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Reliability — AI news & analysis
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Four AI providers wobbled in the same three hours — and for thirty minutes there was nowhere to fail over to
On 3 September 2026 Anthropic, xAI and OpenAI all confirmed incidents inside the same morning, and Gemini showed elevated failures nobody at Google logged. No shared cloud, CDN or routing failure has been identified. Line up the four timelines and there is a roughly thirty-minute window when every major frontier endpoint was degraded at once. That is the number that should worry anyone who bought a second model as an insurance policy — because a multi-model strategy is only resilient if its alternatives fail independently, and nobody measures whether they do.
Read story →Microsoft 365 Copilot went down with the mail server — and that is the whole argument about integrated AI assistants
A core authentication misconfiguration took Exchange Online down at 17:30 UTC on 31 August 2026 and kept Microsoft 365 degraded into 2 September. Microsoft's own advisory names the AI casualty precisely: 'Copilot prompts that require Microsoft 365 grounding, such as email content, may fail.' Grounding is what you pay Copilot for, and grounding is exactly what the auth plane took away. The buyer lesson is that an integrated assistant inherits its host's blast radius, and your fallback has to live outside the tenant.
Read story →Claude broke again on Monday — and Anthropic no longer sells a tier that promises it won't
Anthropic's status page logged 21 incidents between 1 and 24 August 2026, including one critical and six major. Monday's three-hour outage hit Mythos 5, Fable 5, Opus 5 and Opus 4.8. The buyer problem isn't the incident count — OpenAI's is comparable. It's that Priority Tier, the only Anthropic tier with a published uptime target, is now marked 'no longer available for purchase' — and it never covered Mythos 5, Opus 5 or Sonnet 5 anyway.
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