PrepBench - Code-to-Workflow Translation: leaderboard

Metric: Translation accuracy (%): given the ground-truth preparation code, the agent must translate it into an executable GUI workflow with the same output, 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 January 2027. 10 models tracked.

Top models

#ModelScore
1GPT-5.1 Codex67.7
2Gemini 3 Flash52.3
3Kimi K2 (Thinking)46.1
4Grok Code Fast 145.1
5Claude Sonnet 4.544.8
6Qwen 3 235B A22B35
7GLM-4.734.6
8DeepSeek V3.227.8
9GPT-4o19.9
10Devstral 210.5

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