ProactBench: leaderboard

Most LLM benchmarks score how well a model responds to explicit requests. They leave unmeasured a different conversational ability: noticing and acting on needs the user has implied but not said. We call this conversational proactivity. ProactBench decomposes it into three phase-tied types: Emergent, inference from a single disclosed anchor; Critical, synthesis across m

Metric: Overall Pass Rate (self-reported). Source: benchmarklist.com. Saturation forecast: Around June 2027. 16 models tracked.

Top models

#ModelScoreOverall rank
1GPT-5.561.5#31
2Qwen 3.5 397B A17B52.5#146
3Claude Opus 4.751.9#49
4Gemini 3.1 Pro (Preview)50.4#58
5Qwen 3.5 9B48#379
6Kimi K2.647.5#104
7MiMo-V2.5-Pro44.9#158
8DeepSeek V4 Flash44.3#137
9Gemini 2.5 Pro42.5#152
10O4 Mini38.6#180
11Gemini 2.5 Flash35.3#245
12GPT-4o20.5#343
13Llama 4 Maverick13.1#464
14Qwen 2.5 7B Instruct11.5#862
15Qwen 3 1.7B10.3#1196

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

Interactive version: theaggregate.ai/benchmark?slug=proactbench · How It Works · Data refreshed daily, snapshot 2026-10-20.