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Claude Opus 4.8 vs Kimi K2.7 Code (medium)

Kimi K2.7 Code (medium) leads on average score with 7.0 vs 6.9. Kimi K2.7 Code (medium) has the lower benchmark cost at $0.861 vs $2.334. Claude Opus 4.8 is faster at 7.54s vs 81.18s, with pass rates of 60.9% vs 60.9%.

Last updated at: 2026-10-01

Compared models

Rank
#167
Total Output Tokens
24,343
Response Time (avg)
7.54s
Total Cost
$2.334
Rank
#156
Total Output Tokens
259,318
Response Time (avg)
81.18s
Total Cost
$0.861
Recommended model Claude Opus 4.8

Its score stays close to the best score here (6.9 vs 7.0), while responding about 10.8x faster than Kimi K2.7 Code (medium).

Detailed comparison

Metric Claude Opus 4.8 Claude Opus 4.8 none Release: 2026-05-28 Kimi K2.7 Code Kimi K2.7 Code medium Release: 2026-06-12
Score 6.9 7.0
Rank #167 #156
Reliability 10.0 10.0
Consistency 9.3 8.1
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 60.9% 60.9%
Flaky tests 2 5
Total Runs 69 69
Cost per result 17.953 8.755
Total Cost $2.334 $0.861
Input Price $5.000 / 1M $0.672 / 1M
Output Price $25.000 / 1M $3.350 / 1M
Total Input Tokens 345,059 245,179
Output Tokens 24,343 62,697
Reasoning Tokens 0 196,621
Response Time (avg) 7.54s 81.18s
Response Time (max) 65.07s 365.80s
Response Time (total) 173.31s 1785.87s
Parameters ~5T total (~500B active) 1T total (32B active)
Availability Closed Weights available

Model generation showcase

Hamster playing table tennis

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

#167 Claude Opus 4.8

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

#156 MoonshotAI: Kimi K2.7 Code

medium
Cost
$0.025
Time
138.0s
Tokens
6,093 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 K2.7 Code 7.8 9.3 66.7% 0 146.73s 4,650 1,864 25,635

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