Best in Reasoning
- GPT-6 Astra (Xhigh); 198-question Diamond subset; independent AA evaluation. Source for GPT-6 Astra on GPQA Diamond
GPT-6 Astra by OpenAI96.3%
- Gemini 3.8 Flash (High); 198-question Diamond subset; independent AA evaluation. Source for Gemini 3.8 Flash on GPQA Diamond
Gemini 3.8 Flash by Google95.3%
- Gemini 3.1 Pro Preview; 198-question Diamond subset; independent AA evaluation. Source for Gemini 3.1 Pro on GPQA Diamond
Gemini 3.1 Pro by Google94.1%
- GPT-5.6 Sol (Max); 198-question Diamond subset; independent AA evaluation. Source for GPT-5.6 Sol on GPQA Diamond
GPT-5.6 Sol by OpenAI94.1%
- Muse Spark 1.3 (Xhigh); 198-question Diamond subset; independent AA evaluation. Source for Muse Spark 1.3 on GPQA Diamond
Muse Spark 1.3 by Meta94.1%
