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ByteDance Seed: Seed-2.0-Mini vs StepFun: Step 3.7 Flash

Summary

Step 3.7 Flash (low) leads on average score with 7.7 vs 7.4. Seed-2.0-Mini (medium) has the lower benchmark cost at $0.044 vs $0.341. Step 3.7 Flash (low) is faster at 15.74s vs 80.22s, with pass rates of 57.1% vs 68.3%.

Recommended modelStep 3.7 Flash (low)It has the best score here (7.7), while responding about 5.1x faster than Seed-2.0-Mini (medium).

Last updated at: 2026-07-14

Metric Seed-2.0-Mini Seed-2.0-Mini medium Release: 2026-02-14 Step 3.7 Flash Step 3.7 Flash low Release: 2026-05-29
Score 7.4 7.7
Rank #66 #51
Reliability 6.7 10.0
Consistency 9.3 8.4
Tests Correct
Attempt pass rate 57.1% 68.3%
Flaky tests 2 4
Total Runs 63 63
Cost per result 0.397 2.840
Total Cost $0.044 $0.341
Input Price $0.100 / 1M $0.200 / 1M
Output Price $0.400 / 1M $1.150 / 1M
Total Input Tokens 41,904 40,101
Output Tokens 2,555 289,325
Reasoning Tokens 95,974 0
Response Time (avg) 80.22s 15.74s
Response Time (max) 262.83s 124.75s
Response Time (total) 1363.72s 330.63s

Generation showcase

Hamster playing table tennis

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

#66 Seed-2.0-Mini

medium
Cost
$0.002
Time
161.7s
Tokens
4,379 tok

#51 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
Seed-2.0-Mini 5.5 9.8 33.3% 0 220.48s 3,823 464 34,964
Step 3.7 Flash 8.2 7.2 88.9% 1 9.46s 7,437 18,685 0

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