This is the first I'm hearing about it. | Hacker News

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		bitpush 9 months ago \| parent \| context \| favorite \| on: Google is winning on every AI front This is the first I'm hearing about it.

paradite 9 months ago [–]

I forgot to mention that OpenAI also invented PPO, which is the default algorithm that everyone uses for RL since 2017: https://en.wikipedia.org/wiki/Proximal_policy_optimization

DeepSeek's GRPO is also just a minor variant of PPO.

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