Claude update
Claude adds Sonnet 5.5.
AI applications
Research, documents and connected work
Anthropic application. Cowork is being integrated into conversations, rolling out to Pro and Max first.
Application users
The releases collected here, ordered by announcement date. This is a selected history, not a complete changelog.
Claude adds Sonnet 5.5.
Cowork expands to web and mobile, with background work and shared sessions.
Channels and community spaces provide product context. Linked discussions belong to the listed release; launch platform dates may differ from the official announcement.
No verified community resources collected yet.
Official introductions, docs, demos and press kits. These describe the product unless a specific release is shown.
Continue looking for this product in public discussions. Search results may include unrelated products or unverified claims.
This timeline contains selected, reviewed releases. It is not a complete history.
Source checked Oct 5, 2026
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