Advertise here
#208

Kimi K2.5

Moonshot AI Release: 2026-01-27 Tested on: 2026-10-01 01:36 moonshotai/kimi-k2.5::medium
1T total (32B active)MoEWeights available
(medium) (none)

Summary

Kimi K2.5 scores 6.4 on AI BENCHY and ranks #208. It has 9.6 reliability, a 60.9% pass rate, $0.841 total cost, and 125.76s average response time.

What makes Kimi K2.5 unique: It stands out most in Instructions following, where it ranks #1, while Domain specific is its weakest area at #15.

Model facts

Researched on 2026-08-12

Reported
Parameters
1T total (32B active)
Architecture
MoE
Availability
Weights available
License
Modified MIT
Parameter source Availability source

Score

6.4

Consistency

7.1

Reliability

9.6

Total Cost (Current Price)

$0.841 ↑ +38.2%

Tested at: $0.609

Total Output Tokens

241,096

Total Input Tokens

292,271

Input Price

$0.450 / 1M

Output Price

$2.250 / 1M

Cache Read Price

$0.070 / 1M

Cache Write Price

N/A

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

Tests Correct

Wrong Tests: 13

Attempt pass rate: 60.9%

Flaky tests

8

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

Response Time (avg)

125.76s

Response Time (max): 566.79s

Response Time (total): 2137.84s

Wrong answer: 5 Timed out: 3 Did not follow instructions: 2 No answer: 2 Invalid tool call: 1

Hamster playing table tennis

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

#208 MoonshotAI: Kimi K2.5

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

Run history

Tested on Score Reliability Tests Correct Total Cost Compare
2026-10-01 01:36 Re-test 6.4 9.6 $0.841 ↑ Current run
2026-07-16 22:17 New test added 7.0 10.0 $0.600 ↑ Compare
2026-06-04 13:43 New test added 6.8 10.0 $0.328 ↓ Compare
2026-05-22 00:12 Suite changed 6.7 10.0 $0.314 Compare
2026-04-20 17:48 First recorded run 7.0 N/A $0.220 Compare

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

Price History

Historical pricing data for this model from OpenRouter.

Date Input Price Output Price Cache Read Price Cache Write Price
2026-06-04 15:40 $0.400 / 1M $1.900 / 1M N/A N/A
2026-06-17 10:07 $0.375 / 1M $2.025 / 1M N/A N/A
2026-08-14 12:51 $0.571 / 1M $2.850 / 1M N/A N/A
2026-10-01 18:33 $0.450 / 1M $2.250 / 1M $0.070 / 1M N/A

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

Kimi K2.5mediumvsSolar Pro 4mediumKimi K2.5mediumvsMercury 2.5mediumKimi K2.5mediumvsGemini 3 Flash PreviewnoneKimi K2.5mediumvsGemini 3.5 FlashminimalKimi K2.5mediumvsQwen3.5-122B-A10BnoneKimi K2.5mediumvsMiMo-V2.5-PromediumKimi K2.5mediumvsLaguna XS 2.1mediumFree AvailableKimi K2.5mediumvsDots 3 Note PreviewhighFree AvailableKimi K2.5mediumvsGrok 4.3mediumKimi K2.5mediumvsDots 3 Note PreviewlowFree Available

Category Breakdown

Category Score Consistency Tests Correct
Agentic 3.9 9.6
Anti-AI Tricks 7.3 5.8
Coding 6.1 4.6
Combined 6.7 9.1
Data parsing and extraction 10.0 10.0
Domain specific 2.9 4.4
General Intelligence 6.5 3.4
Instructions following 10.0 10.0
Puzzle Solving 5.3 7.3
Tool Calling 10.0 10.0
Trivia 3.0 10.0

Compared models