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

Last updated at: 2026-05-29

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 7.1 7.4
Rank #75 #60
Reliability 10.0 10.0
Consistency 9.2 8.7
Tests Correct
Attempt pass rate 60.0% 68.3%
Flaky tests 2 3
Total Runs 60 60
Cost per result 0.397 2.796
Total Cost $0.044 $0.336
Input Price $0.100 / 1M $0.200 / 1M
Output Price $0.400 / 1M $1.150 / 1M
Output Tokens 2,555 285,209
Reasoning Tokens 95,974 0
Response Time (avg) 80.22s 16.06s
Response Time (max) 262.83s 124.75s
Response Time (total) 1363.72s 321.11s

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

Anti-AI Tricks Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Seed-2.0-Mini 6.6 10.0 50.0% 0 74.75s 360 9,520
Step 3.7 Flash 8.7 7.9 91.7% 1 4.02s 10,896 0
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Seed-2.0-Mini 7.1 9.8 50.0% 0 220.48s 464 34,964
Step 3.7 Flash 10.0 10.0 100.0% 0 9.43s 14,569 0
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Seed-2.0-Mini 10.0 10.0 100.0% 0 262.83s 404 29,806
Step 3.7 Flash 10.0 10.0 100.0% 0 7.98s 6,426 0
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Seed-2.0-Mini 10.0 10.0 100.0% 0 24.27s 246 2,743
Step 3.7 Flash 7.3 5.8 83.3% 1 2.29s 2,667 0
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Seed-2.0-Mini 3.0 10.0 0.0% 0 0ms 0 0
Step 3.7 Flash 5.3 7.2 44.4% 1 43.31s 104,487 0
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Seed-2.0-Mini 5.1 3.4 33.3% 1 36.65s 213 4,210
Step 3.7 Flash 3.4 9.3 0.0% 0 7.00s 4,604 0
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Seed-2.0-Mini 10.0 10.0 100.0% 0 17.47s 69 2,050
Step 3.7 Flash 9.8 10.0 100.0% 0 1.58s 1,857 0
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Seed-2.0-Mini 8.2 7.2 88.9% 1 31.79s 527 5,667
Step 3.7 Flash 5.5 9.9 33.3% 0 1.84s 3,564 0
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Seed-2.0-Mini 10.0 10.0 100.0% 0 88.68s 222 5,235
Step 3.7 Flash 10.0 10.0 100.0% 0 3.25s 1,360 0
Trivia Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Seed-2.0-Mini 3.0 10.0 0.0% 0 56.76s 50 1,779
Step 3.7 Flash 3.0 10.0 0.0% 0 124.75s 134,779 0

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