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Model · Artificial Analysis

OpenAI/GPT-5.2 Codex (Xhigh)

Benchmark data by Artificial Analysis.

Author / organizationOpenAI
AccessHosted API (no weights listed here)
Price per million tokens$1.75 in · $14 out
Intelligence Index28.5
Tasktext-generation
Created11 December 2025
Last updated at source—
hostedtext-generation
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Popularity, last 2 days

2,850 now. Counts as reported by the source, snapshotted daily by Silytics.

Reported results

DatasetMetricValue
Artificial AnalysisGPQA0.899
Artificial AnalysisHumanity's Last Exam0.357
Artificial AnalysisIntelligence Index28.5
Artificial Analysisifbench0.7762
Artificial Analysislcr0.8233
Artificial Analysistau20.9211
Artificial Analysisterminalbench hard0.3712

Reported by the model's authors in the model card. Not independently verified, and setups differ between authors, so scores from different models are not always comparable. Each value links to its source.

Price and speed history

USD per million tokens

0510152010-1510-16Input · 10-15: 1.75Input · 10-16: 1.75Output · 10-15: 14Output · 10-16: 14
InputOutput

Output speed (tokens per second)

00.30.50.8110-1510-16Speed · 10-15: 0Speed · 10-16: 0

More from OpenAI

Silytics shows public metadata from Artificial Analysis and links to the original. Information may be incomplete or out of date. Last refreshed 16 October 2026. Licenses and terms of the original apply to the work itself. Not financial, legal or professional advice.