GPT-5.2 Codex
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
- Value benchmark tier
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Rankings by category
Overall
#30Medium 0.5740.2
| Source | Percentile | Raw score | Config folding |
|---|---|---|---|
| LiveBench | 40.2 | 74.0 | Single config |
Coding
#34Medium 0.6833.6
| Source | Percentile | Raw score | Config folding |
|---|---|---|---|
| LiveBench | 62.2 | 63.1 | Single config |
| LMArena | 1.1 | 1338.7 | Single config |
| SWE-bench Verified | 37.5 | 72.8 | Single config |
Cross-source percentile spread 61.1
Reasoning
#39Medium 0.5725.6
| Source | Percentile | Raw score | Config folding |
|---|---|---|---|
| LiveBench | 25.6 | 83.2 | Single config |
Aliases & configurations
- gpt-5-2-codex