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Claude Opus 4.8 vs Kimi K2.6 (medium)

The average score is effectively tied at 6.9 vs 6.8. Kimi K2.6 (medium) has the lower benchmark cost at $1.594 vs $2.334. Claude Opus 4.8 is faster at 7.54s vs 121.25s, with pass rates of 60.9% vs 60.9%.

Last updated at: 2026-10-16

Compared models

Rank
#195
Total Output Tokens
24,343
Response Time (avg)
7.54s
Total Cost
$2.334
Rank
#196
Total Output Tokens
344,502
Response Time (avg)
121.25s
Total Cost
$1.594
Recommended model Claude Opus 4.8

It has the best score here (6.9), while responding about 16.1x faster than Kimi K2.6 (medium).

Detailed comparison

Metric Claude Opus 4.8 Claude Opus 4.8 none Release: 2026-05-28 Kimi K2.6 Kimi K2.6 medium Release: 2026-04-20
Score 6.9 6.8
Rank #195 #196
Reliability 10.0 10.0
Consistency 9.3 8.4
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 60.9% 60.9%
Flaky tests 2 4
Total Runs 69 69
Cost per result 17.953 12.282
Total Cost $2.334 $1.594
Input Price $5.000 / 1M $0.950 / 1M
Output Price $25.000 / 1M $4.000 / 1M
Cache Read Price $0.500 / 1M $0.160 / 1M
Cache Write Price $6.250 / 1M N/A
Total Input Tokens 345,059 226,880
Output Tokens 24,343 65,346
Reasoning Tokens 0 331,325
Response Time (avg) 7.54s 121.25s
Response Time (max) 65.07s 876.20s
Response Time (total) 173.31s 2667.55s
Parameters ~5T total (~500B active) 1T total (32B active)
Availability Closed Weights available

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.

#195 Claude Opus 4.8

none
Cost
$0.053
Time
22.0s
Tokens
2,253 tok

#196 MoonshotAI: Kimi K2.6

medium
Cost
$0.013
Time
103.4s
Tokens
3,620 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
Claude Opus 4.8 5.5 10.0 33.3% 0 3.29s 10,590 1,332 0
Kimi K2.6 5.7 8.6 33.3% 0 214.42s 2,925 9,970 77,189

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