Navigate
Advertise here

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

Grok 4.3 (medium) leads on average score with 6.5 vs 6.4. Kimi K2.5 (medium) has the lower benchmark cost at $0.841 vs $0.989. Grok 4.3 (medium) is faster at 44.53s vs 125.76s, with pass rates of 60.9% vs 63.8%.

Last updated at: 2026-10-03

Compared models

Rank
#208
Total Output Tokens
241,096
Response Time (avg)
125.76s
Total Cost
$0.841
Rank
#202
Total Output Tokens
232,542
Response Time (avg)
44.53s
Total Cost
$0.989
Recommended model Grok 4.3 (medium)

It has the best score here (6.5), while responding about 2.8x 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 6.4 6.5
Rank #208 #202
Reliability 9.6 10.0
Consistency 7.1 8.3
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 60.9% 63.8%
Flaky tests 8 5
Total Runs 69 69
Cost per result 6.085 8.235
Total Cost $0.841 $0.989
Input Price $0.450 / 1M $1.250 / 1M
Output Price $2.250 / 1M $2.500 / 1M
Cache Read Price $0.070 / 1M $0.200 / 1M
Cache Write Price N/A N/A
Total Input Tokens 292,271 325,471
Output Tokens 55,025 14,867
Reasoning Tokens 186,071 217,675
Response Time (avg) 125.76s 44.53s
Response Time (max) 566.79s 216.69s
Response Time (total) 2137.84s 1024.25s
Parameters 1T total (32B active) ~1.5T total (~150B 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.

#208 MoonshotAI: Kimi K2.5

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

#202 SpaceXAI: 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

Quick Compare

Switch Comparison Pair