AI news today · 29 October 2026

Anthropic Files for Biggest AI IPO in History
Anthropic publicly filed its S-1 prospectus with the SEC on 26 October 2026, seeking a Nasdaq listing under the ticker ANT at a reported valuation of up to $2 trillion, in what would be the largest tech IPO on record.

Google Announces Gemini 4 Carbon, Its Next Frontier Model, with Cyber Defenders Getting First Access
Google announced Gemini 4 Carbon, its next frontier model following Argon's launch two weeks ago, topping cybersecurity benchmarks and ranking first on the Artificial Analysis Intelligence Index v5.0; cyber defenders will be the first to receive access this week, with broader availability coming soon.

GitHub Octoverse 2026: AI Agents Now Initiate 40% of All Pull Requests
GitHub's annual Octoverse report, released at the Universe conference on 28 October, reveals that AI agents started more than 40% of all pull requests in September 2026, while the platform also launched Copilot Fusion, a dynamic model-selection system for coding tasks.

China Proposes Export Controls on 23 AI Technologies, Including Frontier Language Models
China's commerce and science ministries have published a draft proposal to restrict exports of 23 AI technologies — including large language models above two trillion parameters and advanced chip designs — as part of a broader 40-item list, with public comments open until 15 November.
