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ByteDance Seed: Seed-2.0-Lite vs Kwaipilot: KAT-Coder-Air V2.5

Summary

Seed-2.0-Lite leads on average score with 6.2 vs 6.0. Seed-2.0-Lite has the lower benchmark cost at $0.019 vs $0.030. Seed-2.0-Lite is faster at 2.49s vs 6.47s, with pass rates of 46.0% vs 46.0%.

Recommended modelSeed-2.0-LiteIt has the best score here (6.2), while costing about 1.6x less than KAT-Coder-Air V2.5 (low).

Last updated at: 2026-07-14

Metric Seed-2.0-Lite Seed-2.0-Lite none Release: 2026-02-14 KAT-Coder-Air V2.5 KAT-Coder-Air V2.5 low Release: 2026-07-14
Score 6.2 6.0
Rank #112 #124
Reliability 10.0 9.7
Consistency 8.4 7.6
Tests Correct
Attempt pass rate 46.0% 46.0%
Flaky tests 4 6
Total Runs 63 63
Cost per result 0.228 0.427
Total Cost $0.019 $0.030
Input Price $0.250 / 1M $0.150 / 1M
Output Price $2.000 / 1M $0.600 / 1M
Total Input Tokens 46,573 42,464
Output Tokens 3,259 4,227
Reasoning Tokens 0 34,864
Response Time (avg) 2.49s 6.47s
Response Time (max) 6.70s 25.49s
Response Time (total) 52.26s 135.80s

Generation showcase

Hamster playing table tennis

Prompt: Create a detailed SVG illustration of a hamster playing table tennis.

#112 Seed-2.0-Lite

none
Cost
$0.005
Time
83.8s
Tokens
2,311 tok

#124 KAT-Coder-Air V2.5

low
Cost
$0.004
Time
29.9s
Tokens
6,008 tok

Top Models by Score

Score vs Total Cost

Response Time (avg)

Score vs Response Time (avg)

Total Output Tokens

Score vs Total Output Tokens

Category Breakdown

Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Seed-2.0-Lite 5.6 10.0 33.3% 0 2.83s 8,215 410 0
KAT-Coder-Air V2.5 3.5 7.3 11.1% 1 11.06s 7,893 2,001 13,623

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