{"schema_version":"onlylabs.public_signal.v1","title":"OpenAI Writing: Evolution strategies as a scalable alternative to reinforcement learning","description":"OpenAI writing signal with public source context, captured evidence pages, related signals, and data-business radar classification.","url":"https://onlylabs.fyi/signals/826f19d7-b652-49c7-aee5-0c41beb99576","json_url":"https://onlylabs.fyi/signals/826f19d7-b652-49c7-aee5-0c41beb99576/signal.json","generated_at":"2026-06-08T15:47:16.319+00:00","org":{"slug":"openai","name":"OpenAI","category":"frontier-lab","category_label":"Frontier lab","dossier_url":"https://onlylabs.fyi/labs/openai","dossier_json_url":"https://onlylabs.fyi/labs/openai/dossier.json"},"related_urls":{"signal":"https://onlylabs.fyi/signals/826f19d7-b652-49c7-aee5-0c41beb99576","signal_json":"https://onlylabs.fyi/signals/826f19d7-b652-49c7-aee5-0c41beb99576/signal.json","source":"https://openai.com/index/evolution-strategies","lab_dossier":"https://onlylabs.fyi/labs/openai","lab_dossier_json":"https://onlylabs.fyi/labs/openai/dossier.json","analysis":"https://onlylabs.fyi/analysis/openai","analysis_json":"https://onlylabs.fyi/analysis/openai/analysis.json","analysis_evidence_json":"https://onlylabs.fyi/analysis/openai/evidence.json","category":"https://onlylabs.fyi/frontier","category_json":"https://onlylabs.fyi/frontier.json","category_feed":"https://onlylabs.fyi/frontier/feed.xml","category_signals_json":"https://onlylabs.fyi/signals.json","topic":"https://onlylabs.fyi/topics/talking","topic_signals_json":"https://onlylabs.fyi/topics/talking/signals.json","topic_feed":"https://onlylabs.fyi/topics/talking/feed.xml","data_business":{"radar":"https://onlylabs.fyi/data-radar","radar_json":"https://onlylabs.fyi/data-radar.json","opportunities":"https://onlylabs.fyi/opportunities","opportunities_json":"https://onlylabs.fyi/opportunities.json","lanes":[{"key":"evals","label":"Evals and quality","url":"https://onlylabs.fyi/data-radar/evals","json_url":"https://onlylabs.fyi/data-radar/evals/signals.json"}]}},"answer_pack":{"answer":"OpenAI published Evolution strategies as a scalable alternative to reinforcement learning. 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In particular, ES is simpler to implement (there is no need for backpropagation⁠), it is easier to scale in a distributed setting, it does not suffer in settings with sparse rewards, and has fewer hyperparameters⁠. This outcome is surprising because ES resembles simple hill-climbing in a high-dimensional space based only on finite differences⁠ along a few random directions at each step. Our finding continues the modern trend of achieving strong results with decades-old ideas. 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