# clm_EC9EEBD03570

subject: OpenAI (/record/openai.md)  
predicate: released  
value: Proximal Policy Optimization  
valid_from: 2017-07-20  
valid_to: null  
published: 2017-07-20  
recorded: 2026-11-03  
confidence: 0.70  
status: valid  
assertable: true  
superseded_by: null  
last_updated: 2026-11-04  
checked: 2026-11-04 · its source page states the value and the date (its publisher's feed entry for the page)  

> We’re releasing a new class of reinforcement learning algorithms, Proximal Policy Optimization (PPO), which perform comparably or better than state-of-the-art approaches while being much simpler to implement and tune.

What https://openai.com/index/openai-baselines-ppo says, word for word.

## Sources

- https://openai.com/index/openai-baselines-ppo (primary, OpenAI, published 2017-07-20)

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