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AI BENCHY Compare

Anthropic: Claude Opus 4.7 vs MoonshotAI: Kimi K3

Summary

Claude Opus 4.7 (medium) leads on average score with 8.7 vs 8.5. Claude Opus 4.7 (medium) has the lower benchmark cost at $0.679 vs $3.112. Claude Opus 4.7 (medium) is faster at 4.73s vs 122.48s, with pass rates of 82.5% vs 82.5%.

Recommended modelClaude Opus 4.7 (medium)It has the best score here (8.7), while costing about 4.6x less than Kimi K3 (max).

Last updated at: 2026-07-16

Metric Claude Opus 4.7 Claude Opus 4.7 medium Release: 2026-04-16 Kimi K3 Kimi K3 max Release: 2026-07-16
Score 8.7 8.5
Rank #18 #21
Reliability 10.0 9.4
Consistency 9.6 9.2
Tests Correct
Attempt pass rate 82.5% 82.5%
Flaky tests 1 2
Total Runs 63 63
Cost per result 3.991 19.446
Total Cost $0.679 $3.112
Input Price $5.000 / 1M $3.000 / 1M
Output Price $25.000 / 1M $15.000 / 1M
Total Input Tokens 65,406 34,916
Output Tokens 11,858 2,910
Reasoning Tokens 2,198 197,529
Response Time (avg) 4.73s 122.48s
Response Time (max) 23.18s 766.58s
Response Time (total) 94.51s 2327.06s

Generation showcase

Hamster playing table tennis

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

#18 Claude Opus 4.7

medium
Cost
$0.059
Time
26.8s
Tokens
2,475 tok

#21 MoonshotAI: Kimi K3

max
Cost
$0.281
Time
506.9s
Tokens
18,863 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 4.7 7.6 7.2 77.8% 1 12.96s 10,635 7,629 1,114
Kimi K3 10.0 10.0 100.0% 0 325.79s 8,061 460 84,012

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