Unsloth AI
Open-Source Reinforcement Learning (RL) & Fine-tuning for LLMs.
Unsloth AI is active in the b2b space based in San Francisco, CA, USA.
Profile
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!
Unsloth AI is positioned in b2b, a segment that rewards a clear, focused offering.
The company is recorded as being based in San Francisco, CA, USA.
Directory data places it at the Summer 2024 stage.
The company reports a headcount in the 8 range.
Directory analysis
Unsloth AI is a U.S.-based B2B startup that offers an open‑source platform for reinforcement learning and fine‑tuning of large language models. The company claims its solution enables builders to create highly accurate custom models up to 30× faster while using 90% less memory. With a small team of eight, it has already attracted significant community engagement, boasting over 10 million monthly model downloads and 40 000 GitHub stars.
Positioning: Unsloth AI positions itself as a niche provider for developers seeking efficient, open‑source tools to accelerate LLM customization. Its focus on speed and resource efficiency could appeal to organizations that require rapid deployment of tailored models, though it competes with larger, more established ML infrastructure vendors.
Note: Unsloth AI offers a lightweight, open‑source RL toolkit for faster, memory‑efficient LLM fine‑tuning.
Auto-generated directory analysis from public data · updated 12 Oct 2026. Informational only, not investment advice.
| Sector | B2B |
|---|---|
| Headquarters | San Francisco, CA, USA |
| Country | USA |
| Employees | 8 |
| Stage | Summer 2024 |
Website: unsloth.ai
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