Postman

APIFlow-Bench 1.0 Leaderboard | Error Recovery

How a model reacts when the API pushes back — 4xx/5xx responses, rate limits, and injected faults it must diagnose and work around. 76 tasks × 24 models in this slice.

Ranking◴ Generated 2026-07-31☑ 9,120 trials▤ 24 models
Pass rate
79.8%
Error Rate
0.0%
Trials
9,120
Tasks
76
Models
24
p95 Time
10.5m
p95 Tokens
557,608
Tool Calls Avg
19.2
Rank
Rank Spread
Model
Pass rate ± 90% CI
Pass (no abstain)
Abstain%
p95 Time
p95 Tokens
Avg Tools
11 ↔ 7kimi-k390.3% 84.7%–95.0%91.2% 343/3761.1% 4/38033.9m488,33517.8
21 ↔ 8claude-opus-4-889.5% 83.9%–94.5%89.9% 340/3780.5% 2/3801.6m136,25312.2
31 ↔ 10claude-sonnet-588.9% 83.2%–94.2%88.9% 338/3800.0% 0/3802.6m316,76315.7
41 ↔ 14deepseek-v4-flash87.9% 82.1%–93.4%87.9% 334/3800.0% 0/3802.4m176,29018.9
52 ↔ 13claude-sonnet-4-687.6% 81.6%–93.2%87.6% 333/3800.0% 0/3801.2m93,26518.4
62 ↔ 14kimi-k2p7-code87.4% 81.6%–92.9%87.4% 332/3800.0% 0/3805.6m126,75912.9
73 ↔ 15kimi-k2p687.1% 81.1%–93.2%87.6% 331/3780.5% 2/3804.9m547,48616.7
73 ↔ 16qwen3p7-plus87.1% 81.1%–92.4%87.6% 331/3780.5% 2/3809.0m322,83310.3
93 ↔ 16qwen3p6-plus86.8% 81.1%–92.4%86.8% 330/3800.0% 0/3801.8m133,91913.9
103 ↔ 16gpt-5.6-sol86.6% 80.3%–92.6%86.8% 329/3790.3% 1/3805.2m95,19113.5
115 ↔ 18minimax-m2p785.8% 79.7%–91.3%86.2% 326/3780.5% 2/38045.9s123,68312.2
124 ↔ 18gpt-5.585.5% 78.9%–91.8%85.8% 325/3790.3% 1/3802.8m240,14315
136 ↔ 19gpt-5.6-luna85.0% 78.4%–91.1%85.0% 323/3800.0% 0/3802.6m62,68712.5
135 ↔ 19glm-5p285.0% 78.4%–91.1%85.2% 323/3790.3% 1/38030.1m738,10117.1
156 ↔ 20deepseek-v4-pro84.5% 77.6%–90.8%84.5% 321/3800.0% 0/3807.5m147,76019.2
168 ↔ 20kimi-k2p584.2% 77.1%–90.3%84.2% 320/3800.0% 0/3801.5m75,66511.1
179 ↔ 20gpt-5.6-terra83.7% 77.1%–90.0%84.1% 318/3780.5% 2/3802.0m70,50912.3
1811 ↔ 21claude-haiku-4-5-2025100182.9% 75.8%–89.5%83.1% 315/3790.3% 1/3801.3m127,27916.4
1911 ↔ 21gpt-oss-120b82.6% 76.3%–88.2%83.1% 314/3780.5% 2/38053.1s119,36212.9
2014 ↔ 21gpt-oss-20b81.3% 75.3%–87.4%83.3% 309/3712.4% 9/3803.0m133,69914
2115 ↔ 21gpt-5-mini81.1% 74.2%–87.1%86.0% 308/3585.8% 22/3801.1m90,86110.6
2222 ↔ 22gpt-5.4-mini67.6% 61.0%–74.5%69.5% 257/3702.6% 10/38021.8s36,04210.7
2323 ↔ 23minimax-m337.6% 31.6%–43.7%59.6% 143/24036.8% 140/38061.6m13,888,201145.2
2424 ↔ 24claude-fable-58.7% 3.9%–13.7%8.7% 33/3800.0% 0/3802.3m37,9191.9

Diagnostics

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