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Kimi K2.6 vs GPT-6 Luna

The average score is effectively tied at 5.5 vs 5.5. GPT-6 Luna has the lower benchmark cost at $0.026 vs $0.486. GPT-6 Luna is faster at 20.48s vs 26.34s, with pass rates of 30.4% vs 40.6%.

Last updated at: 2026-10-26

Compared models

Rank
#325
Total Output Tokens
64,022
Response Time (avg)
26.34s
Total Cost
$0.486
Rank
#328
Total Output Tokens
6,855
Response Time (avg)
20.48s
Total Cost
$0.026
Recommended model GPT-6 Luna

It has the best score here (5.5), while costing about 18.9x less than Kimi K2.6.

Detailed comparison

Metric Kimi K2.6 Kimi K2.6 none Release: 2026-04-20 GPT-6 Luna GPT-6 Luna none Release: 2026-09-23
Score 5.5 5.5
Rank #325 #328
Reliability 10.0 9.9
Consistency 9.0 8.2
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 30.4% 40.6%
Flaky tests 3 5
Total Runs 69 69
Cost per result 6.999 0.367
Total Cost $0.486 $0.026
Input Price $0.950 / 1M $0.100 / 1M
Output Price $4.000 / 1M $0.500 / 1M
Cache Read Price $0.160 / 1M $0.010 / 1M
Cache Write Price N/A $0.125 / 1M
Total Input Tokens 241,357 222,357
Output Tokens 64,021 6,855
Reasoning Tokens 1 0
Response Time (avg) 26.34s 20.48s
Response Time (max) 238.89s 98.62s
Response Time (total) 605.78s 470.96s
Parameters 1T total (32B active) ~400B total (~17B active)
Availability Weights available Closed

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.

#325 MoonshotAI: Kimi K2.6

none
Cost
$0.020
Time
127.4s
Tokens
4,429 tok

#328 GPT-6 Luna

none
Cost
$0.002
Time
26.0s
Tokens
3,235 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 K2.6 5.5 9.8 33.3% 0 82.57s 5,986 14,754 0
GPT-6 Luna 5.5 10.0 33.3% 0 8.04s 7,302 376 0

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