Custom Midtrain Plus Own RL Matches Astra Max at Half the Inference Price

hsu_byron · x · 2026-09-16

A debate sparked by andrewho03: is it "bad" to spend enormous effort collecting your own data, running a custom midtrain, and doing your own RL just to match Astra max at half the inference price?

madiator reads it the opposite way — replicating frontier performance with your own pipeline at half the cost is remarkable, and worth imagining what comes next. The exchange captures the build-vs-frontier debate: copying frontier capability is getting dramatically cheaper.

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