Fundraising Fox
/Companies
Sign in

Unsloth AI

YC S24

San Francisco, US · Founded 2023 · 12 employees · Hiring · 16 known investors

Find your way into Unsloth AI

Sign up to see every warm intro you have to Unsloth AI

  • Paths you didn't know you had: your email and LinkedIn already hold routes to the Unsloth AI team. We find them for you
  • 2nd- and 3rd-degree connections: the friend-of-a-friend routes that take hours to manually find through your inbox or LinkedIn
  • Answers now, not in days: momentum is everything in a raise. Skip asking around whether someone knows someone

Days of research, done the moment you sign in, with every route ranked by how warm it is.

Sign up with GoogleAlready have an account? Log in

Unsloth provides tools and models for machine learning optimization and training. The company develops open-source software for efficient model training and deployment.

AI & Machine LearningDeveloper ToolsEnterprise SoftwareGenerative AIOpen SourceInfrastructureAIUnited States of AmericaAmerica / Canada

Founders & leadership· Y Combinator alumni (S24)

Unsloth AI was founded in 2023 by Daniel Han and Michael Han.

DHDaniel Han
Daniel HanCo-FounderDaniel Han previously worked at NVIDIA on algorithmic optimization and has contributed bug fixes to several open-source language models including Gemma, Llama, Mistral, and Phi. He maintains Hyperlearn, an open-source package for accelerating machine learning workflows.
MHMichael Han
Michael HanCo-founder · Chief Technology OfficerFounder of Unsloth AI, which develops open-source software for efficient machine learning model training and optimization.

Investors · 16

Lightspeed Venture Partnerslisted by Lightspeed Venture PartnersMenlo Park · $1M – $5M

How we know: Lightspeed Venture Partners's portfolio page · Y Combinator's founder network · open dataset · 5k.vc investor directory · Not right? Tell us

M12 (Microsoft's Venture Fund)listed by M12 (Microsoft's Venture Fund)Seattle · $100K – $10M

How we know: M12 (Microsoft's Venture Fund)'s portfolio page · Y Combinator's founder network · Not right? Tell us

Pioneerlisted by PioneerToronto, Ontario

How we know: Y Combinator's founder network · pioneerfund.vc · open dataset · 5k.vc investor directory · Not right? Tell us

Samsung Nextlisted by Samsung NextSan Jose · $100K – $5M

How we know: Samsung Next's portfolio page · the VCSheet dataset · open dataset · 5k.vc investor directory · Y Combinator's founder network · Not right? Tell us

Transpose Platform Managementlisted by Transpose Platform ManagementSan Francisco

How we know: Transpose Platform Management's portfolio page · Y Combinator's founder network · Not right? Tell us

Y Combinatorlisted by Y CombinatorSan Francisco · $500K

How we know: the Y Combinator directory · open dataset · 5k.vc investor directory · Not right? Tell us

ACORN HEAVY INDUSTRIESreportedSan Francisco

How we know: Y Combinator's founder network · Not right? Tell us

Andreessen HorowitzreportedMenlo Park · $500K – $50M

How we know: Y Combinator's founder network · Not right? Tell us

DST GlobalreportedGeorge Town, Grand Cayman

How we know: Y Combinator's founder network · Not right? Tell us

GreenoaksreportedSan Francisco · $1M – $50M

How we know: Y Combinator's founder network · Not right? Tell us

Nirman InvestmentsreportedSilicon Valley

How we know: Y Combinator's founder network · Not right? Tell us

Orange CollectivereportedDanville

How we know: Y Combinator's founder network · Not right? Tell us

Sequoia CapitalreportedMenlo Park · $100K – $50M

How we know: Y Combinator's founder network · Not right? Tell us

Twenty Two VenturesreportedPalo Alto · $50K – $250K

How we know: Y Combinator's founder network · Not right? Tell us

Waikit Laureported

How we know: Y Combinator's founder network · Not right? Tell us

Related companies · 10

Hugging FaceHugging Face is a collaboration platform that hosts and provides access to machine learning models, datasets, and applications. It offers both open-source tools for the ML community and paid compute and enterprise solutions for teams building AI applications.
Mem0Mem0 provides memory infrastructure for AI systems, enabling them to build lasting, contextual memory across applications. The platform serves developers and AI companies that need portable memory and personalization capabilities.
OllamaOllama provides a platform for building with and running open-source language models locally and in the cloud. It enables developers to quickly deploy and access models like Claude Code and OpenClaw.
RiftenRiften provides a routing layer that sits between a company's applications and large language model APIs, directing each request to the least expensive capable model and using self-hosted open-weight models where possible to reduce inference costs. It also uses the resulting task data to train private, company-owned models on recurring work, serving businesses that run AI-powered applications.
NVIDIANVIDIA designs GPUs, AI computing hardware, and software platforms for AI development, data centers, autonomous vehicles, and robotics, serving developers, researchers, and enterprises. Its offerings include AI models, power architecture for AI factories, and compute infrastructure used across industries such as manufacturing, healthcare, and automotive.
RunAnywhereRunAnywhere is a research-first inference lab that hand-writes GPU kernels and develops SDKs to accelerate large language model inference on consumer silicon, particularly Apple devices. The company provides inference runtime software and open-source tools for developers deploying AI models on mobile and edge devices.
DataCampDataCamp is a learning platform for teams that teaches data and AI skills through hands-on coursework accessible via web browser and mobile app. It serves enterprise customers and development teams seeking to build technical capabilities.
BotCityBotCity provides a centralized platform for managing Python scripts created by AI or human developers, offering orchestration, monitoring, security controls, and governance capabilities.
LM StudioLM Studio offers Bionic, a locally-run AI agent designed to work with open models for creativity, work, and coding tasks. The product runs natively on local machines rather than in the cloud.
OpenRouterOpenRouter operates an AI gateway that allows developers to access and compare hundreds of language models from multiple providers in a single platform. The service eliminates vendor lock-in while offering improved pricing, uptime, and reliability for companies and developers.

Companies working in the same space as Unsloth AI.

Legal entities · 1

corporate structure
Unsloth AI Inc.

Frequently asked questions

What does Unsloth AI do?
Unsloth provides tools and models for machine learning optimization and training. The company develops open-source software for efficient model training and deployment.
Who founded Unsloth AI?
Unsloth AI was founded by Daniel Han, Michael Han in 2023.
Who are Unsloth AI's investors?
Unsloth AI's investors include Blackbird Ventures, Lightspeed Venture Partners, M12 (Microsoft's Venture Fund), Pioneer, Samsung Next, Transpose Platform Management, Y Combinator, ACORN HEAVY INDUSTRIES and 8 more.
Where is Unsloth AI headquartered?
Unsloth AI is headquartered in San Francisco, US.