OpenAI GPT-5.5 Launch - GPQA Diamond: leaderboard
The "GPQA Diamond" subtask of OpenAI GPT-5.5 Launch. A benchmark result reported in the OpenAI GPT-5.5 launch announcement, as self-reported by the model developer.
Metric: Score (%). Source: openai.com. Saturation forecast: Estimated already saturated. 5 models tracked.
Top models
| # | Model | Score | Overall rank |
|---|---|---|---|
| 1 | GPT-5.4 Pro (xHigh) | 94.4 | #32 (GPT-5.4 Pro) |
| 2 | Gemini 3.1 Pro (Preview) | 94.3 | #58 |
| 3 | Claude Opus 4.7 | 94.2 | #49 |
| 4 | GPT-5.5 | 93.6 | #31 |
| 5 | GPT-5.4 | 92.8 | #79 |
No result here: #3 Claude Opus 5.5, #6 GPT-6 Astra, #7 GPT-6.1 Sol.
Interactive version: theaggregate.ai/benchmark?slug=openai-gpt-5-5-launch-gpqa-diamond · How It Works · Data refreshed daily, snapshot 2026-10-20.