Post-training on open models: millions for RL environments, obsolete by the next base model
FinanceYF5 · x · 2026-10-28
Part 3 of the Neolab economics thread: post-training on strong open models gives a better shot at reaching the frontier, but carries two risks — RL environments themselves require millions more in investment, and the team gets locked to a particular base model whose work can be swiftly surpassed when a new base model ships.
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