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DeepSeek: DeepSeek V4 Flash vs Kwaipilot: KAT-Coder-Air V2.5

Summary

KAT-Coder-Air V2.5 (high) leads on average score with 5.6 vs 5.6. DeepSeek V4 Flash has the lower benchmark cost at $0.044 vs $0.077. KAT-Coder-Air V2.5 (high) is faster at 15.90s vs 36.78s, with pass rates of 31.8% vs 43.9%.

Recommended modelKAT-Coder-Air V2.5 (high)It has the best score here (5.6), while responding about 2.3x faster than DeepSeek V4 Flash.

Last updated at: 2026-07-17

Metric DeepSeek V4 Flash DeepSeek V4 Flash none Release: 2026-04-24 KAT-Coder-Air V2.5 KAT-Coder-Air V2.5 high Release: 2026-07-14
Score 5.6 5.6
Rank #143 #137
Reliability 10.0 9.9
Consistency 8.5 7.7
Tests Correct
Attempt pass rate 31.8% 43.9%
Flaky tests 4 6
Total Runs 66 66
Cost per result 0.917 1.097
Total Cost $0.044 $0.077
Input Price $0.098 / 1M $0.150 / 1M
Output Price $0.196 / 1M $0.600 / 1M
Total Input Tokens 240,221 50,470
Output Tokens 100,727 3,957
Reasoning Tokens 0 111,374
Response Time (avg) 36.78s 15.90s
Response Time (max) 247.27s 118.35s
Response Time (total) 809.09s 349.71s

Generation showcase

Hamster playing table tennis

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

#143 DeepSeek V4 Flash

none
Cost
$0.004
Time
157.6s
Tokens
11,297 tok

#137 KAT-Coder-Air V2.5

high
Invalid SVG
Cost
$0.000
Time
300.0s
Tokens
0 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
DeepSeek V4 Flash 4.2 7.4 11.1% 1 17.13s 7,279 9,717 0
KAT-Coder-Air V2.5 4.3 7.3 11.1% 1 39.07s 6,948 1,166 55,883

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