APIFlow-Bench 1.0 - Multi-step Workflow: leaderboard

Postman's APIFlow-Bench 1.0 pass rate on the tasks that exercise the multi-step workflow capability axis, across all task lengths (arXiv 2608.29128v1). Passed over all trials, 0-100 to one decimal, higher is better; refusals and abstentions count as failures. From the live leaderboard's axis page in its all-tasks view.

Metric: Pass Rate (%). Source: www.postman.com. Saturation forecast: Around February 2027. 24 models tracked.

Top models

#ModelScoreOverall rank
1Kimi K396.5#35
2DeepSeek V4 Pro95#112
3GLM-5.294.4#80
4Claude Opus 4.894.1#39
5DeepSeek V4 Flash94.1#155
6Claude Sonnet 594.1#65
7Kimi K2.7 Code94.1#95
8Kimi K2.693.8#113
9Qwen 3.6 Plus93.8#124
10GPT-5.6 Sol93.5#22
11GPT-5.6 Luna93.5#79
12GPT-5.593.2#33
13Claude Sonnet 4.692.9#94
14Qwen 3.7 Plus92.4#98
15GPT-5.6 Terra92.1#40

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

Interactive version: theaggregate.ai/benchmark?slug=apiflow-bench-1-0-multi-step-workflow · How It Works · Data refreshed daily, snapshot 2026-11-05.