TrainRL · Post-training research

From learning signal
to useful behavior.

TrainRL publishes post-training language model research one technical blog at a time so each finding has room to be read, tested, and discussed.

TrainRL is independent research by Vikram Kharvi.

Start with LLM post-training Follow future releases

Current release / Blog 01

LLM post-training: what it is, why it matters, and when to use it.

What post-training is, why it matters, how RL environments fit, and when reinforcement learning is the right tool.

Read the introduction

Public research / 01 blog

Available now

The remaining field notes are preserved off the public site and will be released gradually.

01
Blog 01 · 13 Aug 202626 min read
LLM Post-Training: What It Is, Why It Matters, and When to Use It
What post-training is, why it matters, how RL environments fit, and when simpler system changes are better.
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