Mercury 3 Release - GPQA Diamond: leaderboard

Inception Mercury 3 release comparison (2026-10-19): three explicitly Medium-effort models, exact source image cells. Release-specific harness and task populations are otherwise unspecified; no pooling with official benchmark leaderboards or other efforts. GDPval uses native Elo, all other columns use percentage scores. Accuracy (%).

Metric: Accuracy (%). Source: www.inceptionlabs.ai. Saturation forecast: Around January 2027. 3 models tracked.

Top models

#ModelScoreOverall rank
1GPT-6 Luna (Medium)86.36#59 (GPT-6 Luna)
2Claude Haiku 5.5 (Medium)84.51#40 (Claude Haiku 5.5)

No result here: #4 Claude Opus 5.5, #6 GPT-6 Astra, #7 Gemini 4 Argon.

Interactive version: theaggregate.ai/benchmark?slug=mercury-3-release-gpqa-diamond · How It Works · Data refreshed daily, snapshot 2026-10-21.