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Qwen: Qwen3.5-27B vs StepFun: Step 3.7 Flash

Qwen3.5-27B (medium) leads on average score with 7.4 vs 7.3. Step 3.7 Flash (low) has the lower benchmark cost at $0.454 vs $1.627. Step 3.7 Flash (low) is faster at 20.68s vs 111.94s, with pass rates of 72.7% vs 68.2%.

Recommended modelStep 3.7 Flash (low)Its score stays close to the best score here (7.3 vs 7.4), while costing about 3.6x less than Qwen3.5-27B (medium).

Last updated at: 2026-07-18

Metric Qwen3.5-27B Qwen3.5-27B medium Release: 2026-02-24 Step 3.7 Flash Step 3.7 Flash low Release: 2026-05-29
Score 7.4 7.3
Rank #58 #66
Reliability 10.0 10.0
Consistency 8.2 8.1
Tests Correct
Attempt pass rate 72.7% 68.2%
Flaky tests 5 5
Total Runs 66 66
Cost per result 8.324 3.782
Total Cost $1.627 $0.454
Input Price $0.260 / 1M $0.200 / 1M
Output Price $2.600 / 1M $1.150 / 1M
Total Input Tokens 111,635 103,833
Output Tokens 15,999 376,581
Reasoning Tokens 598,430 0
Response Time (avg) 111.94s 20.68s
Response Time (max) 1026.43s 124.75s
Response Time (total) 2462.67s 455.01s

Hamster playing table tennis

Prompt: Create a detailed SVG illustration of a hamster playing table tennis.

#58 Qwen3.5-27B

medium
Cost
$0.008
Time
62.0s
Tokens
3,099 tok

#66 Step 3.7 Flash

low
Invalid SVG
Cost
$0.004
Time
25.3s
Tokens
3,072 tok

Top Models by Score

Score vs Total Cost

Response Time (avg)

Score vs Response Time (avg)

Total Output Tokens

Score vs Total Output Tokens

Category Breakdown

Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Qwen3.5-27B 6.2 7.1 55.6% 1 160.69s 7,895 6,381 89,388
Step 3.7 Flash 8.2 7.2 88.9% 1 9.46s 7,437 18,685 0

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