Stargazer - Medium: leaderboard

Metric: Pass rate (%) on the Medium tier of synthetic radial-velocity model-fitting tasks (all four criteria: delta BIC, RMS, orbit match, planet count), mean of three runs. Source: arxiv.org. Saturation forecast: Around 2029. 8 models tracked.

Top models

#ModelScore
1Gemini 3.1 Pro (Preview)35
2GPT-5 Mini33.6
3GPT-5.3 Codex30.8
4GPT-5.230
5Qwen 3.5 Plus25
6O3 Mini24.2
7Claude Sonnet 4.622.5
8Kimi K2.517.9

Interactive version: theaggregate.ai/benchmark?slug=stargazer-medium · How It Works · Data refreshed daily, snapshot 2026-10-07.