What is Reinforcement Learning?

RL algorithms, reward modelling, RLHF, policy gradients, Q-learning and multi-agent RL

Where can I learn Reinforcement Learning for free?

DeepCamp offers 858 free curated Reinforcement Learning lessons — from beginner-friendly introductions to advanced tutorials — all in one place, no account required.

What are the best Reinforcement Learning tutorials?

DeepCamp curates the best Reinforcement Learning tutorials from top YouTube educators and industry practitioners. You can filter by level (beginner, intermediate, advanced) and duration to find the right fit.

How long does it take to learn Reinforcement Learning?

It depends on your starting point and goals. Beginners can grasp fundamentals in 2–4 weeks with consistent study. DeepCamp organises Reinforcement Learning lessons by level so you can build skills progressively.

Is Reinforcement Learning a good career skill?

Yes — Reinforcement Learning is highly valued across tech, finance, healthcare, education and professional services. DeepCamp helps you build job-ready Reinforcement Learning skills with practical, real-world lessons.

Can beginners learn Reinforcement Learning?

Absolutely. DeepCamp has beginner-friendly Reinforcement Learning lessons that start with core concepts and build up gradually. No prior experience or paid subscription is required.

Reinforcement Learning Lessons — Free Learning

Medium · AI 🎮 Reinforcement Learning ⚡ AI Lesson 17h ago

“The Hidden Problem with Pass-Rate Rewards in Reinforcement Learning for Code Generation”

If you’ve trained reinforcement learning models for code generation, you’ve probably used pass rate as the reward. Continue reading on Medium »

Medium · Machine Learning 🎮 Reinforcement Learning ⚡ AI Lesson 17h ago

“The Hidden Problem with Pass-Rate Rewards in Reinforcement Learning for Code Generation”

If you’ve trained reinforcement learning models for code generation, you’ve probably used pass rate as the reward. Continue reading on Medium »

Medium · Machine Learning 🎮 Reinforcement Learning ⚡ AI Lesson 21h ago

How Machines Learn to Make Decisions: A Practitioner’s Guide to Reinforcement Learning

Imagine a thermostat that has to decide, right now, whether to turn the heating on. A simple version just checks the current temperature… Continue reading on Me

Medium · AI 🎮 Reinforcement Learning ⚡ AI Lesson 1d ago

When Machines Learned to Learn: A Brief Story of Reinforcement Learning

How a theory of reward became the key to both artificial intelligence and understanding the human brain Continue reading on Medium »

ArXiv cs.AI 🎮 Reinforcement Learning 📄 Paper ⚡ AI Lesson 4d ago

Deconstructing Off-Policy Ratios: Entropy-Scaled Trust Regions for Asynchronous Reinforcement Learning

arXiv:2607.22186v1 Announce Type: new Abstract: Asynchronous reinforcement learning (RL) accelerates large language model (LLM) post-training by overlapping rol

Dev.to · Madhumitha Kolkar 🎮 Reinforcement Learning ⚡ AI Lesson 6d ago

I Taught an Agent to Act Directly - No Q-Values Needed (Day 6: REINFORCE)

SERIES: Learning RL and JAX in Public - from zero to DeepMind :) Days 4 and 5 were value-based...

ArXiv cs.AI 🎮 Reinforcement Learning 📄 Paper ⚡ AI Lesson 1w ago

It Takes 8 Tokens: Weak-to-Strong Off-Policy RL via Auxiliary Branches

arXiv:2607.16205v1 Announce Type: new Abstract: Reinforcement learning with verifiable rewards has emerged as a standard approach for enhancing reasoning in lar

Medium · Machine Learning 🎮 Reinforcement Learning ⚡ AI Lesson 3w ago

A Practical Guide to Implementing the REINFORCE Algorithm in Python (Part 5)

Learn how to build the REINFORCE algorithm from scratch using Python, PyTorch, and Gymnasium with a step-by-step, beginner-friendly… Continue reading on Medium

ArXiv cs.AI 🎮 Reinforcement Learning 📄 Paper ⚡ AI Lesson 3w ago

Gimitest: A Comprehensive Tool for Testing Reinforcement Learning Policies

arXiv:2607.07029v1 Announce Type: cross Abstract: Reinforcement learning (RL) policies can be unsafe and vulnerable to attacks. Ensuring their reliability is of

