An Anthropic employee attributed Claude's partial disruption to an infrastructure issue affecting Claude Code, the API, and Claude.ai. Coverage across several technology outlets focused on the unusual concurrency, while users pointed to local models and alternative providers as fallbacks.
First-order effects
Users and developers regain access to Claude, ChatGPT, and Grok after the Thursday disruption; Claude Code and API customers were among the affected Claude users, according to Anthropic's public update.
OpenAI, Anthropic, and xAI face immediate reliability scrutiny because their services were unavailable during the same window, not merely in separate incidents.
Second-order effects
Teams that embed Claude, ChatGPT, or Grok into daily workflows have a clearer incentive to maintain fallback processes or support more than one model provider when a provider outage blocks access.
The simultaneous failure makes provider diversification less useful where applications depend on common infrastructure layers, shifting attention from model choice alone to end-to-end service resilience.
Third-order effects
If overlapping outages recur, AI application builders will increasingly differentiate on continuity features—fallback routing, local execution, and graceful degradation—rather than treating a hosted model endpoint as continuously available.
Repeated outages across both consumer assistants and APIs would make operational reliability a more consequential competitive dimension alongside model capability for OpenAI, Anthropic, and xAI.
The trend: Hosted AI is becoming production infrastructure, making uptime, redundancy, and recovery behavior part of competition among model providers.
An infrastructure issue is causing a partial outage across Claude Code, the API, and https://claude.ai/. We're working on it but don't have an ETA yet. We'll post here when that changes, and quickest place for updates is always https://status.claude.com/
I felt a great disturbance in the Force... Seriously though: Claude, ChatGPT, and Grok all went down together today. Are we blaming this on Azure East? Gemini didn't report an outage (definitely doesn't run on Azure East!), but not crazy to think they got swamped with failover tr…
AI was seasonal in 2024-2025. Growth decelerated during the summer (students/people work less is the theory) and reaccelerated after Labor Day. This year, AI accelerated in July/August led by OpenAI, Grok and open-source. And today is the first time I've ever seen this:
Update: most requests are succeeding again across Claude Code, the API, and https://claude.ai/. Every model except Opus 5 and Opus 4.8 is back to baseline. Those two still have elevated errors and we're still working on it. Updates: https://status.claude.com/
It would be forensically useful to have a database of all the periods of downtime for AI services to figure out activity that conspicuously wound down during those moments. [embedded post]