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KAT-Coder-Pro V2.5 (medium) vs Beam 1.0 501B A23B (high)

KAT-Coder-Pro V2.5 (medium) leads on average score with 6.2 vs 6.1. KAT-Coder-Pro V2.5 (medium) has the lower benchmark cost at $0.669 vs $0.674. Beam 1.0 501B A23B (high) is faster at 9.03s vs 23.94s, with pass rates of 62.3% vs 59.4%.

Last updated at: 2026-10-17

Compared models

Rank
#260
Total Output Tokens
139,375
Response Time (avg)
23.94s
Total Cost
$0.669
Rank
#266
Total Output Tokens
147,207
Response Time (avg)
9.03s
Total Cost
$0.674
Recommended model Beam 1.0 501B A23B (high)

Its score stays close to the best score here (6.1 vs 6.2), while responding about 2.7x faster than KAT-Coder-Pro V2.5 (medium).

Detailed comparison

Metric KAT-Coder-Pro V2.5 KAT-Coder-Pro V2.5 medium Release: 2026-07-14 Beam 1.0 501B A23B Beam 1.0 501B A23B high Release: 2026-10-17
Score 6.2 6.1
Rank #260 #266
Reliability 10.0 10.0
Consistency 7.2 8.3
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 62.3% 59.4%
Flaky tests 8 5
Total Runs 69 69
Cost per result 4.342 6.126
Total Cost $0.669 $0.674
Input Price $0.740 / 1M $1.000 / 1M
Output Price $2.960 / 1M $3.000 / 1M
Cache Read Price $0.150 / 1M $0.100 / 1M
Cache Write Price N/A N/A
Total Input Tokens 87,916 232,218
Output Tokens 7,213 4,944
Reasoning Tokens 132,162 142,263
Response Time (avg) 23.94s 9.03s
Response Time (max) 257.00s 36.04s
Response Time (total) 550.52s 207.67s
Parameters ~700B total (~72B active) 501B total (23B active)
Availability Closed Open source

Cache prices apply to input tokens. Reads reuse cached prompts; writes store them and can cost extra. Output tokens use the output price.

Model generation showcase

Hamster playing table tennis

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

#260 KAT-Coder-Pro V2.5

medium
Cost
$0.009
Time
25.6s
Tokens
2,939 tok

#266 Beam 1.0 501B A23B

high
Cost
$0.008
Time
15.6s
Tokens
6,162 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-Pro V2.5 7.8 10.0 66.7% 0 33.10s 7,893 416 33,658
Beam 1.0 501B A23B 8.4 7.4 88.9% 1 21.05s 7,800 559 44,608

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