ArXiv cs.AI 🎮 Reinforcement Learning 📄 Paper ⚡ AI Lesson 3w ago

RLVP: Penalize the Path, Reward the Outcome

arXiv:2607.07435v1 Announce Type: cross Abstract: Agents acting on our behalf in the real world (e.g. placing phone calls) must learn online from costly, often

ArXiv cs.AI 🎮 Reinforcement Learning 📄 Paper ⚡ AI Lesson 3w ago

Self-Review Reinforcement Learning (SRRL) with Cross-Episode Memory and Policy Distillation

arXiv:2607.05541v1 Announce Type: cross Abstract: Reinforcement Learning is commonly used to train large language models using environmental feedback. In applie

Medium · Python 🎮 Reinforcement Learning ⚡ AI Lesson 3w ago

Offline Reinforcement Learning — Learning When You Can’t Try Things

Algorithms in Python — Advanced Reinforcement Learning, Part 7 Continue reading on Medium »

Medium · Machine Learning 🎮 Reinforcement Learning ⚡ AI Lesson 3w ago

A Practical Guide to Implementing the REINFORCE Algorithm in Python(Part 3)

Learn how to build the REINFORCE algorithm from scratch using Python, PyTorch, and Gymnasium with a step-by-step, beginner-friendly… Continue reading on Medium

ArXiv cs.AI 🎮 Reinforcement Learning 📄 Paper ⚡ AI Lesson 3w ago

Ensemble Elastic DQN: A Step Dependent Ensemble Approach for Reducing Overestimation in Deep Value-Based Reinforcement Learning

arXiv:2506.05716v2 Announce Type: replace-cross Abstract: Deep Q-Networks (DQN) can suffer from overestimation bias because bootstrapped targets use a maximisat

ArXiv cs.AI 🎮 Reinforcement Learning 📄 Paper ⚡ AI Lesson 3w ago

The Three Regimes of Offline-to-Online Reinforcement Learning

arXiv:2510.01460v4 Announce Type: replace-cross Abstract: Offline-to-online reinforcement learning (RL) has emerged as a practical paradigm that leverages offli

ArXiv cs.AI 🎮 Reinforcement Learning 📄 Paper ⚡ AI Lesson 3w ago

Safe RLHF Beyond Expectation: Stochastic Dominance for Universal Spectral Risk Control

arXiv:2603.10938v2 Announce Type: replace-cross Abstract: Safe Reinforcement Learning from Human Feedback (RLHF) typically enforces safety through expected cost

Medium · Machine Learning 🎮 Reinforcement Learning ⚡ AI Lesson 3w ago

Soft Actor-Critic — Exploration Becomes Part of the Objective

Algorithms in Python— Advanced Reinforcement Learning, Part 5 Continue reading on Medium »

Medium · Python 🎮 Reinforcement Learning ⚡ AI Lesson 3w ago

Soft Actor-Critic — Exploration Becomes Part of the Objective

Algorithms in Python— Advanced Reinforcement Learning, Part 5 Continue reading on Medium »

Medium · Machine Learning 🎮 Reinforcement Learning ⚡ AI Lesson 3w ago

A Practical Guide to Implementing the REINFORCE Algorithm in Python(Part 2)

Learn how to build the REINFORCE algorithm from scratch using Python, PyTorch, and Gymnasium with a step-by-step, beginner-friendly… Continue reading on Medium

Medium · Machine Learning 🎮 Reinforcement Learning ⚡ AI Lesson 3w ago

RLHF vs Agent RL: A Model Weight Diff Study

Weight Watchers: I put open models on the scale. This one started as a family-fork story and turned into something better: a… Continue reading on Medium »

Medium · LLM 🎮 Reinforcement Learning ⚡ AI Lesson 3w ago

RLHF vs Agent RL: A Model Weight Diff Study

Weight Watchers: I put open models on the scale. This one started as a family-fork story and turned into something better: a… Continue reading on Medium »

