Outages have been reported for ChatGPT, Claude, and Grok, affecting a large number of users.
OpenAI's status page has acknowledged that issues are occurring with ChatGPT and Codex.
According to Anthropic's status page, an increase in errors has been confirmed for Claude. The Grok website also states that problems are currently occurring.
Each company is investigating these outages.
Furthermore, it is reported that the chatbots have entered the recovery process.
Source: ChatGPT, Claude, and Grok Are Down (Hacker News Frontpage, 2026-09-04)