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GPT-5.2 Codex

OpenAI

Official information

Release date
Dec 18, 2025
Official model ID
gpt-5.2-codex
Vendor source
GPT-5.2 Codex
Identity verified
Aug 13, 2026

API pricing

Verification
Reverification required
Verified at
Aug 13, 2026, 08:00:00 GMT+8
Value benchmark tier
—
—

Rankings by category

Overall

#34Medium 0.56
38.0
Overall — Source breakdown
SourcePercentileRaw scoreConfig folding
LiveBench38.074.0Single config

Coding

#24Medium 0.68
47.6
Coding — Source breakdown
SourcePercentileRaw scoreConfig folding
LiveBench57.663.1Single config
SWE-bench Verified37.572.8Single config

Cross-source percentile spread 20.1

Reasoning

#48Medium 0.56
25.0
Reasoning — Source breakdown
SourcePercentileRaw scoreConfig folding
LiveBench25.083.2Single config

Aliases & configurations

  • gpt-5-2-codex

Methodology & data sources