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Qwen: Qwen3.5 Plus 2026-04-20 vs StepFun: Step 3.7 Flash

Last updated at: 2026-06-03

Metric Qwen3.5 Plus 2026-04-20 Qwen3.5 Plus 2026-04-20 medium Release: 2026-04-20 Step 3.7 Flash Step 3.7 Flash low Release: 2026-05-29
Score 7.5 7.4
Rank #48 #56
Reliability 10.0 10.0
Consistency 8.9 8.7
Tests Correct
Attempt pass rate 65.0% 68.3%
Flaky tests 2 3
Total Runs 60 60
Cost per result 3.022 2.796
Total Cost $0.287 $0.336
Input Price $0.300 / 1M $0.200 / 1M
Output Price $1.800 / 1M $1.150 / 1M
Total Input Tokens 39,262 37,458
Output Tokens 2,259 285,209
Reasoning Tokens 150,249 0
Response Time (avg) 43.65s 16.06s
Response Time (max) 189.38s 124.75s
Response Time (total) 872.90s 321.11s

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Category Breakdown

Anti-AI Tricks Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Qwen3.5 Plus 2026-04-20 10.0 10.0 100.0% 0 10.84s 672 215 7,748
Step 3.7 Flash 8.7 7.9 91.7% 1 4.02s 756 10,896 0
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Qwen3.5 Plus 2026-04-20 4.3 8.1 0.0% 0 137.55s 4,795 287 42,318
Step 3.7 Flash 10.0 10.0 100.0% 0 9.43s 4,794 14,569 0
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Qwen3.5 Plus 2026-04-20 10.0 10.0 100.0% 0 92.41s 14,934 483 17,490
Step 3.7 Flash 10.0 10.0 100.0% 0 7.98s 13,683 6,426 0
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Qwen3.5 Plus 2026-04-20 10.0 10.0 100.0% 0 38.32s 7,782 270 14,668
Step 3.7 Flash 7.3 5.8 83.3% 1 2.29s 7,398 2,667 0
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Qwen3.5 Plus 2026-04-20 2.9 7.2 11.1% 1 53.10s 771 63 28,414
Step 3.7 Flash 5.3 7.2 44.4% 1 43.31s 828 104,487 0
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Qwen3.5 Plus 2026-04-20 4.9 9.6 0.0% 0 25.30s 516 125 4,792
Step 3.7 Flash 3.4 9.3 0.0% 0 7.00s 525 4,604 0
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Qwen3.5 Plus 2026-04-20 10.0 10.0 100.0% 0 20.25s 699 103 7,689
Step 3.7 Flash 9.8 10.0 100.0% 0 1.58s 735 1,857 0
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Qwen3.5 Plus 2026-04-20 8.2 7.2 88.9% 1 17.67s 696 338 9,800
Step 3.7 Flash 5.5 9.9 33.3% 0 1.84s 756 3,564 0
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Qwen3.5 Plus 2026-04-20 10.0 10.0 100.0% 0 14.72s 8,193 348 2,164
Step 3.7 Flash 10.0 10.0 100.0% 0 3.25s 7,746 1,360 0
Trivia Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Qwen3.5 Plus 2026-04-20 3.0 10.0 0.0% 0 92.57s 204 27 15,166
Step 3.7 Flash 3.0 10.0 0.0% 0 124.75s 237 134,779 0

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