What changed
A relatively simple policy-update method achieved favorable benchmark tradeoffs.
Scientific scope
2017 five-author technical paper and its benchmarks; later PPO variants and deployments excluded.
Evidence
The linked sources identify this contribution and its scope. WRS has not independently reconstructed the scientific claims. The record is the 2017 five-author technical paper and its reported benchmarks. PPO variants, later theory and broad deployment claims are separate.
Contributors
- John Schulman · SCIENCE: Named source author of the scoped work; individual effort shares are not measured.
- Filip Wolski · SCIENCE: Named source author of the scoped work; individual effort shares are not measured.
- Prafulla Dhariwal · SCIENCE: Named source author of the scoped work; individual effort shares are not measured.
- Alec Radford · SCIENCE: Named source author of the scoped work; individual effort shares are not measured.
- Oleg Klimov · SCIENCE: Named source author of the scoped work; individual effort shares are not measured.
Provisional WRS assessment, edition 2026-10-16.1. Independent expert calibration is pending. This grade does not certify correctness or assign ownership.
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