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#Claude 4

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Claude 4 Hands-On Review: In-Depth Comparison of Opus 4 and Sonnet 4

Product Reviews

May 20, 2026·1 min

Claude 4 Hands-On Review: In-Depth Comparison of Opus 4 and Sonnet 4

First hands-on review of Claude 4 series: multi-dimensional comparison of Opus 4 and Sonnet 4 across coding, document analysis, reasoning, and AI Agents, with benchmarks against GPT-4o and Gemini 2.5 Pro.