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ByteDance Seed: Seed-2.0-Mini vs MoonshotAI: Kimi K2.5

Last updated at: 2026-05-19

Metric Seed-2.0-Mini Seed-2.0-Mini medium Release: 2026-02-14 Kimi K2.5 Kimi K2.5 medium Release: 2026-01-27
Score 7.2 6.8
Rank #63 #76
Reliability 3.3 10.0
Consistency 9.2 7.0
Tests Correct
Attempt pass rate 63.2% 68.4%
Flaky tests 2 7
Total Runs 57 57
Cost per result 0.339 2.616
Total Cost $0.038 $0.236
Input Price $0.100 / 1M $0.400 / 1M
Output Price $0.400 / 1M $1.900 / 1M
Output Tokens 2,469 42,188
Reasoning Tokens 81,017 92,514
Response Time (avg) 68.89s 73.39s
Response Time (max) 262.83s 150.77s
Response Time (total) 1102.23s 880.65s

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Score vs Total Cost

Response Time (avg)

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-Mini 6.6 10.0 50.0% 0 74.75s 360 9,520
Kimi K2.5 7.3 5.8 83.3% 2 51.38s 2,789 8,880
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Seed-2.0-Mini 10.0 10.0 100.0% 0 197.31s 448 20,614
Kimi K2.5 4.7 1.6 66.7% 1 150.77s 1,269 9,749
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Seed-2.0-Mini 10.0 10.0 100.0% 0 262.83s 404 29,806
Kimi K2.5 10.0 10.0 100.0% 0 71.37s 703 3,713
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Seed-2.0-Mini 10.0 10.0 100.0% 0 24.27s 246 2,743
Kimi K2.5 10.0 10.0 100.0% 0 49.78s 563 7,940
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Seed-2.0-Mini 3.0 10.0 0.0% 0 0ms 0 0
Kimi K2.5 3.5 4.4 33.3% 2 137.29s 20,753 30,564
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Seed-2.0-Mini 5.1 3.4 33.3% 1 36.65s 213 4,210
Kimi K2.5 6.5 3.4 66.7% 1 69.73s 3,815 4,262
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Seed-2.0-Mini 10.0 10.0 100.0% 0 17.47s 69 2,050
Kimi K2.5 10.0 10.0 100.0% 0 92.47s 5,371 6,547
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Seed-2.0-Mini 8.2 7.2 88.9% 1 25.85s 457 5,060
Kimi K2.5 5.3 7.3 44.4% 1 45.40s 6,671 12,403
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Seed-2.0-Mini 10.0 10.0 100.0% 0 88.68s 222 5,235
Kimi K2.5 10.0 10.0 100.0% 0 31.74s 242 812
Trivia Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Seed-2.0-Mini 3.0 10.0 0.0% 0 56.76s 50 1,779
Kimi K2.5 3.0 10.0 0.0% 0 83.95s 12 7,644

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