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ByteDance Seed: Seed-2.0-Lite vs HY3 Preview

Last updated at: 2026-04-26

Metric Seed-2.0-Lite Seed-2.0-Lite none Release: 2026-02-14 HY3 Preview HY3 Preview high Release: 2026-04-22 Free Available
Score 6.2 8.5
Rank #72 #11
Reliability N/A N/A
Consistency 7.7 8.8
Tests Correct
Attempt pass rate 55.6% 81.5%
Flaky tests 5 3
Total Runs 54 50
Cost per result 0.200 0.000
Total Cost $0.016 $0.000
Input Price $0.250 / 1M $0.000 / 1M
Output Price $2.000 / 1M $0.000 / 1M
Output Tokens 3,129 238,920
Reasoning Tokens 0 0
Response Time (avg) 2.53s 55.19s
Response Time (max) 6.70s 149.94s
Response Time (total) 45.46s 938.23s

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Score vs Total Cost

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Score vs Response Time (avg)

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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-Lite 3.0 5.9 16.7% 2 2.43s 709 0
HY3 Preview 10.0 10.0 100.0% 0 32.69s 26,550 0
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Seed-2.0-Lite 10.0 10.0 100.0% 0 4.61s 380 0
HY3 Preview 10.0 10.0 100.0% 0 99.76s 38,167 0
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Seed-2.0-Lite 3.0 10.0 0.0% 0 6.59s 498 0
HY3 Preview 10.0 10.0 100.0% 0 113.09s 31,319 0
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Seed-2.0-Lite 10.0 10.0 100.0% 0 1.82s 246 0
HY3 Preview 6.5 10.0 50.0% 0 12.11s 4,323 0
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Seed-2.0-Lite 3.6 7.2 22.2% 1 1.33s 17 0
HY3 Preview 5.3 7.2 44.4% 1 109.04s 87,559 0
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Seed-2.0-Lite 10.0 10.0 100.0% 0 3.45s 294 0
HY3 Preview 10.0 10.0 100.0% 0 24.31s 5,490 0
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Seed-2.0-Lite 10.0 10.0 100.0% 0 1.06s 73 0
HY3 Preview 8.5 6.8 83.3% 1 34.02s 13,331 0
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Seed-2.0-Lite 5.2 4.4 55.6% 2 2.46s 620 0
HY3 Preview 9.0 7.9 88.9% 1 28.07s 21,811 0
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Seed-2.0-Lite 10.0 10.0 100.0% 0 3.94s 292 0
HY3 Preview 10.0 10.0 100.0% 0 78.83s 10,370 0

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