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Kimi K3.1 Pro (high) vs Grok 4.5 (high)

Grok 4.5 (high) leads on average score with 8.2 vs 8.2. Kimi K3.1 Pro (high) has the lower benchmark cost at $1.646 vs $2.687. Kimi K3.1 Pro (high) is faster at 54.31s vs 72.50s, with pass rates of 79.7% vs 82.6%.

Last updated at: 2026-10-24

Compared models

Rank
#107
Total Output Tokens
114,612
Response Time (avg)
54.31s
Total Cost
$1.646
Rank
#103
Total Output Tokens
333,632
Response Time (avg)
72.50s
Total Cost
$2.687
Recommended model Kimi K3.1 Pro (high)

Its score stays close to the best score here (8.2 vs 8.2), while costing about 1.6x less than Grok 4.5 (high).

Detailed comparison

Metric Kimi K3.1 Pro Kimi K3.1 Pro high Release: 2026-10-24 Grok 4.5 Grok 4.5 high Release: 2026-07-08
Score 8.2 8.2
Rank #107 #103
Reliability 8.5 10.0
Consistency 8.4 8.9
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 79.7% 82.6%
Flaky tests 5 3
Total Runs 69 69
Cost per result 10.288 15.123
Total Cost $1.646 $2.687
Input Price $2.000 / 1M $2.000 / 1M
Output Price $10.000 / 1M $6.000 / 1M
Cache Read Price $0.200 / 1M $0.300 / 1M
Cache Write Price N/A N/A
Total Input Tokens 249,927 342,124
Output Tokens 10,175 7,135
Reasoning Tokens 104,437 326,497
Response Time (avg) 54.31s 72.50s
Response Time (max) 601.80s 676.83s
Response Time (total) 1249.02s 1667.51s
Parameters ~2.8T total (~104B active) ~1.7T total (~170B active)
Availability Closed 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.

#107 MoonshotAI: Kimi K3.1 Pro

high
Cost
$0.074
Time
141.9s
Tokens
7,498 tok

#103 SpaceXAI: Grok 4.5

high
Cost
$0.015
Time
29.7s
Tokens
2,737 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 K3.1 Pro 10.0 10.0 100.0% 0 24.94s 8,070 464 9,637
Grok 4.5 10.0 10.0 100.0% 0 155.16s 9,579 357 100,752

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