“We think of things as an inverted pyramid… bottom is model training… above that is inference… above that is routing… context… harness”
Unsupervised Learning with Jacob Effron · Ep 94: Applied Compute CEO on the Limits of RL, the New AI Hyperscaler & Why Post-Training Wins Inference
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What was described
adopt an inverted-pyramid strategy: train at the bottom, then inference, routing, context, harness
Said nearby on the same subject
“Jev is a router… as I have text, route to the right tool, and then if I can infer from the text, the job to do in the tool, I might as well infer that and route as far down the user journey as I can.”
“The cost to post-train ... is falling. You're still better off doing a bunch of context optimization and harness optimization, but once you squeeze a lot out of the harness you can continue to squeeze a lot out of optimizing the policy”
“Seed RL… was about utilizing the TPUs both for inference and training in the best possible way while keeping the environments as flexible as you wanted.”