Companies
341 companies match. Sources: YC directory, Techstars portfolio, a16z speedrun.
| Company | Cluster | Niche | Batch | AI |
|---|---|---|---|---|
| RightNow Enabling Model-Hardware Co-Design at Scale | AI infra and compute | GPU inference optimization and serverless deployment | YC F26 | AI-native |
| Vorelios AI that simulates physics 1000x faster | AI infra and compute | Physics simulation acceleration | YC F26 | AI-native |
| Atomarine Off shore nuclear powered data centers at sea. | AI infra and compute | offshore nuclear powered data centers | YC S26 | |
| Baud AI chips for ultra-fast model training and inference | AI infra and compute | AI training and inference chips | YC S26 | AI-native |
| Belvedir The easiest way to make private AI models. | AI infra and compute | Private model training and optimization infrastructure | YC S26 | AI-native |
| Computable Buy, sell, and redeem GPU hours for any week with instant liquidity | AI infra and compute | GPU hours marketplace | YC S26 | |
| Conifer Local-first least cost routing system to reduce 80%+ token spend | AI infra and compute | cost optimization and model routing | YC S26 | AI-native |
| Dipole Labs AI-controlled optical switching for AI clusters | AI infra and compute | AI cluster optical switching hardware | YC S26 | AI-native |
| EdotEnv A Quant Neolab building toward RSI via quant trading | AI infra and compute | RL training environments for quantitative research | YC S26 | AI-native |
| Experiential Labs Turn your AI spend into a cheaper + better model you own | AI infra and compute | Model optimization and cost reduction | YC S26 | AI-native |
| Induction Labs Building intellectually curious AI | AI infra and compute | Curious foundation models | YC S26 | AI-native |
| Lamb Labs World's fastest AI models | AI infra and compute | AI inference acceleration hardware | YC S26 | AI-native |
| OpenRelay Distributed, hardware-agnostic AI inference | AI infra and compute | distributed inference platform | YC S26 | AI-native |
| Parasma Training human brain cells for AI compute | AI infra and compute | Biological neural compute substrate | YC S26 | AI-native |
| Riften Earned intelligence for every company | AI infra and compute | AI inference routing and optimization | YC S26 | AI-native |
| Standard Machines Teaching AI to Design Chips | AI infra and compute | RL environments for chip design | YC S26 | AI-native |
| Touchmark Market for future inference capacity | AI infra and compute | Inference capacity marketplace | YC S26 | |
| Tracer Combining open-source AI models for better answers at lower cost | AI infra and compute | multi-model coordination and inference optimization | YC S26 | AI-native |
| Understudy Labs Effortlessly move to open weight models | AI infra and compute | inference optimization and model distillation | YC S26 | AI-native |
| Miruvor AI Inc. Continual Learning Models. | AI infra and compute | Continual learning model frameworks | 500G SF 37 | AI-native |
| Expanse Unlock wasted GPU capacity. | AI infra and compute | GPU utilization and workload optimization | YC X26 | |
| Interfaze AI model built for high accuracy deterministic tasks | AI infra and compute | Specialized AI model architecture | YC X26 | AI-native |
| KugelAudio Kugel is an on-prem Voice AI model supporting 30+ languages | AI infra and compute | multilingual on-prem TTS inference | YC X26 | AI-native |
| Lamina Labs Near-real-time video infrastructure for LLMs | AI infra and compute | Real-time video generation infrastructure | YC X26 | AI-native |
| Miso Labs Emotive foundation voice models | AI infra and compute | Emotive voice foundation models | YC X26 | AI-native |
| Sazabi The AI-native observability platform for fast-moving engineering teams | AI infra and compute | AI-native observability and monitoring | YC X26 | AI-native |
| Zibra Labs Distributed runtime for AI workloads at scale | AI infra and compute | distributed compute for AI workloads | YC X26 | |
| Elephint Home - An Electronics Photonics Integration Company | AI infra and compute | optical computing and photonic AI infrastructure | - | |
| AxionOrbital Space Foundation models for 24/7 Earth Observation | AI infra and compute | Foundation models for satellite imagery | YC W26 | AI-native |
| Carrot Labs AI Cost Management: Track and attribute AI spend across every provider | AI infra and compute | AI spend management and optimization | YC W26 | AI-native |
| Cascade Distilling Proprietary Intelligence | AI infra and compute | Model fine-tuning and optimization | YC W26 | AI-native |
