WatchAct - Procedural Reasoning: leaderboard

Procedural reasoning in WatchAct (Li et al., 2026): from a real video of a person handling objects, a vision-language model writes a high-level robot plan that imitates, reverses or temporally sorts the observed actions. The plan is executed symbolically in an aligned LIBERO scene and succeeds when the goal state is reached; plan success rate in percent over 725 instances, higher is better.

Metric: Plan success rate (%; the VLM's high-level Pick/Place/Open/Close plan, predicted from a real human video and an instruction, run through a symbolic executor and checked against the task's success predicate; instance-weighted mean of the Imitation, Reversal and Temporal Sort tasks, 725 instances). Source: arxiv.org. Saturation forecast: Around February 2027. 9 models tracked.

Top models

#ModelScoreOverall rank
1GPT-5.429.6#121
2Gemini 3.1 Pro (Preview)29.5#91
3GPT-5.127.9#225
4Gemini 3 Flash22.8#159
5Qwen 3 VL 235B A22B Instruct10.2#521
6Qwen 3 VL 235B A22B (Thinking)8#451
7Gemini 3.1 Flash Lite6.9#363

No result here: #1 Claude Fable 5.2, #2 Gemini 4 Carbon, #5 Claude Opus 5.5.

Interactive version: theaggregate.ai/benchmark?slug=watchact-procedural-reasoning · How It Works · Data refreshed daily, snapshot 2026-11-12.