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Claude Haiku vs Sonnet vs Opus: Which One Should You Actually Use? (2026)

Anthropic's Claude model lineup—Haiku, Sonnet, and Opus—offers different trade-offs between speed, cost, and capability. The article provides a straightforward rule for choosing among them based on task requirements.

read1 min views41 publishedJun 29, 2026

I stared at Anthropic’s model list way longer than I’d like to admit. Here’s the simple rule I wish someone had just told me. Continue reading on Towards AI »

source & further reading
pub.towardsai.net — original article AI Agents Keep Going After They Should Stop. Here’s What the Incident Reports and Experiments Show. Jev AI: What If Gordon Ramsay Didn’t Cook? He Just Picked Who Did. When an AI Agent Says “Done,” What Has Actually Happened?
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