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

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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 OpenAI: GPT-5.3-Codex medium Release: Unknown release date
Rank #18 #7
Score 6.13 7.93
Consistency 8.91 8.84
Cost per result 0.177 4.641
Total Cost $0.013 $0.465
Tests Correct
Wrong Tests 7 4
Attempt pass rate 59.5% 78.6%
Flaky tests 2 2
Output Tokens 1,353 1,201
Reasoning Tokens 24,362 30,056

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
OpenAI: GPT-5.3-Codex 10.00 10.00 100.0% 0 216 1,421
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
OpenAI: GPT-5.3-Codex 10.00 10.00 100.0% 0 234 735
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
OpenAI: GPT-5.3-Codex 4.00 7.21 55.6% 1 64 25,308
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
OpenAI: GPT-5.3-Codex 9.00 10.00 50.0% 0 93 693
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
OpenAI: GPT-5.3-Codex 7.00 7.38 77.8% 1 340 1,407
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
OpenAI: GPT-5.3-Codex 10.00 10.00 100.0% 0 254 492

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