Compare GPT-5.6 Sol, Claude Opus 4.8, Gemini 3.1 Pro Preview...

Prompt

Compare GPT-5.6 Sol, Claude Opus 4.8, Gemini 3.1 Pro Preview, and DeepSeek V4 Pro 0813. For each model, provide its current Artificial Analysis Intelligence Index score using the highest/max reasoning-effort configuration available. Also provide the exact model/configuration name, Intelligence Index version, and any relevant reasoning-effort setting. Use the same Intelligence Index methodology across all four models. Do not use provider-reported benchmark scores.