Medium · Machine Learning 🎮 Reinforcement Learning ⚡ AI Lesson 3w ago

RLHF: How AI Learned to Listen to Us

A quick moment of recognition Continue reading on Medium »

Medium · Data Science 🎮 Reinforcement Learning ⚡ AI Lesson 3w ago

RLHF: How AI Learned to Listen to Us

A quick moment of recognition Continue reading on Medium »

Medium · ChatGPT 🎮 Reinforcement Learning ⚡ AI Lesson 3w ago

RLHF: How AI Learned to Listen to Us

A quick moment of recognition Continue reading on Medium »

Medium · Data Science 🎮 Reinforcement Learning ⚡ AI Lesson 3w ago

Reinforcement Learning from Scratch (Part 4): Monte Carlo Methods and Temporal Difference…

A beginner-friendly guide to Monte Carlo Methods in Reinforcement Learning, covering prediction, control, ε-greedy exploration, importance… Continue reading on

Medium · Python 🎮 Reinforcement Learning ⚡ AI Lesson 3w ago

Twin Delayed DDPG — Fixing the Value That Lied

Algorithms in Python — Advanced Reinforcement Learning, Part 4 Continue reading on Medium »

Dev.to · Sebastian Buzdugan 🎮 Reinforcement Learning ⚡ AI Lesson 1mo ago

Snapshot Once, Rollout a Thousand Times: A Practical RL Setup for Coding Agents

Your GPUs aren't the RL bottleneck, rebuilding the environment is. Snapshot the world once, fork it into thousands of rollouts. Real numbers, runnable harness.

Medium · Python 🎮 Reinforcement Learning ⚡ AI Lesson 1mo ago

Trust Region Policy Optimisation — The Exact Method PPO Approximates

Algorithms in Python — Advanced Reinforcement Learning, Part 2 Continue reading on Medium »

ArXiv cs.AI 🎮 Reinforcement Learning 📄 Paper ⚡ AI Lesson 1mo ago

Hierarchical Reinforcement Learning in StarCraft Micromanagement with Influence Maps and Cluster-based Scripts

arXiv:2606.30092v1 Announce Type: new Abstract: Real-time strategy (RTS) games present significant AI challenges, characterized by expansive state-action spaces

Medium · Machine Learning 🎮 Reinforcement Learning ⚡ AI Lesson 1mo ago

Proximal Policy Optimisation — The Clip That Made Policy Gradients Reliable

Algorithms in Python — Advanced Reinforcement Learning, Part 1 Continue reading on Medium »

Medium · Python 🎮 Reinforcement Learning ⚡ AI Lesson 1mo ago

Proximal Policy Optimisation — The Clip That Made Policy Gradients Reliable

Algorithms in Python — Advanced Reinforcement Learning, Part 1 Continue reading on Medium »

ArXiv cs.AI 🎮 Reinforcement Learning 📄 Paper ⚡ AI Lesson 1mo ago

Tandem Reinforcement Learning with Verifiable Rewards

arXiv:2606.28166v1 Announce Type: new Abstract: Reinforcement learning with verifiable rewards (RLVR) has significantly improved the reasoning capability of lar

ArXiv cs.AI 🎮 Reinforcement Learning 📄 Paper ⚡ AI Lesson 1mo ago

Retroactive Advantage Correction: Closed-Form V-Trace Bias Correction for Delay-Aware RLHF

arXiv:2606.27580v1 Announce Type: cross Abstract: Reinforcement learning from human feedback (RLHF) in production does not always have a synchronous reward sign

Dev.to · Devanshu Biswas 🎮 Reinforcement Learning ⚡ AI Lesson 1mo ago

Q-Learning From Scratch: Reinforcement Learning in a Gridworld

No labels, no "correct answer" — just rewards. Reinforcement learning lets an agent figure out the...

