GPT-5.2 Codex (xhigh)
OpenAIGPTProprietary
Description
GPT-5.2 Codex is a version of GPT-5.2 optimized for agentic coding tasks in Codex or similar environments. It features higher reasoning capabilities and is available in the Responses API. The underlying model snapshot is regularly updated.
Release Date
2025-12-11
Parameters
—
Context Length
400K
Modalities
image, text
Capability Radar
30
general
60
coding
90
reasoning
73
science
60
agents
85
multimodal
Rankings
| Domain | #Rank | Score | Source |
|---|---|---|---|
| Code Ranking | 146 | 75.0 | AA |
| General Ranking | 73 | 70.0 | AA |
| Math Reasoning | 33 | 89.0 | LB |
| Reasoning | 47 | 78.0 | LB |
| Science | 97 | 75.0 | AA |
Benchmark Scores (LLM Stats)
(LLM Stats (zeroeval))Math
LiveBench
74.3%
Reasoning
Terminal-Bench 2.0Stanford × Laude Institute (2026)
64.0%SR
SWE-Bench ProPrinceton NLP (2024)
56.4%SR
AA Evaluation Indices
(Artificial Analysis)Tau2(Sierra + U Toronto + Vector Institute (2025))92.1
Gpqa(NYU + Cohere + Anthropic (2023))89.9
Lcr(Artificial Analysis)82.3
Ifbench(Google Research (2023))77.6
Terminalbench Hard(Stanford × Laude Institute (2026))37.1
Hle(Center for AI Safety + Scale AI (2025))35.7
Intelligence Index(Artificial Analysis)28.5
LLM Stats Category Scores
(LLM Stats (zeroeval))Math70
Reasoning60
General60
Agents60
Code60
Tool Calling60
Pricing
Input Price$1.75 / 1M tokens
Output Price$14 / 1M tokens
Blended Price (3:1)$4.813 / 1M tokens
Cache Read Price$0.175 / 1M tokens
Speed
Tokens/sec0.0
Time to First Token0.00s
Time to Answer0.00s
Provider Price Ranking
Provider Price Ranking
10 providers
Cheapest: OpenAIMost Expensive: Impossibl
ProviderInputOutput
1OpenAICheapest
$0
$0.00001
2Ofox
$1.4
$11.2
3Poe
$1.6
$13
4NanoGPT
$1.75
$14
5OpenRouter
$1.75
$14
6ZenMux
$1.75
$14
7Kilo Gateway
$1.75
$14
8Vercel AI Gateway
$1.75
$14
9OrcaRouter
$1.75
$14
10Impossibl
$1.75
$14
Compare pricing across different API providers for this model.