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Kimi K2.5 (medium) vs Grok 4.3 (medium)

Grok 4.3 (medium) leads on average score with 7.1 vs 7.0. Kimi K2.5 (medium) has the lower benchmark cost at $0.600 vs $0.779. Grok 4.3 (medium) is faster at 47.45s vs 99.00s, with pass rates of 65.2% vs 68.2%.

Last updated at: 2026-07-28

Rank
#87
Total Output Tokens
227,367
Response Time (avg)
99.00s
Total Cost
$0.600
Rank
#83
Total Output Tokens
241,421
Response Time (avg)
47.45s
Total Cost
$0.779
Recommended model Grok 4.3 (medium)

It has the best score here (7.1), while responding about 2.1x faster than Kimi K2.5 (medium).

Detailed comparison

Metric Kimi K2.5 Kimi K2.5 medium Release: 2026-01-27 Grok 4.3 Grok 4.3 medium Release: 2026-05-01
Score 7.0 7.1
Rank #87 #83
Reliability 10.0 10.0
Consistency 7.0 8.6
Tests Correct
Attempt pass rate 65.2% 68.2%
Flaky tests 8 4
Total Runs 66 66
Cost per result 4.789 5.990
Total Cost $0.600 $0.779
Input Price $0.571 / 1M $1.250 / 1M
Output Price $2.850 / 1M $2.500 / 1M
Total Input Tokens 118,448 140,031
Output Tokens 62,124 13,739
Reasoning Tokens 165,243 227,682
Response Time (avg) 99.00s 47.45s
Response Time (max) 281.00s 216.69s
Response Time (total) 1485.04s 1043.83s

Model generation showcase

Hamster playing table tennis

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

#87 MoonshotAI: Kimi K2.5

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

#83 xAI: Grok 4.3

medium
Cost
$0.009
Time
19.0s
Tokens
3,661 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 K2.5 6.1 4.6 66.7% 2 217.49s 6,935 5,705 74,693
Grok 4.3 5.9 7.7 44.4% 1 41.23s 8,340 1,028 31,226

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