GPT-5.2 Codex (xhigh)

deprecated by benchmark source

OpenAI · released 2025-12-11 · 1 offers

Context 400K tokens

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#	Provider	Platform	Raw input $/1M	Raw output $/1M	Adjusted $/task
1	Azure AI Foundry	Azure AI Foundry	$1.75	$14.00

3 of 7 inputs · 2 from the model family6 radar axes: DesignArena's two boards share one

50.0

AA Coding —Coding Agent v1.4 —AA Intelligence 28.5AA Agentic —Epoch ECI —Software ECI —DesignArena 1066/1002

Radar: percentile among all models measured on each input; a gap means not measured.

11 of 140 registered benchmark versions · bars show the percentile among all models measured on each benchmark.

Composite attachments (used in the score, not counted as exact benchmarks):

Terminal-Bench Hard (AA)8437.1%2026-09-10
Terminal-Bench Hard (AA) pinned revision 74221fb ↗ · Published board — Tests a pinned 44-task hard subset of terminal-based work using Terminus 2.

IFBench (AA single-turn)9677.6%2026-09-10
IFBench (AA single-turn) published 2026-09-10 ↗ · Published board — Tests precise single-turn instructions with deterministic rule checks.

Humanity's Last Exam (AA text-only)8735.7%2026-09-10
Humanity's Last Exam (AA text-only) published 2026-09-10 ↗ · Published board — Tests expert-level knowledge on AA's text-only Humanity's Last Exam subset.
AA-Omniscience Index79-2.172026-09-10
AA-Omniscience Index published 2026-09-10 ↗ · Published board — Tests factual reliability while rewarding correct answers and penalizing hallucinations.

AA-LCR v1.19682.3%2026-09-10
AA-LCR v1.1 v1.1 ↗ · Published board — Tests reasoning across multiple long documents with corrected answer keys and grading.

AA Intelligence Index8628.52026-09-19
AA Intelligence Index published 2026-09-19 ↗ · Published board — Artificial Analysis publishes this board without a version number; we keep the date each result was retained.

BullshitBench V1 (clear pushback)4925.4%2026-09-15
BullshitBench V1 (clear pushback) published 2026-09-10 ↗ · Published board — Whether a model rejects the broken premise of 55 deliberately nonsensical prompts (V1 question set) instead of answering them confidently.
BullshitBench V2 (clear pushback)5139.0%2026-09-15
BullshitBench V2 (clear pushback) published 2026-09-10 ↗ · Published board — Whether a model rejects the broken premise of 100 deliberately nonsensical prompts (V2 question set) instead of answering them confidently.

CritPt (AA)848.7%2026-09-10
CritPt (AA) published 2026-09-10 ↗ · Published board — Tests research-level physics reasoning with Python, symbolic and numerical answers.
GPQA Diamond (AA)8989.9%2026-09-10
GPQA Diamond (AA) published 2026-09-10 ↗ · Published board — Tests graduate-level biology, physics and chemistry knowledge on the Diamond subset.

τ²-Bench Telecom (AA)8792.1%2026-09-10
τ²-Bench Telecom (AA) published 2026-09-10 ↗ · Published board — Tests dual-control telecom agents that coordinate tool use with a simulated user.

MMMU Pro (AA)7576.3%2026-09-10
MMMU Pro (AA) published 2026-09-10 ↗ · Published board — Tests multimodal understanding using challenging ten-option questions.

Missing coverage · 133 benchmark versions

No result does not mean a zero, or that the model was never tested. Collection failures and disputed versions retain their distinct status.

Artificial Analysis snapshot 2026-09-19 · Data: Artificial Analysis · Data: Epoch AI (CC BY)

Variant	AA Coding	AA Intelligence
GPT-5.2 Codex (xhigh)	—	28.5
OpenAI: GPT-5.2-Codex	—	—

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