TrialDesignBench - B - Balanced Accuracy: leaderboard

TrialDesignBench v1,617trials, eightdesignclasses, inputconditionB. Acontext;Baddsattributes;Caddsdesignfactors;DworkflowoverB;EworkflowoverC. A-Cdirectclass;D/Edeterministictreewalk. AllE includes20correctedcombinationreruns. UnifiedDatabricksserving,claimedpinnedversions,deterministicdecoding; nativeBalanced Accuracy, no modelmean or crosscondition pooling.

Metric: Balanced Accuracy (native). Source: arxiv.org. Saturation forecast: Rough model projection: around 2026. 5 models tracked.

Top models

#ModelScoreOverall rank
1Claude Opus 5 (TrialDesignBench Run: endpoint=databricks-claude-opus-5;condition=B;serving=Databricks)0.4
2GPT-5 (TrialDesignBench Run: endpoint=openai-gpt-5;condition=B;serving=Databricks)0.33
3o3 (TrialDesignBench Run: endpoint=openai-gpt-o3;condition=B;serving=Databricks)0.31
4gpt-oss-120b (TrialDesignBench Run: endpoint=databricks-gpt-oss-120b;condition=B;serving=Databricks)0.25
5Llama 4 Maverick (TrialDesignBench Run: endpoint=databricks-llama-4-maverick;condition=B;serving=Databricks)0.25

Interactive version: theaggregate.ai/benchmark?slug=trialdesignbench-b-balanced-accuracy · How It Works · Data refreshed daily, snapshot 2026-11-12.