Does this really need an explanation?
I do not believe personally that 1) they can forecast their load that perfectly 2) they chose to remain that inflexible in a world where they are at each others' throats and a single meme can cause bursts of activity.
Also, OpenAI is saying what caused it:
> "A routing error starting around 7:43 am PT on Thursday, September 3, made ChatGPT and Codex unavailable for some users across platforms"
Anthropic stated their issue started earlier:
> "The company began alerting about a “partial outage” at 6:23 am PT on Thursday that involved “elevated errors on requests to Claude Mythos 5.1, Claude Fable 5.1, and Claude Opus 5.”
I don't get why everyone reaches for an extraordinary explanation when the ordinary will do: both of these companies have quite a bit of downtime.
Anthropic: 6:23 am PT.
OpenAI: 7:43 am PT.
Watched it happen. Doesn't look like traffic moving off OpenAI took out the others. Looked like the opposite. The Anthropic thread was initially chock full of marketing accounts claiming "Last straw! I finally moved to Codex and I'm so happy! No problems there!" - and then they all got deleted when Codex went down too.
We used to experience similar effects when I worked at a CDN. If one CDN would go down, we would see immediate spikes in traffic. Luckily, we had procedures for that to prevent overload, but the AI folks might not have the capacity/capabilities to handle that sort of cascade yet.
Having a magical cert doesn't mean you can just intercept everything.
No, you won’t find out about them unless there’s another Snowden.
Or did a couple of companies with poor uptime records happen to have overlapping downtime?
Occam's Razor heavily, heavily points us towards the latter.
If anything, Occam's Razor would point to a common denominator with all of them, given it wasn't network-wide, as far as i know.
> All of these endpoints use existing providers with decades-long history at this point
That is just factually inaccurate. Their data centers aren't old and they lease a lot of compute from companies that didn't exist 5 years ago.
A_D_E_P_T•34m ago
It was extremely weird... and if it was a load thing they probably would have explained it by now?