| Confluence Labs AI models that learn from experience | AI infra and compute | AI models for data-sparse learning | YC W26 | AI-native |
| Cumulus Labs The Fastest Multimodal Inference OS | AI infra and compute | Multimodal inference OS platform | YC W26 | AI-native |
| Ndea Building AGI that can innovate. | AI infra and compute | frontier AI systems and reasoning | YC W26 | AI-native |
| Overshoot AI Infra for real-time vision applications | AI infra and compute | Real-time vision inference platform | YC W26 | |
| Piris Labs The Networking Layer of AI | AI infra and compute | photonic networking for AI compute | YC W26 | |
| Polymorph Building secure polymorphic apps | AI infra and compute | Polymorphic application security | YC W26 | |
| Synthetic Sciences Infrastructure for Autonomous Science | AI infra and compute | RL training for scientific agents | YC W26 | AI-native |
| Visibl Semiconductors A faster, lower cost path to custom silicon | AI infra and compute | custom silicon design automation | YC W26 | |
| Kalpa Labs Scaling Generalist Speech models | AI infra and compute | foundational speech models | YC F25 | AI-native |
| SF Tensor Infrastructure for AI labs to focus on research. | AI infra and compute | Managed GPU infrastructure for AI research | YC F25 | AI-native |
| Soren The AI workforce for business operations. | AI infra and compute | Model training and deployment for enterprises | YC F25 | AI-native |
| Cactus Compute Tiny Edge AI For Tiny Devices | AI infra and compute | Edge AI runtime and models for tiny devices | YC S25 | AI-native |
| Iron Grid Foundational models for risk and quality. | AI infra and compute | foundation models for industrial applications | YC S25 | AI-native |
| Juxta Building a GPS alternative 100x more powerful with no hardware needed. | AI infra and compute | Machine learning-based positioning infrastructure | YC S25 | AI-native |
| Lilac We sell GPUs. | AI infra and compute | GPU provisioning and infrastructure management | YC S25 | |
| Luminal Making AI run fast on any hardware. | AI infra and compute | ML compiler and inference optimization | YC S25 | AI-native |
| OnDeck AI Analyze any footage, without training a model | AI infra and compute | Vision Language Model infrastructure | YC S25 | AI-native |
| Stellon Labs Building tiny frontier AI models that run on edge devices | AI infra and compute | lightweight edge AI models | YC S25 | AI-native |
| Uplift AI Foundational Voice Models for regional languages | AI infra and compute | Voice models for regional languages | YC S25 | AI-native |
| Wafer AI that makes AI fast | AI infra and compute | GPU kernel optimization for inference | YC S25 | AI-native |
| Aravolta Software to monitor, control, and optimize data centers. | AI infra and compute | data center monitoring and optimization | YC X25 | |
| Feyn Custom models trained on your data | AI infra and compute | Custom model training and deployment | YC X25 | AI-native |
| Freesolo Product Native Models | AI infra and compute | specialized model optimization and deployment | YC X25 | AI-native |
| Godela AI Physics Engine to replace simulations and prototypes | AI infra and compute | AI physics simulation engine | YC X25 | AI-native |
| Paper Instruments Open-source frontier models for knowledge work | AI infra and compute | Open-source frontier model post-training | YC X25 | AI-native |
| ParaQuery Managed GPU-accelerated Spark + SQL at 2x speed and half the cost | AI infra and compute | GPU-accelerated data processing platform | YC X25 | |
| PgDog Scaling engine for PostgreSQL | AI infra and compute | PostgreSQL sharding and scaling infrastructure | YC X25 | |
| Sygaldry Technologies quantum-accelerated AI servers | AI infra and compute | quantum-accelerated AI inference | YC X25 | |
| Tinfoil Encrypted AI with verifiable privacy | AI infra and compute | Encrypted AI execution infrastructure | YC X25 | |
| Inversion Semiconductor Manufacturing the most powerful chips, 15x faster | AI infra and compute | semiconductor manufacturing equipment | YC W25 | |
| Osmosis Reinforcement Learning (RL) for AI Agents | AI infra and compute | RL fine-tuning platform for AI | YC W25 | AI-native |
| TensorPool Vercel For GPUs | AI infra and compute | GPU orchestration and training platform | YC W25 | |
| Trim A foundation model for physics. | AI infra and compute | Physics simulation foundation model | YC W25 | AI-native |
| ZeroEntropy Artificial Specialized Intelligence | AI infra and compute | Task-specific model optimization | YC W25 | AI-native |
| FelixFusion | AI infra and compute | AI inference and model optimization | TS 2025 | AI-native |
