GPT-5.2 Codex (xhigh)
Unknown SizeBy OpenAI • Released 2025-12-11
Capability Radar
Avg Score
61
Across all benchmarks
Participated
9
Benchmarks
Benchmark Performance
| Benchmark | Category | Score |
|---|---|---|
| 𝜏²-Bench Telecom | Reasoning Knowledge | 92.1 |
| GPQA Diamond | Knowledge | 89.9 |
| IFBench | Agent | 77.6 |
| LCR | Long-Context Reasoning | 75.7 |
| SciCode | Reasoning Knowledge | 54.6 |
| Artificial Analysis Intelligence Index | Knowledge | 49 |
| Artificial Analysis Coding Index | Coding | 43 |
| Terminal-Bench Hard | Agent Coding | 37.1 |
| HLE | Knowledge Multi-Modal | 33.5 |