Companies

341 companies match. Sources: YC directory, Techstars portfolio, a16z speedrun.

CompanyClusterNicheBatchAI
RightNow

Enabling Model-Hardware Co-Design at Scale

AI infra and computeGPU inference optimization and serverless deploymentYC F26AI-native
Vorelios

AI that simulates physics 1000x faster

AI infra and computePhysics simulation accelerationYC F26AI-native
Atomarine

Off shore nuclear powered data centers at sea.

AI infra and computeoffshore nuclear powered data centersYC S26
Baud

AI chips for ultra-fast model training and inference

AI infra and computeAI training and inference chipsYC S26AI-native
Belvedir

The easiest way to make private AI models.

AI infra and computePrivate model training and optimization infrastructureYC S26AI-native
Computable

Buy, sell, and redeem GPU hours for any week with instant liquidity

AI infra and computeGPU hours marketplaceYC S26
Conifer

Local-first least cost routing system to reduce 80%+ token spend

AI infra and computecost optimization and model routingYC S26AI-native
Dipole Labs

AI-controlled optical switching for AI clusters

AI infra and computeAI cluster optical switching hardwareYC S26AI-native
EdotEnv

A Quant Neolab building toward RSI via quant trading

AI infra and computeRL training environments for quantitative researchYC S26AI-native
Experiential Labs

Turn your AI spend into a cheaper + better model you own

AI infra and computeModel optimization and cost reductionYC S26AI-native
Induction Labs

Building intellectually curious AI

AI infra and computeCurious foundation modelsYC S26AI-native
Lamb Labs

World's fastest AI models

AI infra and computeAI inference acceleration hardwareYC S26AI-native
OpenRelay

Distributed, hardware-agnostic AI inference

AI infra and computedistributed inference platformYC S26AI-native
Parasma

Training human brain cells for AI compute

AI infra and computeBiological neural compute substrateYC S26AI-native
Riften

Earned intelligence for every company

AI infra and computeAI inference routing and optimizationYC S26AI-native
Standard Machines

Teaching AI to Design Chips

AI infra and computeRL environments for chip designYC S26AI-native
Touchmark

Market for future inference capacity

AI infra and computeInference capacity marketplaceYC S26
Tracer

Combining open-source AI models for better answers at lower cost

AI infra and computemulti-model coordination and inference optimizationYC S26AI-native
Understudy Labs

Effortlessly move to open weight models

AI infra and computeinference optimization and model distillationYC S26AI-native
Miruvor AI Inc.

Continual Learning Models.

AI infra and computeContinual learning model frameworks500G SF 37AI-native
Expanse

Unlock wasted GPU capacity.

AI infra and computeGPU utilization and workload optimizationYC X26
Interfaze

AI model built for high accuracy deterministic tasks

AI infra and computeSpecialized AI model architectureYC X26AI-native
KugelAudio

Kugel is an on-prem Voice AI model supporting 30+ languages

AI infra and computemultilingual on-prem TTS inferenceYC X26AI-native
Lamina Labs

Near-real-time video infrastructure for LLMs

AI infra and computeReal-time video generation infrastructureYC X26AI-native
Miso Labs

Emotive foundation voice models

AI infra and computeEmotive voice foundation modelsYC X26AI-native
Sazabi

The AI-native observability platform for fast-moving engineering teams

AI infra and computeAI-native observability and monitoringYC X26AI-native
Zibra Labs

Distributed runtime for AI workloads at scale

AI infra and computedistributed compute for AI workloadsYC X26
Elephint

Home - An Electronics Photonics Integration Company

AI infra and computeoptical computing and photonic AI infrastructure-
AxionOrbital Space

Foundation models for 24/7 Earth Observation

AI infra and computeFoundation models for satellite imageryYC W26AI-native
Carrot Labs

AI Cost Management: Track and attribute AI spend across every provider

AI infra and computeAI spend management and optimizationYC W26AI-native
Cascade

Distilling Proprietary Intelligence

AI infra and computeModel fine-tuning and optimizationYC W26AI-native
Confluence Labs

AI models that learn from experience

AI infra and computeAI models for data-sparse learningYC W26AI-native
Cumulus Labs

The Fastest Multimodal Inference OS

AI infra and computeMultimodal inference OS platformYC W26AI-native
Ndea

Building AGI that can innovate.

