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ByteDance Seed: Seed-2.0-Lite vs xAI: Grok 4.20

Last updated at: 2026-04-14

Metric Seed-2.0-Lite Seed-2.0-Lite none Release: 2026-02-14 Grok 4.20 Grok 4.20 medium Release: 2026-03-31
Score 6.2 7.0
Rank #58 #44
Consistency 7.7 7.8
Tests Correct
Attempt pass rate 55.6% 66.7%
Flaky tests 5 5
Total Runs 54 54
Cost per result 0.200 8.252
Total Cost $0.016 $0.743
Input Price $0.250 / 1M $2.000 / 1M
Output Price $2.000 / 1M $6.000 / 1M
Output Tokens 3,129 1,744
Reasoning Tokens 0 109,882
Response Time (avg) 2.53s 10.33s
Response Time (max) 6.70s 29.87s
Response Time (total) 45.46s 185.87s

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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
Grok 4.20 8.2 7.9 83.3% 1 3.36s 280 8,476
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
Grok 4.20 4.3 1.1 66.7% 1 24.33s 250 12,804
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
Grok 4.20 10.0 10.0 100.0% 0 17.40s 232 9,556
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
Grok 4.20 10.0 10.0 100.0% 0 4.17s 180 5,333
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
Grok 4.20 5.3 10.0 33.3% 0 27.03s 375 49,339
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
Grok 4.20 5.8 2.8 66.7% 1 7.09s 47 4,252
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
Grok 4.20 7.3 5.9 83.3% 1 4.42s 40 5,474
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
Grok 4.20 6.4 7.7 55.6% 1 3.89s 143 8,028
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
Grok 4.20 3.0 10.0 0.0% 0 13.68s 197 6,620

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