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ByteDance Seed: Seed-2.0-Lite vs Inception: Mercury 2

Last updated at: 2026-04-26

Metric Seed-2.0-Lite Seed-2.0-Lite none Release: 2026-02-14 Mercury 2 Mercury 2 medium Release: 2026-02-24
Score 6.2 6.5
Rank #72 #65
Reliability N/A N/A
Consistency 7.7 8.6
Tests Correct
Attempt pass rate 55.6% 53.7%
Flaky tests 5 3
Total Runs 54 54
Cost per result 0.200 0.580
Total Cost $0.016 $0.047
Input Price $0.250 / 1M $0.250 / 1M
Output Price $2.000 / 1M $0.750 / 1M
Output Tokens 3,129 3,972
Reasoning Tokens 0 48,333
Response Time (avg) 2.53s 2.21s
Response Time (max) 6.70s 14.63s
Response Time (total) 45.46s 37.51s

Top Models by Score

Score vs Total Cost

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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-Lite 3.0 5.9 16.7% 2 2.43s 709 0
Mercury 2 6.9 9.9 50.0% 0 1.12s 2,546 2,609
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
Mercury 2 10.0 10.0 100.0% 0 1.53s 249 2,213
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
Mercury 2 10.0 10.0 100.0% 0 3.28s 268 4,887
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
Mercury 2 7.3 5.9 83.3% 1 1.11s 183 1,656
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
Mercury 2 2.9 7.2 11.1% 1 6.48s 41 30,754
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
Mercury 2 4.8 10.0 0.0% 0 821ms 137 542
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
Mercury 2 10.0 10.0 100.0% 0 1.07s 14 958
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
Mercury 2 3.9 7.5 22.2% 1 934ms 354 2,758
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
Mercury 2 10.0 10.0 100.0% 0 1.89s 180 1,956

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