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ByteDance Seed: Seed-2.0-Mini vs OpenAI: GPT-5.3 Chat

Last updated at: 2026-06-04

Metric Seed-2.0-Mini Seed-2.0-Mini medium Release: 2026-02-14 GPT-5.3 Chat GPT-5.3 Chat none Release: 2026-03-03
Score 6.9 7.2
Rank #73 #63
Reliability 6.7 10.0
Consistency 9.3 8.1
Tests Correct
Attempt pass rate 57.1% 66.7%
Flaky tests 2 5
Total Runs 63 63
Cost per result 0.397 3.605
Total Cost $0.044 $0.433
Input Price $0.100 / 1M $1.750 / 1M
Output Price $0.400 / 1M $14.000 / 1M
Total Input Tokens 41,904 34,209
Output Tokens 2,555 26,617
Reasoning Tokens 95,974 0
Response Time (avg) 80.22s 6.34s
Response Time (max) 262.83s 18.33s
Response Time (total) 1363.72s 133.13s

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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-5.3 Chat 6.7 8.1 58.3% 1 3.86s 606 3,167 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-5.3 Chat 5.6 4.7 55.6% 2 10.52s 7,302 6,632 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-5.3 Chat 10.0 10.0 100.0% 0 11.96s 11,019 2,614 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-5.3 Chat 10.0 10.0 100.0% 0 2.21s 7,140 942 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-5.3 Chat 3.5 4.4 33.3% 2 13.01s 723 8,264 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-5.3 Chat 4.6 10.0 0.0% 0 1.99s 477 319 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-5.3 Chat 9.8 10.0 100.0% 0 3.51s 660 1,491 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-5.3 Chat 10.0 10.0 100.0% 0 2.99s 642 1,758 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-5.3 Chat 10.0 10.0 100.0% 0 8.36s 5,445 861 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-5.3 Chat 3.0 10.0 0.0% 0 4.38s 195 569 0

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