What changed in the pond
Dated changes to Claude models and products, taken from Anthropic's news page and the Claude release notes. No rumors, no “sources say,” no frog gossip.
All dated. All sourced. Zero frog gossip.
Facts checkedNov 11at the source
- Nov 10, 2026Anthropic launched the roadshow for its proposed initial public offering. Anthropic's post
- Nov 9, 2026Claude Fable 5.2 and Claude Mythos 5.2 were introduced. Fable 5.2 is the model Anthropic recommends for demanding reasoning and long-horizon agentic work. Mythos 5.2 has limited availability. Anthropic's post
- Nov 6, 2026Project spend tags arrived in beta for eligible Enterprise organizations.
- Nov 5, 2026Claude Enterprise added a security center, inference hooks, centralized management and more access controls, several in beta.
- Nov 5, 2026Personal Finance entered beta on Pro, Max and Ultra plans in the US: link bank, card, loan and investment accounts and ask Claude about your finances.
- Oct 28, 2026AI for Science expanded to foundations and research institutions. Anthropic's post
- Oct 26, 2026Anthropic filed an S-1 with the SEC for its proposed IPO. Anthropic's post
- Oct 22, 2026Anthropic donated Agent Skills to the Agentic AI Foundation. Anthropic's post
- Oct 21, 2026Claude Duet, a new app in which Claude works as a proactive agent, opened as a research preview for Pro and Max.
- Oct 7, 2026Claude Haiku 5.5 launched for high-volume, cost-sensitive work. Anthropic's post
- Oct 7, 2026Max and Team plans began including monthly API credits, claimed by linking a Claude Console organization.
- Oct 2, 2026Anthropic announced a $100 million investment to train 10,000 engineers. Anthropic's post
- Sep 28, 2026Claude Sonnet 5.5 launched. Anthropic's post
- Sep 25, 2026A plugin developer portal opened: submit plugins to the Claude directory, track review, and see usage analytics.
- Sep 22, 2026Claude Opus 5.5 launched as the first model in the 5.5 family, at 40% less than Opus 5. Anthropic's post
- Sep 16, 2026Cowork and chat were unified: everything Cowork does became available from any conversation, rolling out to Pro and Max.
- Sep 16, 2026Claude Design, Slides and Docs became available inside any conversation. Artifacts are on every plan, including Free.
- Sep 15, 2026Salesforce in Claude entered beta: a plugin with accounts, opportunities, pipeline data and 37 sales skills.
- Sep 1, 2026Claude Fable 5.1 and Claude Mythos 5.1 launched.
- Aug 25, 2026Memory began working across chat and Cowork, with editable topics and a sensitive-topics setting.
Sources: anthropic.com/news, the Claude release notes and the platform release notes. Those pages are the record; this is the short version.