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PPO

1 statements across 1 episodes · 0 bullish · 0 bearish · 1 people on the record · first statement Nov 20, 2025 by Nathan Lambert · across every show →

Everything said about PPO, oldest first

Nov 20, 2025
Assertion Not checkable as stated
Lambert: Most AI labs probably use evolved GRPO rather than PPO
“In reality, it seems like most people are using something like an evolved version of GRPO, which is a bit simpler than PPO.”
Nathan Lambert Nov 20, 2025 ▶ 1:16:39 Open Source AI Strikes Back — Inside Ai2’s OLMo 3 ‘Thinking"
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