Anthropic launches Claude Sonnet 5.5: over 30% faster and up to 30% cheaper for most work
reach_vb · x · 2026-09-29
Anthropic has officially introduced Claude Sonnet 5.5, the second model in the Claude 5.5 family.
- A clear upgrade over Sonnet 5
- Runs more than 30% faster
- Costs up to 30% less for most workloads
The release pairs performance gains with price cuts, directly relevant for developers using Claude API and coding workflows at volume.
Related event: Anthropic Launches Claude Sonnet 5.5: 30% Faster, Up to 30% Cheaper(35 posts)→
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