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Kimi K2.7 Code (medium) vs GPT 5.3 Chat

The average score is effectively tied at 7.4 vs 7.5. GPT 5.3 Chat has the lower benchmark cost at $0.533 vs $0.709. GPT 5.3 Chat is faster at 6.56s vs 80.09s, with pass rates of 63.6% vs 65.2%.

Last updated at: 2026-09-10

Compared models

Rank
#114
Total Output Tokens
239,546
Response Time (avg)
80.09s
Total Cost
$0.709
Rank
#105
Total Output Tokens
28,179
Response Time (avg)
6.56s
Total Cost
$0.533
Recommended model GPT 5.3 Chat

It has the best score here (7.5), while responding about 12.2x faster than Kimi K2.7 Code (medium).

Detailed comparison

Metric Kimi K2.7 Code Kimi K2.7 Code medium Release: 2026-06-12 GPT 5.3 Chat GPT 5.3 Chat none Release: 2026-03-03
Score 7.4 7.5
Rank #114 #105
Reliability 10.0 10.0
Consistency 8.0 8.6
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 63.6% 65.2%
Flaky tests 5 4
Total Runs 66 66
Cost per result 7.096 4.097
Total Cost $0.709 $0.533
Input Price $0.710 / 1M $1.750 / 1M
Output Price $3.500 / 1M $14.000 / 1M
Total Input Tokens 72,085 78,846
Output Tokens 57,453 28,179
Reasoning Tokens 182,093 0
Response Time (avg) 80.09s 6.56s
Response Time (max) 365.80s 18.33s
Response Time (total) 1681.85s 137.77s
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.

#114 MoonshotAI: Kimi K2.7 Code

medium
Cost
$0.025
Time
138.0s
Tokens
6,093 tok

#105 GPT 5.3 Chat

none
Cost
$0.008
Time
8.1s
Tokens
634 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 K2.7 Code 7.8 9.3 66.7% 0 146.73s 4,650 1,864 25,635
GPT 5.3 Chat 5.6 4.7 55.6% 2 10.52s 7,302 6,632 0

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