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Kwaipilot: KAT-Coder-Air V2.5 vs Mistral: Mistral Small 4

KAT-Coder-Air V2.5 (low) leads on average score with 5.4 vs 5.1. Mistral Small 4 has the lower benchmark cost at $0.022 vs $0.041. Mistral Small 4 is faster at 1.20s vs 10.09s, with pass rates of 45.5% vs 25.8%.

Recommended modelMistral Small 4Its score stays close to the best score here (5.1 vs 5.4), while costing about 1.9x less than KAT-Coder-Air V2.5 (low).

Last updated at: 2026-07-17

Metric KAT-Coder-Air V2.5 KAT-Coder-Air V2.5 low Release: 2026-07-14 Mistral Small 4 Mistral Small 4 none Release: 2026-03-16
Score 5.4 5.1
Rank #151 #157
Reliability 9.9 10.0
Consistency 7.4 9.6
Tests Correct
Attempt pass rate 45.5% 25.8%
Flaky tests 7 1
Total Runs 66 66
Cost per result 0.585 0.432
Total Cost $0.041 $0.022
Input Price $0.150 / 1M $0.150 / 1M
Output Price $0.600 / 1M $0.600 / 1M
Total Input Tokens 61,085 104,708
Output Tokens 5,905 9,812
Reasoning Tokens 46,990 0
Response Time (avg) 10.09s 1.20s
Response Time (max) 86.23s 13.16s
Response Time (total) 222.03s 26.38s

Hamster playing table tennis

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

#151 KAT-Coder-Air V2.5

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

#157 Mistral Small 4

none
Cost
$0.002
Time
10.4s
Tokens
2,370 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
KAT-Coder-Air V2.5 3.5 7.3 11.1% 1 11.06s 7,893 2,001 13,623
Mistral Small 4 3.7 9.7 0.0% 0 901ms 7,636 619 0

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