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Kimi K2.6 vs GPT-6 Luna

Kimi K2.6 leads on average score with 5.7 vs 5.6. GPT-6 Luna has the lower benchmark cost at $0.012 vs $0.233. GPT-6 Luna is faster at 19.08s vs 19.57s, with pass rates of 30.3% vs 42.4%.

Last updated at: 2026-09-23

Compared models

Rank
#254
Total Output Tokens
30,249
Response Time (avg)
19.57s
Total Cost
$0.233
Rank
#260
Total Output Tokens
5,508
Response Time (avg)
19.08s
Total Cost
$0.012
Recommended model GPT-6 Luna

Its score stays close to the best score here (5.6 vs 5.7), while costing about 20.2x 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 5.7 5.6
Rank #254 #260
Reliability 10.0 9.9
Consistency 9.3 8.1
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 30.3% 42.4%
Flaky tests 2 5
Total Runs 66 66
Cost per result 3.732 0.164
Total Cost $0.233 $0.012
Input Price $0.950 / 1M $0.100 / 1M
Output Price $4.000 / 1M $0.500 / 1M
Total Input Tokens 116,983 87,216
Output Tokens 30,249 5,508
Reasoning Tokens 0 0
Response Time (avg) 19.57s 19.08s
Response Time (max) 238.89s 98.62s
Response Time (total) 430.58s 419.83s
Parameters 1T total (32B active) ~400B total (~17B active)
Availability Weights available Closed

Model generation showcase

Hamster playing table tennis

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

#254 MoonshotAI: Kimi K2.6

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

#260 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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