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ModelsAnnouncement

Introducing Claude Sonnet 5.5

A quick source preview. Follow the original for the full announcement.

01 / The short version

Source preview

A clear upgrade over Sonnet 5 that runs 30% faster and costs up to 30% less for most work.

See the exact references

Keep in perspective

What to watch for

This brief uses the publisher’s short description. Read the original for the complete announcement, evaluation details, and availability.

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Exact references

These are the original pages used for this brief. Publisher claims are not independent evaluations.

01Primary source · AnthropicRead the original announcementhttps://www.anthropic.com/claude-sonnet-5-5

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