How to Switch LLM Providers Without Downtime
LLM provider switching went from a theoretical concern to an operational emergency in June 2026, when Anthropic disabled Claude Fable 5 and Mythos 5 following a US government directive . The shutdown was swift, with access suspended just days after the models launched. Enterprises that had built production workflows around those models lost access overnight. The event was a wake-up call, but the underlying risk had been building for years.