GPT-5.5 Medium
| Released | 2026-04-23 |
|---|---|
| Price per 1M | $5.00 in · $30.00 out |
| Overall score | 57.8 · rank 154 |
| Context window | 1,050,000 tokens |
| Provider | OpenAI |
| Weights | Proprietary |
| Configuration | Medium |
Scores
| Dimension | Score | Rank | Benchmarks |
|---|---|---|---|
| Overall: Balanced | 57.8 | 154 | 7 |
| Overall: Coding | 57.8 | 148 | 7 |
| Overall: Reasoning | 62.4 | 69 | 4 |
| Overall: Agentic work | 56.1 | 186 | 7 |
| Overall: Frontend | 58.5 | 106 | 2 |
| Coding | 58.5 | 118 | 2 |
| Agents | 53.5 | 170 | 1 |
| Reasoning | 62.4 | 79 | 4 |
| Value vs price | +0.6 | 226 |
Evidence
Coding 58.5 ±1.6
Agents 53.5 ±6.1
| Benchmark | Result | Source | Date |
|---|---|---|---|
| DeepResearch Bench | 49.6% | Epoch AI | 2026-11-11 |
Reasoning 62.4 ±1.9
| Benchmark | Result | Source | Date |
|---|---|---|---|
| Extended NYT Connections | 92.4% | Lech Mazur | 2026-11-10 |
| ARC-AGI-2 | 70.4% | Epoch AI | 2026-11-11 |
| ARC-AGI-2 (ARC Prize verified) | 70.4% | ARC Prize | 2026-11-11 |
| CritPt | 18.6% | Epoch AI | 2026-11-11 |
| ARC-AGI-1 (ARC Prize verified) | 92.2% | ARC Prize | 2026-11-11 |
| ARC-AGI-1 | 92.2% | Epoch AI | 2026-11-11 |
Names matched to this model
gpt-5-5-medium