Together AI· Inference platform

What does 99.9% uptime mean for inference?

Together AI discusses the engineering challenges and requirements for achieving 99%, 99.9%, and 99.99% inference uptime, explaining how each tier demands a specific architecture to survive different failure domains such as node failures, data center failures, and regional outages. The post details their approach to observability, health checks, multi-facility deployment, and infrastructure ownership.

From the source

The useful mental model is layers, and the failure modes in each one are distinct:

together.ai

Announced

16 Jul 2026 00:00 UTC

Detected

03 Aug 2026 21:12 UTC (+18d after)