GPT-5.2-Codex

Codex / OpenAI

16scores
16benchmarks
$1.75 / $14 per 1M tokenscost in/out

Metadata

Codex Closed/API

Aliases: gpt-5.2-codex, gpt-5.2-codex-20260114, openai-gpt-5.2-codex, openai-gpt-5.2-codex-20260114, openai/gpt-5.2-codex, openai/gpt-5.2-codex-20260114

Benchmark Results

Benchmark Category Rank Score Sampled
APEX-Agents Agentic 9 42.20 2026-05-06
Gert Labs Rankings Agentic 16 0.54 2026-05-11
Tau2-Bench Telecom Agentic 46 92.1% 2026-05-11
Terminal-Bench Hard Agentic 50 37.1% 2026-05-11
ALE-Bench Coding 9 1299.90 2026-05-06
Arena AI Code Coding 50 1335 2026-05-06
LiveCodeBench Coding 2 87.993% 2026-05-28
SciCode Coding 6 54.6% 2026-05-11
SWE-bench Verified Coding 24 72.4% 2026-05-28
Vibe Code Bench v1.1 Coding 13 37.912% 2026-05-28
BenchLM General Knowledge 24 77 2026-05-06
Artificial Analysis Intelligence Index Intelligence 27 49.03 2026-05-11
Humanity's Last Exam Intelligence 18 33.5% 2026-05-11
LiveBench Intelligence 15 74.33 2026-05-05
GPQA Diamond Reasoning 15 89.9% 2026-05-11
CritPt Science 19 8.7% 2026-05-11