AI BENCHY
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#257

KAT-Coder-Air V2.5

Kwaipilot Release: 2026-07-14 Tested on: 2026-08-14 03:15 kwaipilot/kat-coder-air-v2.5::none
~35B total (~3B active)MoEClosedEstimated

Summary

KAT-Coder-Air V2.5 scores 4.8 on AI BENCHY and ranks #257. It has 10.0 reliability, a 36.4% pass rate, $0.070 total cost, and 12.46s average response time.

What makes KAT-Coder-Air V2.5 unique: It stands out most in Instructions following, where it ranks #1, while Puzzle Solving is its weakest area at #12.

Model facts

Researched on 2026-08-12

Estimated
Parameters
~35B total (~3B active)
Architecture
MoE
Availability
Closed
License
-

Best estimate from public evidence; the vendor did not disclose every value. Weights were announced but were not available for the exact checkpoint at research time.

Score

4.8

Consistency

7.2

Total Output Tokens

97,752

Total Input Tokens

69,376

Input Price

$0.150 / 1M

Output Price

$0.600 / 1M

Tests Correct

Wrong Tests: 17

Attempt pass rate: 36.4%

Flaky tests

7

Flaky tests had mixed outcomes across runs (at least one pass and one fail).

Response Time (avg)

12.46s

Response Time (max): 121.05s

Response Time (total): 274.11s

Hamster playing table tennis

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

#257 KAT-Coder-Air V2.5

none
Cost
$0.002
Time
14.5s
Tokens
2,619 tok

Run history

Tested on Score Reliability Tests Correct Total Cost Compare
2026-08-14 03:15 Re-test 4.8 10.0 $0.070 Current run
2026-07-16 23:28 New test added 4.8 10.0 $0.067 Compare
2026-07-14 11:05 Initial run 4.9 10.0 $0.037 Compare

This run used a different benchmark suite. Keep suite changes in mind when reading historical movement.

Run comparison

RunBenchmark coverageScoreConsistencyReliabilityTests CorrectFlaky testsTotal Output TokensTotal Input TokensTotal CostResponse Time (avg)
2026-08-14 03:15 · Current run66/66 attempts4.87.210.05/22797,75269,376$0.07012.46s
2026-07-14 11:05 · Initial run63/63 attempts4.97.110.05/21749,93341,328$0.0376.99s
Difference-0.1+0.10.000+47819+28048+$0.033+5470ms

Benchmark coverage differs: 66/66 attempts (Target: 3 repeats per test) versus 63/63 attempts (Target: 3 repeats per test). Totals and repeat-sensitive metrics are not directly comparable.

These two runs used different benchmark suites, so the deltas reflect both model changes and suite changes.

Price History

Historical pricing data for this model from OpenRouter.

Date Input Price Output Price
2026-08-14 12:51 $0.150 / 1M $0.600 / 1M

Charts

Choose the first model, then click a second model to open a side-by-side page.

Total Output Tokens

Score vs Total Output Tokens

Quick Compare

Category Breakdown

Category Score Consistency Tests Correct
Anti-AI Tricks 5.3 5.6
Coding 3.3 9.6
Combined 3.8 1.6
Data parsing and extraction 6.3 5.8
Domain specific 3.0 10.0
General Intelligence 5.0 10.0
Instructions following 9.9 10.0
Puzzle Solving 2.9 4.4
Tool Calling 10.0 10.0
Trivia 3.0 10.0

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