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

Summary

The average score is effectively tied at 8.5 vs 8.5. Seed-2.0-Lite (medium) has the lower benchmark cost at $0.175 vs $0.376. Step 3.7 Flash (medium) is faster at 20.35s vs 47.07s, with pass rates of 76.2% vs 73.0%.

Recommended modelSeed-2.0-Lite (medium)It has the best score here (8.5), while costing about 2.1x less than Step 3.7 Flash (medium).

Last updated at: 2026-07-14

Metric Seed-2.0-Lite Seed-2.0-Lite medium Release: 2026-02-14 Step 3.7 Flash Step 3.7 Flash medium Release: 2026-05-29
Score 8.5 8.5
Rank #21 #23
Reliability 10.0 9.9
Consistency 9.0 9.3
Tests Correct
Attempt pass rate 76.2% 73.0%
Flaky tests 3 2
Total Runs 63 61
Cost per result 1.250 2.686
Total Cost $0.175 $0.376
Input Price $0.250 / 1M $0.200 / 1M
Output Price $2.000 / 1M $1.150 / 1M
Total Input Tokens 46,740 39,981
Output Tokens 3,230 319,958
Reasoning Tokens 78,406 0
Response Time (avg) 47.07s 20.35s
Response Time (max) 254.92s 113.98s
Response Time (total) 988.37s 427.42s

Generation showcase

Hamster playing table tennis

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

#21 Seed-2.0-Lite

medium
Cost
$0.005
Time
86.7s
Tokens
2,354 tok

#23 Step 3.7 Flash

medium
Cost
$0.006
Time
46.2s
Tokens
4,466 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-Lite 8.0 9.8 66.7% 0 156.74s 8,247 458 31,890
Step 3.7 Flash 8.8 7.8 88.9% 1 27.42s 7,437 44,797 0

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