Anthropic Claude
Everything ChangeIntel collected about Anthropic Claude from 3 sources, on one timeline.
Sources for Anthropic Claude
Watching for changes since 26 Sep 2026. Revisions the vendor made before then were not observed, which does not mean there were none.
Anthropic Claude timeline
8 weeks back, 6 ahead · mark size shows importance, not volume- Release or post
- Known issue
- Out-of-band, exploited, or incident
- Revised by its source
- Deadline
Issues & breaking changesKnown issues · breaking changes · incidents
- Sun 16 Aug · Service incident: Anthropic (Claude): Service disruption on Claude services
- Mon 17 Aug · Service incident: Anthropic (Claude): Degraded performance for Claude Opus 5, Claude Sonnet 5
- Tue 18 Aug · Service incident: Anthropic (Claude): Degraded performance for multiple models
- Wed 19 Aug · Service incident: Anthropic (Claude): Degraded performance for Claude Opus 5 and Claude Haiku 4.5
- Thu 20 Aug · Service incident: Anthropic (Claude): Elevated errors on Google connectors and 1 more
- Mon 24 Aug · Service incident: Anthropic (Claude): Issues logging into Claude.ai and 2 more
- Fri 28 Aug · Service incident: Anthropic (Claude): Elevated errors on Claude Code and Claude Cowork
- Mon 31 Aug · Service incident: Anthropic (Claude): Degraded performance on claude.ai and 1 more
- Tue 1 Sep · Service incident: Anthropic (Claude): Degraded performance on platform.claude.com and Claude for Microsoft Office 365 and 2 more
- Wed 2 Sep · Service incident: Anthropic (Claude): Elevated errors for Claude Sonnet 5
- Thu 3 Sep · Service incident: Anthropic (Claude): Elevated errors for Claude Sonnet 5 and 1 more
- Thu 10 Sep · Service incident: Anthropic (Claude): Elevated latency on the Claude API for some users and 1 more
- Fri 11 Sep · Service incident: Anthropic (Claude): Elevated errors for Claude Mythos 5.1 and Claude Fable 5.1
- Tue 15 Sep · Service incident: Anthropic (Claude): Intermittent error spikes for Claude Mythos 5.1 and Claude Fable 5.1
- Wed 16 Sep · Service incident: Anthropic (Claude): Issues with Google Play subscriptions
- Tue 22 Sep · Service incident: Anthropic (Claude): Elevated errors for multiple models
- Tue 29 Sep · Service incident: Anthropic (Claude): Elevated errors on claude.ai, Claude Code, Claude Cowork and the Claude API
13 changesRoutine only
News & announcementsBlogs · what's new pages
- Mon 3 Aug · Product news: The Compliance API now returns transcripts of Cowork sessions started on claude.ai web or mobile, in beta for Claude Enterprise organizations.
- Wed 5 Aug · Product news: We've retired the Claude Opus 4.1 model (claude-opus-4-1-20250805). and 1 more
- Fri 7 Aug · Product news: You can now control where model inference runs for a Claude Managed Agents agent. and 3 more
- Mon 10 Aug · Product news: The introductory pricing for Claude Sonnet 5 ($2 / $10 per MTok) is now the standard price: the previously scheduled increase to $3 / $15 per MTok on September 1, 2026 w…
- Tue 11 Aug · Product news: We've added the anthropic-workspace-id response header to the Claude API. and 1 more
- Tue 18 Aug · Product news: Workbench is now playground in the Claude Console.
- Wed 19 Aug · Product news: You can now restrict which sites a Claude Managed Agents agent's web_search and web_fetch tools can reach. and 8 more
- Thu 20 Aug · Product news: The computer use and browser use toolsets (computer_toolset_20260801 and browser_toolset_20260801) are now available on Google Cloud for Claude Fable 5, Claude Mythos 5,… and 1 more
- Wed 26 Aug · Product news: The Compliance API local session endpoints now also return transcripts of Claude Science sessions (product_surface value claude_science) and Claude for Microsoft 365 ses… and 2 more
- Thu 27 Aug · Product news: You can now create personal keys and service account keys in the Claude Console. and 1 more
- Tue 1 Sep · Product news: The guides for the Claude Enterprise endpoints of the Admin API (user management and spend limits), the Claude Enterprise Analytics API, and the Compliance API now show… and 9 more
- Thu 3 Sep · Product news: Per-message effort changes, in beta, are also available on Google Cloud for Claude Fable 5.1, Claude Mythos 5.1, and Claude Opus 5, with the same mid-conversation-output… and 1 more
- Wed 9 Sep · Product news: For cache diagnostics, the API now stores a request's fingerprint only when the request includes the diagnostics object.
