Current benchmark matchup
Claude Opus 5 vs Claude Opus 4.8
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
Claude Opus 4.8
Anthropic
Vibe Coding Index
62.2
High confidence
Current VCI result
Claude Opus 5 leads by 4.4 VCI points.
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
Claude Opus 4.8
Vibe Coding Index
66.6
62.2
Intelligence
61.0
55.7
Coding
78.0
76.7
Agentic
55.0
47.2
Blended price
$10
$10
Context window
1,000,000
1,000,000
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.
Claude Opus 4.8 evidence
100% core coverageComplete core scores supported by at least two current verified sources.
Include reasoningMax completion tokensMax tokensReasoningReasoning effortResponse formatStopStructured outputs
