OpenAI GPT-5.5 Launch - GPQA Diamond — leaderboard
Metric: Score (%). Source: openai.com. 5 models tracked.
Top models
| # | Model | Score |
|---|---|---|
| 1 | GPT-5.4 Pro (xHigh) | 94.4 |
| 2 | Gemini 3.1 Pro (Preview) | 94.3 |
| 3 | Claude Opus 4.7 | 94.2 |
| 4 | GPT-5.5 | 93.6 |
| 5 | GPT-5.4 | 92.8 |
Interactive version: theaggregate.ai/benchmark?slug=openai-gpt-5-5-launch-gpqa-diamond · How the rankings work · Data refreshed daily, snapshot 2026-07-22.