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ByteDance Seed: Seed-2.0-Mini vs StepFun: Step 3.5 Flash

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Last updated at : 2026-02-27 15:16

Summary

Metric ByteDance Seed: Seed-2.0-Mini medium Release: 2026-02-26 StepFun: Step 3.5 Flash medium Release: Unknown release date Free Available
Rank #18 #11
Score 6.13 7.00
Consistency 8.91 8.32
Cost per result 0.177 0.000
Total Cost $0.013 $0.000
Tests Correct
Wrong Tests 7 5
Attempt pass rate 59.5% 73.8%
Flaky tests 2 3
Output Tokens 1,353 60,502
Reasoning Tokens 24,362 117,044

Category Breakdown

Anti-AI Tricks Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
ByteDance Seed: Seed-2.0-Mini 7.00 9.99 66.7% 0 354 9,352
StepFun: Step 3.5 Flash 10.00 10.00 100.0% 0 13,924 17,208
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
ByteDance Seed: Seed-2.0-Mini 9.88 10.00 100.0% 0 246 2,743
StepFun: Step 3.5 Flash 10.00 10.00 100.0% 0 535 11,548
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
ByteDance Seed: Seed-2.0-Mini 1.00 10.00 0.0% 0 0 0
StepFun: Step 3.5 Flash 4.00 7.21 44.4% 1 40,942 74,237
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
ByteDance Seed: Seed-2.0-Mini 8.00 9.99 50.0% 0 69 2,050
StepFun: Step 3.5 Flash 10.00 10.00 100.0% 0 2,121 3,274
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
ByteDance Seed: Seed-2.0-Mini 5.33 4.91 77.8% 2 462 4,982
StepFun: Step 3.5 Flash 2.00 4.96 33.3% 2 2,705 6,975
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
ByteDance Seed: Seed-2.0-Mini 10.00 10.00 100.0% 0 222 5,235
StepFun: Step 3.5 Flash 10.00 10.00 100.0% 0 275 3,802

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