Training great LLMs entirely from ground zero in the wilderness as a startup. Yi Tay has a really interesting perspective on training LLMs, having worked at Google Brain before co-founding an independent startup, Reka.
At Google the clusters are provided for you. On the outside, Yi finds himself bargaining for cluster resources from a wide range of vendors—and running into enormous variance in quality.
“We’ve seen clusters that range from passable (just annoying problems that are solvable with some minor SWE hours) to totally unusable clusters that fail every few hours due to a myriad of reasons.”
Recent articles
- OpenAI are quietly adopting skills, now available in ChatGPT and Codex CLI - 12th December 2025
- GPT-5.2 - 11th December 2025
- Useful patterns for building HTML tools - 10th December 2025