What practice advances reinforcement learning beyond tradition?
The answers highlight diverse approaches—ranging from new training methods and data quality to architectural innovations and reward design—showing no single consensus on advancing reinforcement learning.
7 answers
Answers

Diogo Almeida
Software Engineer · Google
RLCD
Diogo Almeida says his team had to create a new type of training they call RLCD, because no one had done anything to optimize for machine native intelligence.
The MAD Podcast with Matt Turck · Watch on YouTube

Nathan Lambert
Founder · Interconnects Ai
Buying High-Quality Data
Nathan Lambert says buying high-quality data is key, arguing a lot of frontier progress in domains that aren't fully verifiable comes from buying high-quality data and giving models worlds to act in.
a16z · Watch on YouTube

Anastasis Germanidis
Co-Founder & CTO · Runway
Learned World Models
Anastasis Germanidis says Learned World Models are the more scalable path, because the model learns the rules of the world from observation instead of having them hand-programmed, with fidelity improving given more data and compute.
Not Boring by Packy McCormick · Not Boring by Packy McCormick · Read

Lasse Espeholt
Co-Founder · Ineffable Intelligence
Using GPUs for RL
Lasse Espeholt says using GPUs for RL, citing his work building an RL agent that utilized GPUs and could scale linearly with compute.
The answer starts at 58:28.
Training Data · Listen on Apple Podcasts
Max Rumpf
Founder · Sid.Ai
Sub-Agent for Searching
Max Rumpf recommends using a sub-agent for searching, because it keeps bad results out of the main agent's context window so the main agent sees more good stuff and is more likely to be correct.
AI Engineer · Watch on YouTube
Richard Socher
CEO · Recursive
Reward Engineering
Richard Socher says reward engineering is one of the most crucial bits, especially in order to avoid reward hacking, because as the AI gets better it gets better at finding weird special cases and counterexamples.
Latent Space · Watch on YouTube
Jerry Tworek
VP of Research · Openai
Combine Pretraining and RL
Jerry Tworek says the practice is to combine pretraining and RL together, claiming that is where an order of magnitude improvement would come from.
Training Data · Training Data · Listen at 27:55
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