r/reinforcementlearning
88k members
r/reinforcementlearning is a subreddit with 88k members. The most common kinds of discussions are ideas, and the community frequently discusses training, struggling, struggle, ppo, and rl, and they frequently recommend/review simulation software, tech stack, and graphics cards.
Reinforcement learning is a subfield of AI/statistics focused on exploring/understanding complicated environments and learning how to optimally acquire rewards. Examples are AlphaGo, clinical trials & A/B tests, and Atari game playing.
Popular Themes in r/reinforcementlearning
#1
Ideas
: "Any research idea"
1 post
Popular Topics in r/reinforcementlearning
#1
Training
4 posts
#2
Struggling
4 posts
#3
Struggle
4 posts
#4
Ppo
4 posts
#5
Rl
2 posts
#6
Help
1 post
#7
Model
1 post
#8
Imitation
1 post
#9
Trajectory
1 post
#10
Self Driving
1 post
Products Discussed in r/reinforcementlearning
Simulation Software
7 reviews
#1
PyBullet
3.0★ from 2 reviews
#2
MuJoCo
1.0★ from 1 review
#3
Unreal
4.0★ from 1 review
Tech Stack
1 review
#1
SB3
4.0★ from 1 review
Graphics Cards
1 review
#1
NVIDIA
5.0★ from 1 review
Flair Used in r/reinforcementlearning
#1
Robot
: "We shipped a $400 robot with a full sim2real RL pipeline. It went viral, and we expect thousands of people to train behaviors on real hardware!"
19 posts
#2
P
: "[P] The evolution of policy gradient methods as a chain of problems and fixes"
11 posts
#3
R
: "Updated Memory Clip More Detail - Simulation RL Research"
9 posts
#4
DL
: "Beginner looking to join an AI/ML project to learn and contribute"
8 posts
#5
Multi
: "The WikiSkill paper validates why we need separate agents for discovering vs. executing skills (and why 4B models make great teachers for 27B models)"
4 posts
#6
D
: "Looking for a Study buddy for Deep Learning"
3 posts
#7
Bayes
: "Modeling a caregiver-escalation decision as a POMDP — sanity check from an RL beginner"
3 posts
#8
Active
: "Finding a group to learn and discuss RL concepts"
2 posts
#9
DL, R, Multi, Exp, Safe
: ""Patterns and problems in multiagent systems", Anthropic (Claude swarm win/losses)"
1 post
#10
DL, MF, Safe, D
: ""RL creates split personas", Jan Bentley (why are chatbot personas increasingly egregiously misaligned in unusual but not everyday scenarios?)"
1 post
Member Growth in r/reinforcementlearning
Yearly
+21k members(31.2%)
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196k members
9.4% / yr
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Last updated: September 7, 2026