GPT-5.1 Chat
by OpenAI 路 Released 2025-11-13
43.4
avg score
$1.25/1M
Input Price
$10.00/1M
Output Price
128K tokens (~64 books)
Context Window
multimodal
Type
Tested on 16 benchmarks with 43.4% average. Top scores: OTIS Mock AIME 2024-2025 (88.6%), GPQA diamond (83.5%), ARC-AGI (72.8%).
Benchmark Scores
| Benchmark | Category | Score | Bar |
|---|---|---|---|
| OTIS Mock AIME 2024-2025 | math | 88.6 | |
| GPQA diamond | knowledge | 83.5 | |
| ARC-AGI | reasoning | 72.8 | |
| SWE-Bench Verified (Bash Only) | coding | 66.0 | |
| WeirdML | coding | 60.8 | |
| SimpleQA Verified | knowledge | 48.9 | |
| Terminal Bench | coding | 47.6 | |
| SimpleBench | reasoning | 43.8 | |
| VPCT | knowledge | 38.0 | |
| Chess Puzzles | knowledge | 32.0 | |
| FrontierMath-2025-02-28-Private | math | 31.0 | |
| HLE | knowledge | 19.8 | |
| ARC-AGI-2 | reasoning | 17.6 | |
| APEX-Agents | agentic | 17.5 | |
| GSO-Bench | coding | 13.7 | |
| FrontierMath-Tier-4-2025-07-01-Private | math | 12.5 |