Barclays targets 50% developer adoption of Claude by end of 2026

Barclays wants half of its software developers using Anthropic’s Claude Code by the end of 2026. That is the headline target in a broader expansion of Claude across the bank, announced on October 1, 2026, through an Anthropic press release. The goal does not stop there. Barclays expects a majority of its software engineers to be on the tool by 2027, which makes this less a pilot program and more a change in how the bank writes software. What Barclays is actually rolling out The stated aim is to speed up software development and improve the experience for clients across Barclays’ global operations. Claude is not new inside Barclays, though. The bank already runs a Colleague Knowledge Assistant built on the models, which has been live since 2025. More than 16,000 staff use that assistant. It supports colleagues who serve roughly 20 million UK retail customers, and it has handled more than 1 million searches so far. The models are also doing quieter work in the background. In Barclays’ Global Markets division, Claude sorts and routes approximately 120,000 incoming emails every day. The money behind the move The rollout sits inside a multi-year efficiency program at Barclays. The bank ...