What are the key differences between Claude 3 Opus and Claude 3.5 Sonnet?

Compare Claude 3 Opus and Claude 3.5 Sonnet side by side on Lunoo to see detailed feature differences, AI scores, and expert analysis.

How are Claude 3 Opus and Claude 3.5 Sonnet scored?

Claude 3 Opus has an AI score of 7.5/10 and Claude 3.5 Sonnet has an AI score of 10.0/10. Scores are based on features, user satisfaction, and overall quality analysis.

Claude 3 Opus vs Claude 3.5 Sonnet 2026 — Compared

Claude 3 Opus

Claude 3.5 Sonnet

WINNER Claude 3.5 Sonnet

Claude 3.5 Sonnet edges ahead with a score of 10.0/10 compared to 7.5/10 for Claude 3 Opus. While both are highly rated...

Claude 3 Opus

7.5 Good

AI Image Generator Get Claude 3 Opus open_in_new

emoji_events WINNER

Claude 3.5 Sonnet

10.0 Brilliant

Project Management Get Claude 3.5 Sonnet open_in_new

Claude 3 Opus Pricing not available

payments

Claude 3.5 Sonnet Free plan available

psychology AI Verdict

Claude 3.5 Sonnet edges ahead with a score of 10.0/10 compared to 7.5/10 for Claude 3 Opus. While both are highly rated in their respective fields, Claude 3.5 Sonnet demonstrates a slight advantage in our AI ranking criteria. A detailed AI-powered analysis is being prepared for this comparison.

emoji_events Winner: Claude 3.5 Sonnet

verified Confidence: Low

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description Overview

Claude 3 Opus

Claude 3 Opus was Anthropic's previous flagship model, known for its deep reasoning and ability to handle highly complex, multi-step tasks. While it has been largely superseded by Claude 3.5 Sonnet in terms of speed and coding performance, it remains a highly capable model for nuanced analysis and creative work. It is still a top-tier choice for users who prefer its specific 'personality' and reas...

Claude 3.5 Sonnet

Claude 3.5 Sonnet is widely regarded as one of the most capable models for complex reasoning and medical text analysis. Its large context window allows users to upload entire medical guidelines, patient notes (anonymized), or research papers for summarization and analysis. It is particularly adept at identifying patterns in text and providing nuanced, human-like explanations of complex medical con...