PrepBench - Interactive Disambiguation: leaderboard

Metric: Disambiguation F1 (0-100) of the agent's clarification questions against the annotated ambiguities of each original request, PrepBench natural-language data-preparation tasks, LLM agent at temperature 0.7 with Clarify (budgeted, answered by a DeepSeek-V3.2 user simulator), Profile, Code and Translate actions; higher is better. Source: arxiv.org. Saturation forecast: Around June 2027. 10 models tracked.

Top models

#ModelScore
1GPT-5.1 Codex51.4
2Claude Sonnet 4.551.3
3Gemini 3 Flash51
4GLM-4.748.5
5Kimi K2 (Thinking)45.9
6DeepSeek V3.245.7
7GPT-4o44.6
8Devstral 242.3
9Qwen 3 235B A22B41.3
10Grok Code Fast 134.5

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