GPT-5.1 Medium
| Released | 2025-11-13 |
|---|---|
| Price per 1M | $1.25 in · $10.00 out |
| Overall score | 51.2 · rank 250 |
| Context window | 400,000 tokens |
| Provider | OpenAI |
| Weights | Proprietary |
| Configuration | Medium |
Scores
| Dimension | Score | Rank | Benchmarks |
|---|---|---|---|
| Overall: Balanced | 51.2 | 250 | 10 |
| Overall: Coding | 48.9 | 276 | 6 |
| Overall: Reasoning | 52.7 | 226 | 7 |
| Overall: Agentic work | 51.4 | 256 | 5 |
| Overall: Frontend | 44.6 | 303 | 2 |
| Agents | 51.2 | 192 | 1 |
| Reasoning | 52.4 | 230 | 4 |
| Math | 53.0 | 145 | 3 |
| Frontend | 43.4 | 162 | 1 |
| Multimodal | 52.1 | 102 | 1 |
| Value vs price | −2.5 | 276 |
Evidence
Agents 51.2 ±2.5
| Benchmark | Result | Source | Date |
|---|---|---|---|
| Terminal-Bench 2.0 | 47.6% | Epoch AI | 2025-11-16 |
Reasoning 52.4 ±2.3
| Benchmark | Result | Source | Date |
|---|---|---|---|
| GPQA Diamond | 85.0% | Epoch AI | 2025-11-17 |
| ARC-AGI-2 | 6.5% | Epoch AI | 2026-11-11 |
| ARC-AGI-1 (ARC Prize verified) | 57.7% | ARC Prize | 2026-11-11 |
| ARC-AGI-1 | 57.7% | Epoch AI | 2026-11-11 |
| ARC-AGI-2 (ARC Prize verified) | 6.5% | ARC Prize | 2026-11-11 |
| Mystery Game Puzzles | 16.0% | Epoch AI | 2026-08-27 |
Math 53.0 ±2.1
| Benchmark | Result | Source | Date |
|---|---|---|---|
| FrontierMath Tiers 1-3 (2025 set) | 26.9% | Epoch AI | 2025-11-17 |
| FrontierMath Tier 4 (2025 set) | 4.2% | Epoch AI | 2025-11-17 |
| OTIS Mock AIME 2024-2025 | 85.6% | Epoch AI | 2025-11-17 |
Frontend 43.4 ±3.0
| Benchmark | Result | Source | Date |
|---|---|---|---|
| LMArena WebDev | 1,397 | LMArena | 2026-11-09 |
Multimodal 52.1 ±5.3
Names matched to this model
gpt-5-1-medium