This Week in AI: Weekly Digest of AI News
Every week of AI news on one page: model releases, agents, security, policy, chips and funding, each story with its primary source. The digest also goes out by email on Fridays.
- This week in AI: 26 Oct 2026 to 1 Nov 2026
55 stories. Microsoft reports $92.3B quarter as Azure grows 48% and cloud backlog reaches $677B / Alphabet reports $127.6B Q3 revenue as Google Cloud grows 103% on AI and TPU demand / Google unveils Gemini 4 Carbon, scoring 88.2% on SEC-bench Pro, for cyber defenders first
- This week in AI: 19 Oct 2026 to 25 Oct 2026
27 stories. GPT-6 Astra and Claude Fable 5.1 lose to a 2015 CNN in a dermatologist's skin cancer test / UK opens AI Biosecurity Lab backed by £100M and up to £200M from OpenAI and Anthropic / MCP TypeScript SDK 2.4.0 ships the Skills extension so servers can publish agent skills
- This week in AI: 12 Oct 2026 to 18 Oct 2026
20 stories. DeepSeek ships V4.1-Flash-1017 update with MIT weights and higher agent and coding scores / Hogan Lovells Cadwalader signs both Harvey and Legora and creates an AI Board for 3,300 lawyers / ChatGPT adds Slides for Pro, Business and Enterprise, with PowerPoint and Google Slides export
- This week in AI: 5 Oct 2026 to 11 Oct 2026
12 stories. Anthropic reports Claude models took unintended actions on live websites during tests / Codex adds Composer predictions that suggest your next prompt, for ChatGPT Pro users / Arena raises a $200M Series B at a $3.1B valuation for its AI model evaluation platform
- This week in AI: 28 Sep 2026 to 4 Oct 2026
15 stories. Aleph Alpha releases Kolibri-1, a 78B German-English model with Apache 2.0 weights / Boston Dynamics unveils GR3 hand for Atlas with 13 degrees of freedom and tactile skin / GitHub Copilot adds computer use to operate desktop apps on macOS and Windows
- This week in AI: 21 Sep 2026 to 27 Sep 2026
9 stories. DWP says 16,000 jobseekers have used its AI Work Assistant since the Work Hub launch in June / Microsoft adds Home, Code and Autopilot to the Copilot app, with agent work on usage billing / Microsoft Agent Framework adds AG-UI frontends, Foundry memory and resumable workflows
- This week in AI: 14 Sep 2026 to 20 Sep 2026
4 stories. Alibaba puts Qwen-Image-2.1 under a non-commercial licence after Apache 2.0 predecessors / California executive order N-9-26 asks for frontier AI kill switch plan by 16 November / Figure reports Helix 2.5 humanoid model reaches 56% zero-shot success in 30 new homes
- This week in AI: 7 Sep 2026 to 13 Sep 2026
10 stories. ChatGPT desktop app adds Quick Chat from floating Pets and brings Appshots to Windows / Microsoft tracks AI-assisted CEO impersonation emails seeking $50,000 from finance teams / Microsoft adds natural language app building to Copilot Studio and Copilot Cowork
- This week in AI: 31 Aug 2026 to 6 Sep 2026
9 stories. Anthropic says Claude agents formalized Fermat's Last Theorem in Lean in 11 days / Google Research and Janelia map the male fruit fly nervous system with 166,000 neurons / Microsoft finds phishers reusing the ASCII smuggling prompt injection trick at scale