| Zafra Cloud Zafra Cloud | ERP y Facturación SAR para PYMEs de Honduras | AI infra and compute | cloud infrastructure platform | TS 2025 | |
| Zmode | AI infra and compute | AI infrastructure and B2B payments integration | TS 2025 | |
| Recursal AI, Inc. | AI infra and compute | serverless LLM model hosting | - | AI-native |
| Archil The high-performance file system that connects AI to data | AI infra and compute | high-performance data access for AI | YC F24 | |
| Anthrogen We're training the next generation of protein foundation models. | AI infra and compute | protein foundation models | YC S24 | AI-native |
| Conductor Quantum AI that operates quantum computers for scientific discovery | AI infra and compute | AI for quantum computer operation | YC S24 | AI-native |
| d_model Look inside the model | AI infra and compute | AI model interpretability and alignment | YC S24 | AI-native |
| deepsilicon Software and hardware to run neural networks faster and cheaper | AI infra and compute | AI inference optimization hardware | YC S24 | |
| DeepSim, Inc. An AI physics simulator for AI chip design | AI infra and compute | AI physics simulator for chip design | YC S24 | AI-native |
| Pipeshift Ultra-low latency inference cloud for real-time workloads | AI infra and compute | low-latency inference serving platform | YC S24 | AI-native |
| Silurian Foundation models to simulate Earth, starting with weather. | AI infra and compute | Earth simulation foundation models | YC S24 | AI-native |
| Starcloud Data centers in space | AI infra and compute | Space-based GPU compute infrastructure | YC S24 | |
| The Forecasting Company Foundation models for time series | AI infra and compute | Foundation models for time series | YC S24 | AI-native |
| Thunder Compute VMware for GPUs | AI infra and compute | GPU virtualization and optimization | YC S24 | |
| Unsloth AI Open-Source Reinforcement Learning (RL) & Fine-tuning for LLMs. | AI infra and compute | LLM fine-tuning and RL infrastructure | YC S24 | AI-native |
| Zettascale Energy efficient chips for AI | AI infra and compute | Energy-efficient AI accelerator chips | YC 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 compute | optical interconnects for data center | - | |
| camelAI Unlimited inference at $5 per stream | AI infra and compute | Affordable inference and streaming API | YC W24 | AI-native |
| Downlink Make your LLMs 3x faster. | AI infra and compute | LLM optimization and inference platform | YC W24 | AI-native |
| Guide Labs Frontier models and agents you can learn from, audit, and steer. | AI infra and compute | Interpretable frontier models | YC W24 | AI-native |
| Tamarind Bio AI Inference Platform for Drug Discovery | AI infra and compute | ML inference platform for scientific computing | YC W24 | AI-native |
| Ubicloud Open source alternative to AWS | AI infra and compute | open source cloud infrastructure | YC W24 | |
| Yoneda Labs Foundation Model for Chemical Manufacturing | AI infra and compute | Foundation models for chemistry and materials | YC W24 | AI-native |
| AIRS ML AIRS ML | AI infra and compute | Industrial ML and manufacturing AI | TS 2024 | AI-native |
| G2Q Computing G2Q Computing — Hybrid Quantum-Classical Software | AI infra and compute | AI infrastructure and computing | TS 2024 | AI-native |
| NanoAPI NanoAPI - Software architecture for the AI age | AI infra and compute | API optimization and inference | TS 2024 | |
| Rhenari Surface, explain, and eliminate product roadmap drift | AI infra and compute | AI infrastructure and ML optimization | TS 2024 | AI-native |
| Sigen AI Sigen AI | Privacy-Compliant Video Data Management | AI infra and compute | AI infrastructure and ML ops | TS 2024 | AI-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 compute | Foundation models and generative AI | - | AI-native |
| Automorphic Infuse knowledge into language models with just 10 samples | AI infra and compute | Efficient LLM fine-tuning infrastructure | YC S23 | AI-native |
| OpenPipe Turn expensive prompts into cheap fine-tuned models | AI infra and compute | Model fine-tuning and optimization infrastructure | YC S23 | AI-native |
| ParadeDB Unify application data, vectors, and full-text search in one Postgres | AI infra and compute | Vector search and retrieval infrastructure | YC S23 | |
| Shadeform The GPU Cloud Marketplace | AI infra and compute | GPU cloud marketplace and provisioning | YC S23 | |
| Trainy Infrastructure for managing GPU clusters for training/serving. | AI infra and compute | GPU cluster scheduling and orchestration | YC S23 |
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