SF Tensor

Candidature YC de SF Tensor

Fall 2025Active

SF Tensor a été sélectionné par Y Combinator dans le cadre du batch Fall 2025 en tant qu'entreprise B2B. Ci-dessous : ce que fait l'entreprise, qui l'a fondée, et sa candidature à YC, reconstruite question par question dans le vrai formulaire YC.

Batch YC
Fall 2025
Secteur d'activité
B2BInfrastructure
Taille de l'équipe
6
Statut
Active
Lancé
2025

Fondateurs

  • Ben Koska
    Ben KoskaFounder
  • Luk Koska
    Luk KoskaFounder
  • Tom Koska
    Tom KoskaFounder

Ce que fait SF Tensor

AI researchers should be pushing the boundaries of what's possible with new architectures and training methods. Instead, they waste weeks configuring cloud infrastructure, debugging distributed systems, and optimizing their GPU code. We know because we lived it: While training our own models across thousands of GPUs earlier this year, we spent more time fighting our infrastructure than doing actual research. That's why we're building two things. First, Elastic Cloud: a managed platform that automatically finds the cheapest GPUs across all providers, handles spot instance preemption, and cuts compute costs by up to 80%. Second, automatic kernel optimization that makes training code run faster by modeling hardware topology, often beating hand-tuned implementations. The problem is that getting high performance across different hardware is genuinely hard. NVIDIA's CUDA moat exists because writing fast kernels requires deep expertise. Most teams either accept vendor lock-in or hire expensive kernel engineers. Our goal is to break the CUDA moat. The compute bottleneck is the biggest constraint on AI progress. NVIDIA can't manufacture enough GPUs, and their monopoly keeps prices astronomical. Meanwhile, AMD, Google, and Amazon are shipping capable alternative hardware that nobody uses because the software is too hard. We're breaking that moat. If we succeed, anyone will be able to train state-of-the-art models without thinking past their PyTorch code.

Candidature YC de SF Tensor, reconstruite

Candidature Y Combinator

SF Tensor, promotion Fall 2025. Les vraies questions de candidature, répondues à partir de données publiques.

  1. Founders2
  2. Company7
  3. Progress7
  4. Idea4
  5. Equity3
  6. Curious2
  7. Batch Preference1

Company

Company name

SF Tensor

Describe what your company does in 50 characters or less.

Infrastructure for AI labs to focus on research

What is your company going to make? Please describe your product and what it does or will do.

We're building two core products. First, Elastic Cloud, a managed platform that automatically finds the cheapest GPUs across cloud providers, handles spot instance interruptions, and cuts compute costs by up to 80%. Second, automatic kernel optimization that models hardware topology to speed up training code, often surpassing hand-tuned implementations. Our goal is to remove infrastructure friction so AI researchers can spend more time experimenting and less time on system ops.

Where do you live now, and where would the company be based after YC?

We do not have a set company location; our team is distributed. We expect to remain remote after YC.

Explain your decision regarding location.

Because our work is mostly software infrastructure targeting global AI labs, we do not depend on location. Remote lets us access talent and collaborate with AI researchers worldwide.

21 réponses supplémentaires dans la candidature complète

se trouvent dans la version complète. Créez un compte gratuit pour l'ouvrir dans YC Insights, à côté de tous les autres batches YC.

Questions fréquemment posées

Est-ce la vraie candidature YC de SF Tensor ?

Non. Y Combinator garde les candidatures soumises privées. Ceci est une reconstruction : les vraies questions du formulaire YC, répondues à partir des données publiques de SF Tensor (notes de lancement, parcours des fondateurs, description du produit). Cela montre comment une entreprise comme SF Tensor se présenterait à YC, pas le texte qu'ils ont soumis.

À quel batch YC SF Tensor appartenait-il ?

SF Tensor faisait partie du batch Fall 2025 de Y Combinator.

Qui a fondé SF Tensor ?

SF Tensor a été fondé par Ben Koska, Luk Koska, Tom Koska.

Que fait SF Tensor ?

Infrastructure for AI labs to focus on research.

Comment lire la candidature complète reconstruite ?

Créez un compte Round Funded gratuit. La version complète de la candidature de SF Tensor en 26 réponses, et de chaque autre promotion YC, se trouve dans YC Insights.

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