Claude’s AI chat service went offline for users in the UK and other countries on Tuesday 23 June 2026. Users faced glitches when they tried to launch a conversation. It earlier that morning and affected the planet. When users gave it a go, the system produced faulty answers.
The team behind the service says they pinpointed the fault after checking the logs towards the end of Tuesday. They are observing traffic while they deploy a solution. They say the problem should resolve once they finish checking operations are back online. People can retry once it stabilises.