OpenAI GPT-5.6 Launch - MedChemBench (Internal): leaderboard

OpenAI's internal medicinal-chemistry benchmark (MedChemBench), science and health table of OpenAI's GPT-5.6 launch post (2026-07-09). Score in percent, higher is better; only GPT-5.6 Sol, Terra, Luna and GPT-5.5 have values.

Metric: Score (%). Source: openai.com. Saturation forecast: Around September 2027. 4 models tracked.

Top models

#ModelScoreOverall rank
1GPT-5.6 Sol48.3#22
2GPT-5.535.5#33
3GPT-5.6 Terra35#40
4GPT-5.6 Luna30.4#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-5-6-launch-medchembench-internal · How It Works · Data refreshed daily, snapshot 2026-11-05.