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Kimi K2.5 (medium) vs Beam 1.0 501B A23B (low)

The average score is effectively tied at 6.4 vs 6.4. Beam 1.0 501B A23B (low) has the lower benchmark cost at $0.432 vs $0.841. Beam 1.0 501B A23B (low) is faster at 4.89s vs 125.76s, with pass rates of 60.9% vs 60.9%.

Last updated at: 2026-10-17

Compared models

Rank
#237
Total Output Tokens
209,217
Response Time (avg)
125.76s
Total Cost
$0.841
Rank
#238
Total Output Tokens
71,250
Response Time (avg)
4.89s
Total Cost
$0.432
Recommended model Beam 1.0 501B A23B (low)

It has the best score here (6.4), while costing about 1.9x less than Kimi K2.5 (medium).

Detailed comparison

Metric Kimi K2.5 Kimi K2.5 medium Release: 2026-01-27 Beam 1.0 501B A23B Beam 1.0 501B A23B low Release: 2026-10-17
Score 6.4 6.4
Rank #237 #238
Reliability 9.6 10.0
Consistency 7.1 8.0
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 60.9% 60.9%
Flaky tests 8 6
Total Runs 69 69
Cost per result 6.085 3.926
Total Cost $0.841 $0.432
Input Price $0.450 / 1M $1.000 / 1M
Output Price $2.250 / 1M $3.000 / 1M
Cache Read Price $0.070 / 1M $0.100 / 1M
Cache Write Price N/A N/A
Total Input Tokens 292,271 218,076
Output Tokens 55,025 4,863
Reasoning Tokens 186,071 66,387
Response Time (avg) 125.76s 4.89s
Response Time (max) 566.79s 29.49s
Response Time (total) 2137.84s 112.55s
Parameters 1T total (32B active) 501B total (23B active)
Availability Weights available 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.

#237 MoonshotAI: Kimi K2.5

medium
Cost
$0.030
Time
58.6s
Tokens
8,683 tok

#238 Beam 1.0 501B A23B

low
Cost
$0.006
Time
12.0s
Tokens
4,777 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
Kimi K2.5 6.1 4.6 66.7% 2 217.49s 6,935 5,705 74,693
Beam 1.0 501B A23B 10.0 10.0 100.0% 0 7.29s 7,791 569 17,401

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