Proximal Policy Optimization (PPO)

// PASSPORT

OpenAI · Multimodal model · Registered 2026-03-05

IDENTITY

Developer

OpenAI

Confirmed by

Confirmed via https://openai.com/index/openai-baselines-ppo

First registered

2026-03-05 (rss_pipeline)

Developer confirmed

2017-07-20

Gate

PROVENANCE COMPLETE

PROVENANCE

Claimed developer

OpenAI

Confirmed developer

OpenAI

Delta

— · match confirmed

EU COMPLIANCE

AI Act

unknown

PASSPORT FIELDS

Model type

Multimodal

Parameters

Undisclosed

Context window

Unknown

Open source

Yes

Weights available

Unknown

License

MIT (OpenAI Baselines reference implementation on GitHub)

PROVENANCE TIMELINE

2026-03-05

First recorded in AI news