YCS25· AI· DevtoolsLilac
We sell GPUs.
Founders
- Lucas EwingFounder/CEO
- Ryan EwingFounder
Same space
Competitors
Closest in what they build, same category.
Thunder ComputeS24GPUs for AgentsShared: cloud computing, infrastructureActive
UbicloudW24Open source alternative to AWSShared: cloud computing, infrastructureActive
TrainyS23Infrastructure for managing GPU clusters for training/serving.Shared: machine learning, infrastructureActive
TensorPoolW25Vercel For GPUsShared: cloud computingAcquired
CedanaS23Fast, reliable, reproducible AI with GPU live migrationShared: cloud computing, infrastructureActive
Adjacent
Overlapping tags, a different niche.
MaritimeF26The managed cloud for AI agents.Shared: cloud computing, infrastructureActive
CerebriumW22Serverless Infrastructure Platform for AIShared: machine learning, infrastructureActive
CakeworkW23API that adds cloud hosting to any developer platformShared: cloud computing, infrastructureInactive
OmnistrateW23Transform any software to multi-cloud SaaS in minutes not yearsShared: cloud computing, infrastructureActive
Strong ComputeW2210x-1000x faster compute for Neural Network trainingShared: machine learning, cloud computingActive
Also from S25 in AI
Batchmates in Summer 2025.
KERNELS25Crazy fast, open source infra for AI agents to use the InternetActive
DeepAware AI (Robotics Center of Silicon Valley)S25Robots, parts & RL envs & evals - delivered in 48 hrs / pickup in SF.Active
LLM StatsS25Independent AI evaluations labActive
LuminalS25Making AI run fast on any hardware.Active
MagnitudeS25Open source inference server for local modelsActive
ManufactS25Cloud infrastructure for MCP servers and Claude / ChatGPT plugins.Active
Outside YC
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Across fru.dev
About Lilac
Lilac sells flexible GPU contracts and runs the software layer on top: monitoring, bare-metal provisioning, and managed Kubernetes and Slurm. We also run this layer for GPU cloud providers as their named operations and support partner.
San Francisco, CA, USA; Remote
Lilac: questions
Which YC batch was Lilac in?
Lilac was in Y Combinator's Summer 2025 batch (S25).
Is Lilac still active?
Y Combinator lists Lilac as active.
Who founded Lilac?
Lilac's founders, as listed on its YC page: Lucas Ewing (Founder/CEO), Ryan Ewing (Founder).
Where is Lilac based?
Lilac lists San Francisco, CA, USA; Remote 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.