GPT-5.5 Pro benchmark ranking on every AI leaderboard
closed weights · #26 overall, podium score 5.3 · top 10 on 2 of 2 · released Apr 23, 2026
| Rank | Board | Score | |||
|---|---|---|---|---|---|
| 5 |  Epoch ECIReasoning · as “GPT-5.5 Pro” | Reasoning | 162.4 | 100 | |
| 9 |  ARC-AGI-2Reasoning · as “GPT-5.5 Pro (High)” | Reasoning | 84.6% | 78 |
Category ranks and more models
Rank in each category
Sources: each leaderboard's own published results page, captured every day at 04:30 UTC. Scores exactly as each board published them; we run no evaluations. Logos via logo.dev; trademarks belong to their owners.