Every's vibe check: Claude Sonnet 5.5 runs 30%+ faster, up to 30% cheaper than Sonnet 5
danshipper · x · 2026-09-29
Every CEO Dan Shipper shares a full vibe check of Claude Sonnet 5.5, the second model in the Claude 5.5 family. Anthropic pitches it as a clear upgrade over Sonnet 5 that runs more than 30% faster and costs up to 30% less for most work. The review assesses where the model fits in Claude's increasingly crowded lineup.
Related event: Every's Hands-On: Claude Sonnet 5.5 Is 30% Faster and Cheaper(3 posts)→
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