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

Summary

Seed-2.0-Mini vs GPT-5.5 benchmark comparison: Seed-2.0-Mini leads on average score with 6.9 vs 6.4. Seed-2.0-Mini has the lower benchmark cost at $0.044 vs $0.231. GPT-5.5 is faster at 1.89s vs 80.22s, with pass rates of 57.1% vs 54.0%.

Recommended model: Seed-2.0-Mini - It has the best score here (6.9), while costing about 5.3x less than GPT-5.5.

Last updated at: 2026-06-04

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 6.9 6.4
Rank #73 #91
Reliability 6.7 10.0
Consistency 9.3 8.8
Tests Correct
Attempt pass rate 57.1% 54.0%
Flaky tests 2 3
Total Runs 63 63
Cost per result 0.397 2.302
Total Cost $0.044 $0.231
Input Price $0.100 / 1M $5.000 / 1M
Output Price $0.400 / 1M $30.000 / 1M
Total Input Tokens 41,904 34,212
Output Tokens 2,555 1,971
Reasoning Tokens 95,974 0
Response Time (avg) 80.22s 1.89s
Response Time (max) 262.83s 5.56s
Response Time (total) 1363.72s 39.64s

Generation showcase

Hamster playing table tennis

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

#73 Seed-2.0-Mini

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

#91 GPT-5.5

none
Cost
$0.090
Time
54.3s
Tokens
3,063 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

Anti-AI Tricks Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Seed-2.0-Mini 6.6 10.0 50.0% 0 74.75s 791 360 9,520
GPT-5.5 6.9 7.9 66.7% 1 1.31s 606 213 0
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
GPT-5.5 5.5 10.0 33.3% 0 1.35s 7,305 462 0
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Seed-2.0-Mini 10.0 10.0 100.0% 0 262.83s 16,533 404 29,806
GPT-5.5 3.0 10.0 0.0% 0 5.56s 11,019 300 0
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Seed-2.0-Mini 10.0 10.0 100.0% 0 24.27s 8,568 246 2,743
GPT-5.5 10.0 10.0 100.0% 0 1.18s 7,140 222 0
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Seed-2.0-Mini 3.0 10.0 0.0% 0 0ms 0 0 0
GPT-5.5 2.9 7.2 11.1% 1 1.31s 723 52 0
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Seed-2.0-Mini 5.1 3.4 33.3% 1 36.65s 585 213 4,210
GPT-5.5 10.0 10.0 100.0% 0 3.41s 477 124 0
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Seed-2.0-Mini 10.0 10.0 100.0% 0 17.47s 840 69 2,050
GPT-5.5 6.2 5.8 66.7% 1 1.15s 660 81 0
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Seed-2.0-Mini 8.2 7.2 88.9% 1 31.79s 903 527 5,667
GPT-5.5 7.7 10.0 66.7% 0 1.29s 642 252 0
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Seed-2.0-Mini 10.0 10.0 100.0% 0 88.68s 9,585 222 5,235
GPT-5.5 10.0 10.0 100.0% 0 3.90s 5,445 247 0
Trivia Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Seed-2.0-Mini 3.0 10.0 0.0% 0 56.76s 276 50 1,779
GPT-5.5 3.0 10.0 0.0% 0 5.01s 195 18 0

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