ChatGPT, Claude and Grok down at once: your failover plan
On 3 September 2026, ChatGPT, Claude and Grok all suffered outages on the same afternoon, each from an independent cause: a routing error at OpenAI, an infrastructure issue at Anthropic and a compute-centre failure behind Grok. A runtime failover plan for Azure teams: Foundry's model router with automatic fallback, APIM's AI gateway and circuit breaker, what redundancy really costs, and the Data Zone and DORA constraints that shape it.
Foundry EU Data Zone premium doubles: the Swedish cost math
From 1 September 2026 Microsoft Foundry charges 20 percent over Global for EU Data Zone deployments, up from 10 percent, and 30 percent for Sweden Central regional, while Global pricing stays flat and West Europe regional hits 50 percent. Pay-as-you-go customers only pay the new rate on models launched from today, PTU customers pay immediately, and GPT-5.6 is not yet on regional Standard in Sweden, so here is the cost math and a six-step checklist.