Current benchmark matchup
Claude Opus 5 vs Kimi K3
Compare current scores, source confidence, price, context, capabilities, and focused Design Arena results for both models.
Claude Opus 5
Anthropic
Vibe Coding Index
66.6
High confidence
Kimi K3
Moonshot
Vibe Coding Index
66.6
Medium confidence
Current VCI result
A complete VCI result is not available for both models yet.
This result follows the current published source evidence and can change when a scheduled refresh finds newer measurements.
Exact score differences
Side-by-side benchmark data
Measure
Claude Opus 5
Kimi K3
Vibe Coding Index
66.6
66.6
Intelligence
61.0
57.1
Coding
78.0
83.6
Agentic
55.0
50.1
Blended price
$10
$6
Context window
1,000,000
1,048,576
Claude Opus 5 evidence
100% core coverageComplete core scores supported by at least two current verified sources.
Capability metadata is waiting for the next catalog refresh.
Kimi K3 evidence
100% core coverageComplete core scores supported by one current verified source.
Frequency penaltyInclude reasoningMax tokensPresence penaltyReasoningReasoning effortResponse formatStop
