# AI news, Friday, 2 October 2026

Compiled by Richard Brooks's AI news desk. Canonical: https://richard-brooks.com/ai-news/2026-10-02/

## Barclays expands Claude across bank operations and coding

Business. Targets Claude Code for half of developers by end-2026. Already routes 120,000 markets emails a day and assists 16,000 UK colleagues.

Source: Anthropic, https://www.anthropic.com/news/barclays-scales-claude

## Google announces Gemini 4 Argon frontier model

Models. Google DeepMind's new frontier model starts with trusted cyber defenders via Fairwind, targeting long-horizon coding, enterprise knowledge work and defensive cybersecurity. Introductory API pricing is $2/$10 per million tokens before a wider paid rollout.

Source: Google, https://blog.google/innovation-and-ai/models-and-research/gemini-models/gemini-4-argon/