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SWE-Grep and SWE-Grep-Mini: RL for Fast Multi-Turn Context Retrieval

Implicit Actor Critic Coupling via a Supervised Learning Framework for RLVR

Designing Agentic Loops

Introduction to Multi-Armed Bandits

GPT-OSS Reinforcement Learning

Understanding RL for model training, and future directions with GRAPE

Launch HN: RunRL (YC X25) – Reinforcement learning as a service

Evaluating Agents

Don't Build Multi-Agents

Polaris: A Post-training recipe for scaling RL on Advanced ReasonIng models

[R] Reinforcement Learning Teachers of Test Time Scaling

[P] A physics engine with reproducible CLI simulations + hash-stamped results — useful for RL training?

[D] RL/GRPO for lossless compression of text passages into 'least token representation', then using this emergent 'language' as the basis for reasoning instead of english

Agentic response flow

Is this a good use case of an agent

[D] Q-learning is not yet scalable

Multi-Agent or Single Agent?

Solving Super Agentic Planning

Xiaomi MiMo

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MiMo-7B-RL

microsoft

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qlib

Qlib is an AI-oriented Quant investment platform that aims to use AI tech to empower Quant Research, from exploring ideas to implementing productions. Qlib supports diverse ML modeling paradigms, including supervised learning, market dynamics modeling, and RL, and is now equipped with https://github.com/microsoft/RD-Agent to automate R&D process.

DLR-RM

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stable-baselines3

PyTorch version of Stable Baselines, reliable implementations of reinforcement learning algorithms.

google-deepmind

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mujoco

Multi-Joint dynamics with Contact. A general purpose physics simulator.

Farama-Foundation

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Gymnasium

An API standard for single-agent reinforcement learning environments, with popular reference environments and related utilities (formerly Gym)

vwxyzjn

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cleanrl

High-quality single file implementation of Deep Reinforcement Learning algorithms with research-friendly features (PPO, DQN, C51, DDPG, TD3, SAC, PPG)