Composite-Bench: leaderboard

Composite-Bench evaluates browser-based computer-use agents in deterministic enterprise web environments. The input modality is text and web interaction. Its pinned metric is Macro Success (%), aggregating pass@1 performance on the main slices reported in the source leaderboard. Source: BenchmarkList’s attributed result table.

Metric: Macro Success (%). Source: benchmarklist.com. Saturation forecast: Around September 2027. 8 models tracked.

Top models

#ModelScoreOverall rank
1Claude Fable 5 (Max)74#20 (Claude Fable 5)
2Claude Opus 4.8 (Max)73#39 (Claude Opus 4.8)
3GLM-5.2 (Max)63#80 (GLM-5.2)
4Kimi K331#35
5Gemini 3.5 Flash (High)27#66 (Gemini 3.5 Flash)
6GPT-5.6 Sol (Max)18#22 (GPT-5.6 Sol)
7Grok 4.5 (High)9#54 (Grok 4.5)

No result here: #3 Claude Opus 5.5, #6 GPT-6 Astra, #7 GPT-6.1 Sol.

Interactive version: theaggregate.ai/benchmark?slug=composite-bench · How It Works · Data refreshed daily, snapshot 2026-11-05.