Top Artificial Intelligence Startups in California, US

At Toi Labs, we’re pioneering the next frontier of personal health monitoring—starting in the most unexpected place: the bathroom. By transforming the toilet into a passive health companion, we deliver real-time, actionable insights into gut health and more—without requiring users to change their behavior. Our platform enables early detection and preventive care right from the home. Recognized by TIME as a Best Invention of the Year and backed by TOTO, Sloan and the NIH, we’re combining elegant design, embedded technology, and data science to redefine how—and where—healthcare happens.

About Us -Founded in 2017 by IIT Delhi alumni, Attentive is a B2B vertical SaaS company serving the outdoor services industry in the United States. We are building an end to end SaaS platform with a deep-tech core that analyses geospatial imagery, enabling us to provide a suite of software solutions for our clientele.

TrueFoundry is an Enterprise Platform as a service that enables companies to build, ship and govern Agentic AI applications securely, at scale and with reliability through its AI Gateway and Agentic Deployment platform. Its AI Gateway encompasses a combination of - LLM Gateway, MCP Gateway and Agent Gateway - enabling enterprises to manage, observe, and govern access to all components of a Gen AI Application from a single control plane while ensuring proper FinOps controls. Its Agentic Deployment platform enables organizations to deploy models on GPUs using best practices, run and scale AI agents, and host MCP servers - all within the same Kubernetes-native platform. It supports on-premise, multi-cloud or Hybrid installation for both the AI Gateway and deployment environments, offers data residency and ensures enterprise-grade compliance with SOC 2, HIPAA, EU AI Act and ITAR standards. Leading Fortune 1000 companies like Resmed, Siemens Healthineers, Automation Anywhere, Zscaler, Nvidia and others trust TrueFoundry to accelerate innovation and deliver AI at scale, with 10Bn + requests per month processed via its AI Gateway and more than 1000+ clusters managed by its Agentic deployment platform. TrueFoundry’s vision is to become the Central control plane for running Agentic AI at scale within enterprises and empowering it with intelligence so that the multi-agent systems become a self-sustaining ecosystem driving unparalleled speed and innovation for businesses. To learn more about TrueFoundry, visit truefoundry.com.

Kritik is an early-stage but fast growing ed-tech startup working passionately to upgrade college classroom experience with our fun and automated peer-to-peer learning technology. We launched our product into +200 universities and are ready to scale in the upcoming year. We are serial entrepreneurs, backed by some of the top players in the Canadian startup ecosystem including ApplyBoard and GarageCapital. We are looking for smart and motivated people to join the startup and be part of the fast movement in changing the way students are tasked and assessed. Recently, we launched VisibleAI (a completely new product), for which we have developed Artificial Intelligence (AI) for educators and institutions and a platform for academic integrity to equip educators with practical, ready-to-use strategies and prompts while maintaining academic integrity and fostering learning. The goal is to ensure educators are well-equipped to leverage AI, the effectiveness of PBL, and related concepts. The product offers transparency by detecting and reporting AI-generated content, helping educators maintain rigorous academic standards while embracing AI's educational potential.

nOps is an automated cloud optimization platform that makes it easy to allocate and manage cloud usage, commitments, and spend. Managing $4B+ in annual cloud spend, nOps helps companies of every size, from fast-growing startups to global enterprises, reclaim millions in wasted cloud costs. Cloud waste is one of the fastest growing challenges in tech. nOps tackles it by leveraging proprietary ML modeling and AI-powered automation to guide organizations toward the right commitment strategy. The platform eliminates manual provisioning entirely, delivering maximum cost savings without sacrificing reliability, so teams can focus on building and innovating. Trusted by innovative brands around the world, nOps has been recognized as a G2 Top 50 Security Product and G2 Leader for Winter 2025, is an AWS Advanced Technology Partner, and a proud FinOps Foundation Member with our CEO serving on the FinOps Foundation Governing Board.

We are improving the TV viewing experience, enabling content discovery, and addressing audience fragmentation across screens to strengthen television’s business model and relevance to consumers. Our data and measurement products are transforming the way today’s largest brands across the media landscape are thinking about their business. Given the dramatic growth in streaming services, connected devices, time-shifting, and multi-screen viewership, our data solves real problems and creates meaningful competitive advantage for our clients.

Hospitable, an Inc. 5000 company, gifts short-term rental hosts their valuable time back. Founded in 2016, Hospitable’s tools allow hosts to automate the most time-consuming elements of hosting. Hosts use Hospitable to answer 90% of guest messages with AI-powered automated messaging, to automate their team notifications so they never miss a clean, and to avoid double bookings with a synchronized calendar across booking channels. Hospitable allows hosts to build their own direct booking website with guest vetting, $5M damage protection, and payment processing built-in. Hospitable also connects with popular 3rd party online travel agencies such as Airbnb, Vrbo, and [Booking.com](booking.com).

Mosaic is the AI-Powered Workforce Management software that's radically changing how companies are managed. We helps companies manage the skills of their workforce and uses AI to prevent burnout, empowering teams to do their best work while still having a life. Mosaic provides the tools needed to connect and manage a modern distributed workforce.

Tracevision is a cutting-edge AI video analytics company revolutionizing the way businesses leverage video data. Our innovative solutions provide advanced insights into customer behavior, security, and operational efficiency across industries like retail, security, manufacturing, and more. By seamlessly integrating with existing video infrastructure, we enable businesses to proactively detect threats, optimize performance, and uncover valuable trends. At Tracevision, we are driven by a passion for innovation and a commitment to helping our clients solve complex problems through AI-powered technology. Join our dynamic team and help shape the future of video intelligence.

Avoma is an intelligent meeting assistant for professionals to automate common tasks around meetings. We leverage state-of-the-art NLP and machine learning techniques to summarize meeting notes and extract key topics and action items, unlocking the rich trove of data and insights in your conversations.