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Back to Basics: Revisiting REINFORCE Style Optimization for Learning from Human Feedback in LLMs research paper by Cohere, 2024

Cohere · Alignment and safety · Feb 22, 2024 · 804 citations · 18 upvotes

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What it shows

Reinforcement Learning from Human Feedback (RLHF) benefits from simpler REINFORCE-style optimization methods over computationally expensive PPO or "RL-free" methods, enhancing performance and reducing cost in large language models.

By Arash Ahmadian, Chris Cremer, Matthias Gallé and 4 more · arXiv 2402.14740 · PDF

Hugging Face's summary; not yet checked by hand.

More from Cohere

All 30
ReasoningSep 9, 2026Building Multilingual Bridges: Data Mixing as the Pillar of Generalization for In-Language ReasoningOptimized supervised fine-tuning data composition enables reasoning models to consistently process and respond in diverse non-English languages without requiring reasoning supervision in each target language.Cohere33 upvotesRead →ReasoningAug 18, 2026The IOL-AI Challenge: An Open Challenge towards Advancing Linguistic ReasoningAn open competition on unseen Linguistics Olympiad puzzles, graded by the official jury; small 14B systems beat models twice their size.Cohere1 citationsRead →ReasoningJun 23, 2026CALIBER: Calibrating Confidence Before and After Reasoning in Language ModelsTrains reasoning models to state their confidence twice, before thinking and after answering, halving calibration error against the best single-estimate method.Cohere1 citationsRead →Foundation modelsJun 22, 2026AI Exposure Scores: what they measure, what they miss, and what comes nextReviews how widely cited scores of which jobs AI can assist are used in policy, what they miss, and newer measures that address it.CohereRead →Alignment and safetyJun 11, 2026The Culture Funnel: You Can't Align What isn't in the DataModern LLM pipelines experience a cultural data funnel where explicit cultural signals diminish during post-training, necessitating shifts in training data approaches for better cultural alignment.Cohere1 citationsRead →Foundation modelsMay 27, 2026Soft-SVeRL: Self-Verified Reinforcement Learning with Soft RewardsTurns each prompt into a checklist scored item by item, giving reinforcement learning partial-credit rewards for tasks that cannot be checked automatically.Cohere1 citationsRead →Agents and evaluationApr 19, 2026Agents Explore but Agents Ignore: LLMs Lack Environmental CuriosityLLM-based agents fail to exploit discovered unexpected information despite recognizing it, indicating a lack of environmental curiosity that depends on tools, compute, and training data distribution.Cohere2 citations8 upvotesRead →Training and scalingMar 12, 2026Tiny Aya: Bridging Scale and Multilingual DepthTiny Aya demonstrates high-quality multilingual capabilities with 3.35 billion parameters through region-aware posttraining and balanced language performance.Cohere18 citations10 upvotesRead →
Topic
About this paper
Citations
804, 87 influential · Semantic Scholar
Upvotes
18 · Hugging Face
Lab
Cohere · on Companies · on Acquisitions · on Releases

Changes

CitationsNov 9, 2026Influential citations rose from 84 to 87.
CitationsNov 9, 2026Citations rose from 780 to 804.
CitationsNov 2, 2026A first count of 84 influential citations.
CitationsNov 2, 2026A first count of 780 citations.
New paperSep 26, 2026Added to the list.