# AI news, Thursday, 8 October 2026

Compiled by Richard Brooks's AI news desk. Canonical: https://richard-brooks.com/ai-news/2026-10-08/

## Anthropic opens Mythos 5.1 and lighter cyber safeguards to vetted defenders

Security. A 3-tier Cyber Verification Program gives approved security teams reduced blocking on Opus 5.5, Sonnet 5.5 and Mythos 5.1. Standard Claude models still block most cyber work.

Source: Anthropic, https://www.anthropic.com/news/cyber-verification-program

## Anthropic puts Claude inside Google Docs, Sheets and Slides

Tools. Claude now edits open Google files from a sidebar, offers bigger rewrites as suggestion cards, and can create Docs, Sheets and Slides from chat. Public beta on all paid plans, with each edit needing approval by default.

Source: Anthropic, https://claude.com/resources/articles/claude-now-works-in-google-docs-sheets-and-slides

## Google releases EmbeddingGemma 2, an open on-device multimodal embedding model

Models. At 740M parameters it puts text, code, images, video and audio in one search space under Apache 2.0, so offline search of recordings and documents gets cheaper and more private.

Source: Google, https://blog.google/innovation-and-ai/technology/developers-tools/embeddinggemma-2/

## Meta and Sierra propose Personal Agent Protocol for agents dealing with businesses

Agents. Built on OAuth, it lets customers give agents read-only or write access and lets companies set limits. Shopify, Stripe and Walmart are partners, with a v0.1 spec due later in October.

Source: Sierra, https://sierra.ai/blog/introducing-personal-agent-protocol

## Musk says Grok Bot will route tasks to Claude Opus 5.5, Midjourney and Suno

Agents. Agent products are turning into model-neutral wrappers that pick the best engine per task. No detail yet on which tasks go where, pricing or data handling. Follows the 5 Oct SpaceXSI rename.

Source: The Next Web, https://thenextweb.com/news/grok-bot-claude-opus-midjourney-suno-musk

## OpenAI publishes 722 maths papers from an unreleased frontier model

Models. The papers cover 372 groups of results, with some proofs checked in Lean and an average of about 3 hours of ChatGPT Pro compute per result. OpenAI says it is working to release the model.

Source: OpenAI, https://openai.com/index/sharing-ai-progress-in-mathematics/

## Preferred Networks expands PLaMo Translation to 53 languages with meeting translation

Language. The Japanese-built model claims frontier-level Japanese translation at under a tenth of the cost. A bot now transcribes and translates Zoom, Meet and Teams calls in 15 languages, with open weights planned.

Source: Preferred Networks, https://www.preferred.jp/ja/news/pr20261007