- Thu 10 Sep · Product news: Claude Managed Agents permission policies now include auto: the server evaluates each agent or MCP tool call and runs it, denies it, or pauses for your approval. and 1 more
- Mon 14 Sep · Product news: With the thinking-binding-controls-2026-08-01 beta header, the input_transformations response field gains a second entry type, thinking_mismatch_allowed. and 1 more
- Fri 18 Sep · Product news: For cache diagnostics, a response to a request that sends the cache-diagnosis-2026-04-07 beta header now always includes the diagnostics field. and 1 more
- Tue 22 Sep · Product news: Fast mode (research preview) is available for Claude Opus 5.5 on the Claude API. and 3 more
- Wed 23 Sep · Product news: Cache diagnostics is out of beta on the Claude API and no longer requires the cache-diagnosis-2026-04-07 beta header.
- Thu 24 Sep · Product news: The Compliance API local session endpoints are out of beta for Claude for Microsoft 365 sessions in Excel, PowerPoint, Word, and Outlook (product_surface values beginnin… and 2 more
- Mon 28 Sep · Product news: Code written for Claude Sonnet 5 can break on Claude Sonnet 5.5 in five ways. and 2 more
30 changesRoutine only
Dates & retirementsLifecycle · retirement notices
Nothing new
Latest changes
Newest first- Service incident · Anthropic (Claude): Elevated errors on claude.ai, Claude Code, Claude Cowork and the Claude API
- Product news · Code written for Claude Sonnet 5 can break on Claude Sonnet 5.5 in five ways.
- Product news · Thinking blocks that Claude Sonnet 5.5 produces work only in the account that produced them, or in an account linked to it.
- Product news · We've launched Claude Sonnet 5.5 (claude-sonnet-5-5).
- Product news · The Compliance API local session endpoints are out of beta for Claude for Microsoft 365 sessions in Excel, PowerPoint, Word, and Outlook (product_surface values beginnin…
- Product news · We're resuming billing for refusals that arrive before any output when stop_details.category is "bio", "frontier_llm", or "reasoning_extraction", the categories where we…
- Product news · The Compliance API Activity Feed no longer returns file names, project document names, or artifact titles.
- Product news · Cache diagnostics is out of beta on the Claude API and no longer requires the cache-diagnosis-2026-04-07 beta header.
Every change about Anthropic Claude is in the change stream.
Anthropic Claude in Microsoft products
Their posts that name it · not from the vendor- Updated: Microsoft Purview support for Anthropic Claude Enterprise now includes data classification, Insider Risk Management, Communication Compliance, eDiscovery, Data… Purview · 1 Aug
- New: Support for Anthropic Claude (Enterprise) when you add and configure the Anthropic Claude data connector, now in preview. Purview · 1 May
Model retirements
Shutdown dates and recommended replacements, as the providers publish them| Model | Retires | Move to | Announced |
|---|---|---|---|
| claude-fable-5 | Active · retires not before 9 Jun 2027 | — | — |
| claude-fable-5-1 | Active · retires not before 1 Sep 2027 | — | — |
| claude-haiku-4-5-20251001 | Active · retires not before 15 Oct 2026 | — | — |
| claude-mythos-5 | Active · retires not before 9 Jun 2027 | — | — |
| claude-mythos-5-1 | Active · retires not before 1 Sep 2027 | — | — |
| claude-opus-4-5-20251101 | Active · retires not before 24 Nov 2026 | — | — |
| claude-opus-4-6 | Active · retires not before 5 Feb 2027 | — | — |
| claude-opus-4-7 | Active · retires not before 16 Apr 2027 | — | — |
| claude-opus-4-8 | Active · retires not before 28 May 2027 | — | — |
| claude-opus-5 | Active · retires not before 24 Jul 2027 | — | — |
5 more retiring later and 1 retired in the last 90 days
| claude-opus-5-5 | Active · retires not before 22 Sep 2027 | — | — |
|---|---|---|---|
| claude-sonnet-4-5-20250929 | Active · retires not before 29 Sep 2026 | — | — |
| claude-sonnet-4-6 | Active · retires not before 17 Feb 2027 | — | — |
| claude-sonnet-5 | Active · retires not before 30 Jun 2027 | — | — |
| claude-sonnet-5-5 | Active · retires not before 28 Sep 2027 | — | — |
| claude-opus-4-1-20250805 | 5 Aug 2026 (56d ago) | claude-opus-4-8 | 5 Jun 2026 |
Nothing about Anthropic Claude yet in: threads across sources, revisions by the vendor, open known issues, dates in the next 12 months, roadmap items in progress.