AI infra and computefrontier AI systems and reasoningYC W26AI-native
Overshoot

AI Infra for real-time vision applications

AI infra and computeReal-time vision inference platformYC W26
Piris Labs

The Networking Layer of AI

AI infra and computephotonic networking for AI computeYC W26
Polymorph

Building secure polymorphic apps

AI infra and computePolymorphic application securityYC W26
Synthetic Sciences

Infrastructure for Autonomous Science

AI infra and computeRL training for scientific agentsYC W26AI-native
Visibl Semiconductors

A faster, lower cost path to custom silicon

AI infra and computecustom silicon design automationYC W26
Kalpa Labs

Scaling Generalist Speech models

AI infra and computefoundational speech modelsYC F25AI-native
SF Tensor

Infrastructure for AI labs to focus on research.

AI infra and computeManaged GPU infrastructure for AI researchYC F25AI-native
Soren

The AI workforce for business operations.

AI infra and computeModel training and deployment for enterprisesYC F25AI-native
Cactus Compute

Tiny Edge AI For Tiny Devices

AI infra and computeEdge AI runtime and models for tiny devicesYC S25AI-native
Iron Grid

Foundational models for risk and quality.

AI infra and computefoundation models for industrial applicationsYC S25AI-native
Juxta

Building a GPS alternative 100x more powerful with no hardware needed.

AI infra and computeMachine learning-based positioning infrastructureYC S25AI-native
Lilac

We sell GPUs.

AI infra and computeGPU provisioning and infrastructure managementYC S25
Luminal

Making AI run fast on any hardware.

AI infra and computeML compiler and inference optimizationYC S25AI-native
OnDeck AI

Analyze any footage, without training a model

AI infra and computeVision Language Model infrastructureYC S25AI-native
Stellon Labs

Building tiny frontier AI models that run on edge devices

AI infra and computelightweight edge AI modelsYC S25AI-native
Uplift AI

Foundational Voice Models for regional languages

AI infra and computeVoice models for regional languagesYC S25AI-native
Wafer

AI that makes AI fast

AI infra and computeGPU kernel optimization for inferenceYC S25AI-native
Aravolta

Software to monitor, control, and optimize data centers.

AI infra and computedata center monitoring and optimizationYC X25
Feyn

Custom models trained on your data

AI infra and computeCustom model training and deploymentYC X25AI-native
Freesolo

Product Native Models

AI infra and computespecialized model optimization and deploymentYC X25AI-native
Godela

AI Physics Engine to replace simulations and prototypes

AI infra and computeAI physics simulation engineYC X25AI-native
Paper Instruments

Open-source frontier models for knowledge work

AI infra and computeOpen-source frontier model post-trainingYC X25AI-native
ParaQuery

Managed GPU-accelerated Spark + SQL at 2x speed and half the cost

AI infra and computeGPU-accelerated data processing platformYC X25
PgDog

Scaling engine for PostgreSQL

AI infra and computePostgreSQL sharding and scaling infrastructureYC X25
Sygaldry Technologies

quantum-accelerated AI servers

AI infra and computequantum-accelerated AI inferenceYC X25
Tinfoil

Encrypted AI with verifiable privacy

AI infra and computeEncrypted AI execution infrastructureYC X25
Inversion Semiconductor

Manufacturing the most powerful chips, 15x faster

AI infra and computesemiconductor manufacturing equipmentYC W25
Osmosis

Reinforcement Learning (RL) for AI Agents

AI infra and computeRL fine-tuning platform for AIYC W25AI-native
TensorPool

Vercel For GPUs

AI infra and computeGPU orchestration and training platformYC W25
Trim

A foundation model for physics.

AI infra and computePhysics simulation foundation modelYC W25AI-native
ZeroEntropy

Artificial Specialized Intelligence

AI infra and computeTask-specific model optimizationYC W25AI-native
FelixFusion

AI infra and computeAI inference and model optimizationTS 2025AI-native
Zafra Cloud

Zafra Cloud | ERP y Facturación SAR para PYMEs de Honduras

AI infra and computecloud infrastructure platformTS 2025
Zmode

AI infra and computeAI infrastructure and B2B payments integrationTS 2025
Recursal AI, Inc.

AI infra and computeserverless LLM model hosting-AI-native
Archil

The high-performance file system that connects AI to data

AI infra and computehigh-performance data access for AIYC F24
Anthrogen

We're training the next generation of protein foundation models.

