YCS24· AI· DevtoolsUnsloth AI
Open-Source Reinforcement Learning (RL) & Fine-tuning for LLMs.
Founders
- Daniel HanFounder
- Michael HanFounder
Same space
Competitors
Closest in what they build, same category.
TrainLoopW25Reasoning Fine-TuningShared: developer toolsActive
OpenFoundryW24The fastest developer experience for building on open source AI.Shared: developer tools, open source, infrastructureActive
OpenPipeS23Turn expensive prompts into cheap fine-tuned modelsShared: open sourceAcquired
OsmosisW25Reinforcement Learning (RL) for AI AgentsShared: infrastructureActive
Evidently AIS21Open-source monitoring for machine learning modelsShared: developer tools, open sourceActive
Adjacent
Overlapping tags, a different niche.
MagnitudeS25Open source inference server for local modelsShared: developer tools, open source, infrastructureActive
HyperDXS22Open-source, dev-friendly observability.Shared: developer tools, open source, infrastructureAcquired
Mem0S24The Memory layer for AI AgentsShared: developer tools, open source, infrastructureActive
ManufactS25Cloud infrastructure for MCP servers and Claude / ChatGPT plugins.Shared: developer tools, open source, infrastructureActive
RunAnywhereW26Fastest inference anywhere: open models on-prem, hosted or on-deviceShared: developer tools, open source, infrastructureActive
Also from S24 in AI
Batchmates in Summer 2024.
cmuxS24Open source applied AI lab building next-gen devtoolsActive
DoublezeroS24Platform to build, use, and monetize fully autonomous agentsActive
expand.aiS24Turn any website into an API.Active
HyrexS24The COLD Task FrameworkActive
OpslaneS24Verify AI-generated code before you ship itActive
Random LabsS24Random labs is building long running autonomous coding agents.Active
Outside YC
Similar companies on companies.fru.dev.
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!
San Francisco, CA, USA
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.
Not affiliated with Y Combinator. From YC's public directory. Logos via logo.dev; trademarks belong to their owners.