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ByteDance Seed: Seed-2.0-Mini vs OpenAI: GPT-5.5

Last updated at: 2026-04-24

Metric Seed-2.0-Mini Seed-2.0-Mini medium Release: 2026-02-14 GPT-5.5 GPT-5.5 none Release: 2026-04-24
Score 7.5 6.8
Rank #47 #58
Reliability N/A N/A
Consistency 9.2 8.3
Tests Correct
Attempt pass rate 66.7% 61.1%
Flaky tests 2 4
Total Runs 54 54
Cost per result 0.333 2.162
Total Cost $0.037 $0.195
Input Price $0.100 / 1M $5.000 / 1M
Output Price $0.400 / 1M $30.000 / 1M
Output Tokens 2,419 1,910
Reasoning Tokens 79,238 0
Response Time (avg) 69.70s 1.83s
Response Time (max) 262.83s 5.56s
Response Time (total) 1045.47s 32.86s

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
GPT-5.5 6.9 7.9 66.7% 1 1.31s 213 0
Coding 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% 0 197.31s 448 20,614
GPT-5.5 10.0 10.0 100.0% 0 2.05s 426 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
GPT-5.5 3.0 10.0 0.0% 0 5.56s 300 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
GPT-5.5 10.0 10.0 100.0% 0 1.18s 222 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
GPT-5.5 2.9 7.2 11.1% 1 1.31s 52 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
GPT-5.5 10.0 10.0 100.0% 0 3.41s 124 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
GPT-5.5 6.2 5.8 66.7% 1 1.15s 81 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 25.85s 457 5,060
GPT-5.5 6.7 7.9 55.6% 1 1.36s 245 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
GPT-5.5 10.0 10.0 100.0% 0 3.90s 247 0

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