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Unsloth AI (YC S24) — Open-Source reinforcement learning (RL) & Fine-tuning for LLMs

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.

Unsloth AI is a Y Combinator company in the Summer 2024 batch. Its directory entry describes it as: Open-Source Reinforcement Learning (RL) & Fine-tuning for LLMs. The founders listed are Daniel Han (Founder), Michael Han (Founder) (Y Combinator directory entry, September 4, 2024).

6 more companies from YC Summer 2024 ↓

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Unsloth AI

New accelerator entry · 2024-09-04 · the record

Summer 2024
batch
12
people
Early
stage
United States of America
region
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What the record says

BatchSummer 2024
Announced2024-09-04
StageEarly
StatusActive
Team size12
IndustryB2B
Sub-industryB2B -> Engineering, Product and Design
SectorsDeveloper Tools, Generative AI, Open Source, Infrastructure, AI
RegionsUnited States of America, America / Canada
BasedSan Francisco, CA, USA
HiringYes
Sitehttps://unsloth.ai/

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Also in YC Summer 2024

Same batch, B2B first.

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In their words

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!

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Unsloth AI: Accepted into Y Combinator Summer 2024
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Permanent URL: https://mentionfox.com/funding/yc-unsloth-ai
Last updated 2026-10-20
Primary record: Y Combinator directory entry
Unsloth AI (YC S24) — Open-Source reinforcement learning (RL) & Fine-tuning for LLMs. MentionFox, 2026-10-20. https://mentionfox.com/funding/yc-unsloth-ai