Deadline passed
Claude Platform release notes · Anthropic Claude
The legacy Workbench (platform.claude.com/workbench) in the Claude Console is being sunset with access ending on August 17, 2026.
Claude Platform release notes announced it on 17 Jul 2026; the deadline, 17 Aug 2026, has passed.
Everything collected about it
Matched by product and title; check each before relying on it- 17 Jul 2026 Announced · Claude Platform release notesThe legacy Workbench (platform.claude.com/workbench) in the Claude Console is being sunset with access ending on August 17, 2026.
- 17 Aug 2026 DeadlineThe date in the announcement
- 18 Aug 2026 Product newsWorkbench is now playground in the Claude Console.
Other retirements in Anthropic Claude
Lifecycle- We announced the deprecation of the Claude Sonnet 4.5 model (claude-sonnet-4-5-20250929), with retirement on the Claude API scheduled for November 30, 2026.30 Nov 2026 · Claude Platform release notes
- We've deprecated fast mode for Claude Opus 4.7, with removal on July 24, 2026.24 Jul 2026 · Claude Platform release notes
What changed
First observed 14 Oct 2026No field changes in the recorded history.
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Keep track
- Watch above puts it on My radar, with reminders and changes to it.
- Anthropic Claude RSS feed: retirements, releases and known issues as they are published.
- Lifecycle: every end of support and retirement ahead.