YCW24· AI· DevtoolsVibrant Labs
Autonomously scaling environments
ActiveChecked 19h ago
Founders
Not read from YC yet; the weekly run fills these in.
Same space
Competitors
Closest in what they build, same category.
HUDW25Platform for building RL environments and evalsShared: reinforcement learningActive
UnifyW23Models that keep learningShared: reinforcement learning, open sourceActive
CueBenchS26RL post-training for science reasoning and performance engineeringShared: reinforcement learningActive
CartpoleX25Building reinforcement learning environmentsShared: reinforcement learningActive
AviroX25Environments for Long Horizon WorkShared: reinforcement learningActive
Adjacent
Overlapping tags, a different niche.
RiftenS26Earned intelligence for every companyShared: developer tools, reinforcement learning, open sourceActive
OllamaW21Get up and running with large language models.Shared: developer tools, open sourceActive
OktetoW19Cloud Development Environments with one clickShared: developer tools, open sourceActive
hiloopS26Autoresearch as a service: we solve your hardest measurable problemsShared: developer tools, reinforcement learningActive
ReplicateW20Run machine learning models in the cloudShared: developer tools, open sourceAcquired
Also from W24 in AI
Batchmates in Winter 2024.
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nCompass TechnologiesW24Optimize performance on GPUs - 10x fasterActive
OpenFoundryW24The fastest developer experience for building on open source AI.Active
TesseralW24The open source platform for managing identity in business softwareInactive
TrieveW24All-in-one API for search, RAG, & recommendationsAcquired
TuskW24AI agent that generates unit and integration testsInactive
Outside YC
Similar companies on companies.fru.dev.
About Vibrant Labs
We work on methods to autonomously scaling evals/environments for post-training agents.
San Francisco, CA, USA; Remote
Vibrant Labs: questions
Which YC batch was Vibrant Labs in?
Vibrant Labs was in Y Combinator's Winter 2024 batch (W24).
Is Vibrant Labs still active?
Y Combinator lists Vibrant Labs as active.
Where is Vibrant Labs based?
Vibrant Labs 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.