can evaluate the model from benchmark results and deployment constraints together.