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, pdf, text
Capability Radar
39
general
55
coding
90
reasoning
66
scienceest.
60
agents
85
multimodal
Science uses a reasoning proxy when dedicated science benchmarks are unavailable.
Rankings
| Domain | #Rank | Score | Source |
|---|---|---|---|
| Agentic Capability | 32 | 61.0 | LS |
| Code Ranking | 32 | 80.0 | AA |
| General Ranking | 28 | 79.0 | AA |
| Science | 18 | 83.0 | AA |
Benchmark Scores (LLM Stats)
Agents
Terminal-Bench 2.0
64.0%SR
SWE-Bench Pro
56.4%SR
General
LiveBench
74.3%SR
AA Evaluation Indices
Intelligence Index40.1
Tau20.9
Gpqa0.9
Ifbench0.8
Lcr0.8
Scicode0.5
Terminalbench Hard0.4
Hle0.3
LLM Stats Category Scores
Math70
General70
Reasoning60
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/sec149.9
Time to First Token1.89s
Time to Answer1.89s
Provider Price Ranking
Provider Price Ranking
21 providers
Cheapest: OpenAIMost Expensive: Venice AI
ProviderInputOutput
1OpenAICheapest
$0
$0.00001
2QiHang
$0.14
$1.14
3Poe
$1.6
$13
4NanoGPT
$1.75
$14
5Abacus
$1.75
$14
6OpenRouter
$1.75
$14
7Jiekou.AI
$1.75
$14
8ZenMux
$1.75
$14
9Vivgrid
$1.75
$14
10Kilo Gateway
$1.75
$14
11Cloudflare AI Gateway
$1.75
$14
12GitHub Copilot
$1.75
$14
13OpenCode Zen
$1.75
$14
14AIHubMix
$1.75
$14
15Azure Cognitive Services
$1.75
$14
16Requesty
$1.75
$14
17Vercel AI Gateway
$1.75
$14
18LLM Gateway
$1.75
$14
19Azure
$1.75
$14
20OrcaRouter
$1.75
$14
21Venice AI
$2.19
$17.5
Compare pricing across different API providers for this model.