ArXiv cs.AI 🎮 Reinforcement Learning 📄 Paper ⚡ AI Lesson 1mo ago

Deterministic Pareto-Optimal Policy Synthesis for Multi-Objective Reinforcement Learning

arXiv:2606.26397v1 Announce Type: cross Abstract: Real-world decision-making often requires balancing multiple conflicting objectives, a challenge that standard

Medium · Python 🎮 Reinforcement Learning ⚡ AI Lesson 1mo ago

Deep Q-Networks — When the Q-Table Won’t Fit

Algorithms in Python— Reinforcement Learning, Part 3 Continue reading on Medium »

Medium · Deep Learning 🎮 Reinforcement Learning ⚡ AI Lesson 1mo ago

Why Reinforcement Learning Is Harder in Trading Than in Games Like Chess

The Fundamental Difference Between Beating a Grandmaster and Beating the Market Continue reading on InsiderFinance Wire »

ArXiv cs.AI 🎮 Reinforcement Learning 📄 Paper ⚡ AI Lesson 1mo ago

Auto-exploration for online reinforcement learning

arXiv:2512.06244v2 Announce Type: replace-cross Abstract: The exploration-exploitation dilemma in reinforcement learning (RL) is a fundamental challenge to effi

ArXiv cs.AI 🎮 Reinforcement Learning 📄 Paper ⚡ AI Lesson 1mo ago

An Introduction to Causal Reinforcement Learning

arXiv:2606.24160v1 Announce Type: new Abstract: Causal inference provides a set of principles and tools that allow one to combine data and knowledge about an en

ArXiv cs.AI 🎮 Reinforcement Learning 📄 Paper ⚡ AI Lesson 1mo ago

Learning to Trigger: Reinforcement Learning at the Large Hadron Collider

arXiv:2606.23993v1 Announce Type: cross Abstract: High-throughput scientific facilities such as the Large Hadron Collider depend on real-time event filtering (\

ArXiv cs.AI 🎮 Reinforcement Learning 📄 Paper ⚡ AI Lesson 1mo ago

EMAgnet: Parameter-Space EMA Regularization for Policy Gradient Self-Play in Large Games

arXiv:2606.23995v1 Announce Type: cross Abstract: Recent work has established that regularized policy gradient methods such as PPO, when used in self-play, can

Dev.to · Shrijith Venkatramana 🎮 Reinforcement Learning ⚡ AI Lesson 1mo ago

Reinforcement Learning with Verifiable Rewards: Why AI is Learning to Grade Its Own Homework

Hello, I'm Shrijith Venkatramana. I'm building git-lrc, an AI code reviewer that runs on every...

ArXiv cs.AI 🎮 Reinforcement Learning 📄 Paper ⚡ AI Lesson 1mo ago

IRumAI: Reinforcement Learning for Indian Rummy

arXiv:2606.21975v1 Announce Type: new Abstract: Despite its massive player base and complex hidden-information dynamics, Indian Rummy has received no reinforcem

ArXiv cs.AI 🎮 Reinforcement Learning 📄 Paper ⚡ AI Lesson 1mo ago

Select-to-Act: Hierarchical Reinforcement Learning via Adaptive Language Guidance

arXiv:2606.22350v1 Announce Type: cross Abstract: Reinforcement Learning (RL) has been widely applied to sequential decision-making, yet it often suffers from p

ArXiv cs.AI 🎮 Reinforcement Learning 📄 Paper ⚡ AI Lesson 1mo ago

Hierarchical Reinforcement Learning for Sparse-Reward Search in Commutative Algebra

arXiv:2606.22922v1 Announce Type: cross Abstract: Applying machine learning techniques to solving long-standing mathematical conjectures can be particularly cha

Medium · LLM 🎮 Reinforcement Learning ⚡ AI Lesson 1mo ago

Reward hacking in Reinforcement learning

A field guide to reward hacking in GRPO — why it happens, how it hides, and what actually fixes it Continue reading on Medium »

Medium · Machine Learning 🎮 Reinforcement Learning ⚡ AI Lesson 1mo ago

SARSA — The On-Policy Sibling That Learns to Play It Safe

Algorithms in Python — Reinforcement Learning, Part 2 Continue reading on Medium »

Medium · Python 🎮 Reinforcement Learning ⚡ AI Lesson 1mo ago

SARSA — The On-Policy Sibling That Learns to Play It Safe

Algorithms in Python — Reinforcement Learning, Part 2 Continue reading on Medium »