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Kimi K3 (max) vs GPT-6 Luna (medium)

The average score is effectively tied at 8.3 vs 8.3. GPT-6 Luna (medium) has the lower benchmark cost at $0.047 vs $3.409. GPT-6 Luna (medium) is faster at 18.07s vs 139.41s, with pass rates of 78.3% vs 73.9%.

Last updated at: 2026-10-26

Compared models

Rank
#102
Total Output Tokens
233,327
Response Time (avg)
139.41s
Total Cost
$3.409
Rank
#103
Total Output Tokens
53,161
Response Time (avg)
18.07s
Total Cost
$0.047
Recommended model GPT-6 Luna (medium)

It has the best score here (8.3), while costing about 72.7x less than Kimi K3 (max).

Detailed comparison

Metric Kimi K3 Kimi K3 max Release: 2026-07-16 GPT-6 Luna GPT-6 Luna medium Release: 2026-09-23
Score 8.3 8.3
Rank #102 #103
Reliability 9.3 10.0
Consistency 9.3 8.9
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 78.3% 73.9%
Flaky tests 2 3
Total Runs 69 69
Cost per result 23.601 0.313
Total Cost $3.409 $0.047
Input Price $0.830 / 1M $0.100 / 1M
Output Price $14.000 / 1M $0.500 / 1M
Cache Read Price $0.270 / 1M $0.010 / 1M
Cache Write Price N/A $0.125 / 1M
Total Input Tokens 170,700 203,193
Output Tokens 7,719 5,751
Reasoning Tokens 225,608 47,410
Response Time (avg) 139.41s 18.07s
Response Time (max) 766.58s 66.44s
Response Time (total) 2788.26s 415.53s
Parameters 2.8T total (104B 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.

#102 MoonshotAI: Kimi K3

max
Cost
$0.281
Time
506.9s
Tokens
18,863 tok

#103 GPT-6 Luna

medium
Cost
$0.002
Time
23.6s
Tokens
2,966 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 K3 10.0 10.0 100.0% 0 325.79s 8,061 460 84,012
GPT-6 Luna 6.6 4.6 77.8% 2 23.63s 7,302 438 10,222

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