# Together AI — What does 99.9% uptime mean for inference?

- Company: Together AI (together.ai)
- Announced: 2026-07-16T00:00:00+00:00
- Subject: Inference platform
- Source: https://www.together.ai/blog/99-9-uptime-for-inference
- Record: https://forck.live/items/2334-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.

## Evidence

Verbatim from https://www.together.ai/blog/99-9-uptime-for-inference:

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

---

Record: https://forck.live/items/2334-what-does-99-9-uptime-mean-for-inference
Catalogue: https://forck.live/llms.txt
Feed: https://forck.live/feed.md