Unsloth AI
Open-Source Reinforcement Learning (RL) & Fine-tuning for LLMs.
y-combinatorSummer 2024Developer ToolsGenerative AIOpen SourceInfrastructureArtificial Intelligence🇺🇸 San Francisco8 peoplehiring
Daniel Han, Michael Han · 2 co-founders
Profile coverage4 of 8 · missing Funding, Signals, Customers, Stack / tools · last run 8/10/2026
About
Unsloth helps builders create custom models better & faster using RL and custom kernels. We're developing the all in one solution to help you create highly-accurate custom models 30x faster with 90% less memory use. With over 10 million monthly model downloads and 40K GitHub stars, our mission is to make training and open-source the best it can be!