CirrusBench - Pass@2: leaderboard

Metric: Pass@2 success rate (%): share of CirrusBench's 1,500 multi-turn cloud-customer-service tasks rebuilt from real support logs, the agent replying at each annotated checkpoint and a DeepSeek-V3.2 evaluator checking each reply against the ground-truth response without tool calls, resolved in at least one of two attempts; higher is better. Source: arxiv.org. Saturation forecast: Around July 2027. 9 models tracked.

Top models

#ModelScoreOverall rank
1GPT-535.2#91
2GPT-5 Mini (2025-08-07)31.4#165
3Qwen 3 235B A22B 2507 Instruct26.2#291
4GPT-5.225.2#105
5Qwen 3 Max23.7#201
6DeepSeek V3.2 (Non-reasoning)23.5#198 (DeepSeek V3.2)
7DeepSeek R121.1#245
8Qwen 3 235B A22B 2507 (Thinking)18.5#253 (Qwen 3 235B A22B 2507)
9GPT-4o (2024-08-06)11#326

No result here: #3 Claude Opus 5.5, #5 GPT-6 Astra, #8 Claude Fable 5.1.

Interactive version: theaggregate.ai/benchmark?slug=cirrusbench-pass-2 · How It Works · Data refreshed daily, snapshot 2026-10-11.