OpenAI GPT-5.4 Launch - GPQA Diamond: leaderboard

The "GPQA Diamond" subtask of OpenAI GPT-5.4 Launch. A benchmark result reported in the OpenAI GPT-5.4 launch announcement, as self-reported by the model developer.

Metric: Score (%). Source: openai.com. Saturation forecast: Estimated already saturated. 5 models tracked.

Top models

#ModelScoreOverall rank
1GPT-5.4 Pro (xHigh)94.4#32 (GPT-5.4 Pro)
2GPT-5.2 Pro93.2#61
3GPT-5.492.8#79
4GPT-5.3 Codex92.6#69
5GPT-5.292.4#110

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-5-4-launch-gpqa-diamond · How It Works · Data refreshed daily, snapshot 2026-10-20.