Benchmarks / Agentic

Butter-Bench

LLMs orchestrate a household robot through six 'pass the butter' subtasks; average task completion rate.

5models
–Open Index weight
–last updated
Andon Labspublisher

Butter-Bench

Higher is better · best effort per model

Chart settings
5 of 5 selected

full table below

#ModelEffortScoreCost / taskHarness
1Gemini 2.5 Prohigh40.0%––
2Opus 4.1high37.0%––
3GPT-5high30.0%––
4Grok 4high23.0%––
5Llama 4 Maverickmedium7.0%––