Unsloth AI
YC S24 · Active · Open-Source Reinforcement Learning (RL) & Fine-tuning for LLMs.
Competitors
| Company | Category | Status | Program |
|---|---|---|---|
 TrainLoopShared: fine tuning, reinforcement learningActiveAI, Devtools | AI, Devtools | Active | YCW25 |
 VmaxShared: reinforcement learning, infrastructureNot statedDevtools | Devtools | Not stated | SPC2025 |
 OpenPipeShared: fine tuning, custom model, open sourceAcquiredAI, Devtools | AI, Devtools | Acquired | YCS23 |
 Preference ModelsShared: reinforcement learning, infrastructureNot statedDevtools | Devtools | Not stated | SPC2025 |
 AutomorphicShared: fine tuning, custom model, infrastructureActiveAI, Devtools | AI, Devtools | Active | YCS23 |
 Together AInot in a program hereShared: fine tuning, open source, modelElsewhereOther | Other | Elsewhere | |
 Prime Intellectnot in a program hereShared: reinforcement learningElsewhereOther | Other | Elsewhere |
Adjacent
| Company | Category | Status | Program |
|---|---|---|---|
 VocodeShared: open sourceAcquiredAI, Devtools | AI, Devtools | Acquired | YCW23 |
 OsmosisShared: reinforcement learning, infrastructure, fineActiveAI, Devtools | AI, Devtools | Active | YCW25 |
 OpenFoundryShared: open source, infrastructureActiveAI, Devtools | AI, Devtools | Active | YCW24 |
 Browser UseShared: github star, open sourceActiveAI, Devtools | AI, Devtools | Active | YCW25 |
 Experiential LabsShared: open source, github star, infrastructureActiveAI, Devtools | AI, Devtools | Active | YCS26 |
Also from S24 in AI
All of S24| Company | Category | Status |
|---|---|---|
 Mem0The Memory layer for AI AgentsActiveAI, Devtools | AI, Devtools | Active |
 cmuxOpen source applied AI lab building next-gen devtoolsActiveAI, Devtools | AI, Devtools | Active |
 DoublezeroPlatform to build, use, and monetize fully autonomous agentsActiveAI, Devtools | AI, Devtools | Active |
 expand.aiTurn any website into an API.ActiveAI, Devtools | AI, Devtools | Active |
 HyrexThe COLD Task FrameworkActiveAI, Devtools | AI, Devtools | Active |
 OpslaneVerify AI-generated code before you ship itActiveAI, Devtools | AI, Devtools | Active |
Founders
- Daniel HanFounder
- Michael HanFounder
About Unsloth AI
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!
- YC batch
- S24 · Summer 2024
- Status, per YC
- Active
- Category
- AI, Developer tools
- Team size
- 12
- Location
- San Francisco, CA, USA
- Founded
- 2023
- Checked
- 35m ago
YC tags: Developer Tools, Generative AI, Open Source, Infrastructure, AI
Unsloth AI: questions
Which YC batch was Unsloth AI in?
Unsloth AI was in Y Combinator's Summer 2024 batch (S24).
Is Unsloth AI still active?
Y Combinator lists Unsloth AI as active.
Who founded Unsloth AI?
Unsloth AI's founders, as listed on its YC page: Daniel Han (Founder), Michael Han (Founder).
Where is Unsloth AI based?
Unsloth AI lists San Francisco, CA, USA as its location on YC's directory.
Sources: each program's public company list, read twice a week. Not affiliated with Y Combinator or any other program. Logos via logo.dev; trademarks belong to their owners.