AI infra and computeprotein foundation modelsYC S24AI-native
Conductor Quantum

AI that operates quantum computers for scientific discovery

AI infra and computeAI for quantum computer operationYC S24AI-native
d_model

Look inside the model

AI infra and computeAI model interpretability and alignmentYC S24AI-native
deepsilicon

Software and hardware to run neural networks faster and cheaper

AI infra and computeAI inference optimization hardwareYC S24
DeepSim, Inc.

An AI physics simulator for AI chip design

AI infra and computeAI physics simulator for chip designYC S24AI-native
Pipeshift

Ultra-low latency inference cloud for real-time workloads

AI infra and computelow-latency inference serving platformYC S24AI-native
Silurian

Foundation models to simulate Earth, starting with weather.

AI infra and computeEarth simulation foundation modelsYC S24AI-native
Starcloud

Data centers in space

AI infra and computeSpace-based GPU compute infrastructureYC S24
The Forecasting Company

Foundation models for time series

AI infra and computeFoundation models for time seriesYC S24AI-native
Thunder Compute

VMware for GPUs

AI infra and computeGPU virtualization and optimizationYC S24
Unsloth AI

Open-Source Reinforcement Learning (RL) & Fine-tuning for LLMs.

AI infra and computeLLM fine-tuning and RL infrastructureYC S24AI-native
Zettascale

Energy efficient chips for AI

AI infra and computeEnergy-efficient AI accelerator chipsYC S24
Lightspeed Photonics

Manufacturer of optical interconnects intended to integrate processors with high data rate optics to build a modular compute+interconnect heterogeneous system-in-package. The company's products include modular optoelectronic processors and interconnects for data centers and near-edge computing resulting in a scalable server reducing data latency, footprint, and power consumption while increasing the data bandwidth and performance per watt, enabling clients to receive better performance at half the power.

AI infra and computeoptical interconnects for data center-
camelAI

Unlimited inference at $5 per stream

AI infra and computeAffordable inference and streaming APIYC W24AI-native
Downlink

Make your LLMs 3x faster.

AI infra and computeLLM optimization and inference platformYC W24AI-native
Guide Labs

Frontier models and agents you can learn from, audit, and steer.

AI infra and computeInterpretable frontier modelsYC W24AI-native
Tamarind Bio

AI Inference Platform for Drug Discovery

AI infra and computeML inference platform for scientific computingYC W24AI-native
Ubicloud

Open source alternative to AWS

AI infra and computeopen source cloud infrastructureYC W24
Yoneda Labs

Foundation Model for Chemical Manufacturing

AI infra and computeFoundation models for chemistry and materialsYC W24AI-native
AIRS ML

AIRS ML

AI infra and computeIndustrial ML and manufacturing AITS 2024AI-native
G2Q Computing

G2Q Computing — Hybrid Quantum-Classical Software

AI infra and computeAI infrastructure and computingTS 2024AI-native
NanoAPI

NanoAPI - Software architecture for the AI age

AI infra and computeAPI optimization and inferenceTS 2024
Rhenari

Surface, explain, and eliminate product roadmap drift

AI infra and computeAI infrastructure and ML optimizationTS 2024AI-native
Sigen AI

Sigen AI | Privacy-Compliant Video Data Management

AI infra and computeAI infrastructure and ML opsTS 2024AI-native
Sakana AI

Operator of an AI-enabled information technology company headquartered in Tokoyo, Japan. The company specializes in developing a generative AI model and software that can generate text, images, code, and multimedia, enabling clients to collaborate on research and development of generative AI.

AI infra and computeFoundation models and generative AI-AI-native
Automorphic

Infuse knowledge into language models with just 10 samples

AI infra and computeEfficient LLM fine-tuning infrastructureYC S23AI-native
OpenPipe

Turn expensive prompts into cheap fine-tuned models

AI infra and computeModel fine-tuning and optimization infrastructureYC S23AI-native
ParadeDB

Unify application data, vectors, and full-text search in one Postgres

AI infra and computeVector search and retrieval infrastructureYC S23
Shadeform

The GPU Cloud Marketplace

AI infra and computeGPU cloud marketplace and provisioningYC S23
Trainy

Infrastructure for managing GPU clusters for training/serving.

AI infra and computeGPU cluster scheduling and orchestrationYC S23

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