AI/ML startups in San Francisco Bay Area

Altimate AI

Sunnyvale

Altimate AI, founded in 2022 in San Francisco, delivers AI-driven automation for enterprise data operations and analytics to automate and accelerate data tasks, aiming to ease overworked data teams; backed by prominent investors and serving

Scritch

San Francisco

Scritch is building the leading AI-powered operating system for veterinary care, providing AI agents to streamline operations for veterinary clinics, including scheduling and clinical workflows.

Blaze

San Francisco

Blaze is the first AI agent that handles marketing for you, founded by Faiyam Rahman and Luc Succès and backed by Y Combinator. Its mission is to free business owners and marketing teams to focus on high-impact growth.

Enhanced Radar

San Francisco

The company develops safer aviation systems with a focus on next-generation air traffic control, aiming to advance aviation safety by delivering modern ATC solutions and defining its work in the aviation technology sector.

Bucket Robotics

San Francisco

Bucket Robotics seeks to solve the problem that 95% of industrial robots are blind, addressing robot blindness as its core mission.

Syntra

San Francisco

Syntra operates in healthcare revenue cycle management, integrating with all major EHR systems. It processes hundreds of millions of dollars in charges annually and aims to increase revenue, reduce audit risk and denials, and shorten accoun

Metis

San Francisco

Metis helps enterprises build reliable AI agents for Fortune 500 enterprises and frontier AI labs; it reports six-figure monthly revenue and 150%+ MoM growth, backed by Y Combinator, CRV, and executives from OpenAI, Google, Mercor, and NVID

Maitai

Redwood City

Maitai is an enterprise AI company that manages the LLM stack for enterprises, aiming for the fastest, most reliable inference. It is trusted by YC startups and public companies to manage their models and agents for real-time use.

Soff

San Francisco

Soff is an AI-powered supply chain hub that integrates with email and ERP systems to automate procurement workflows, leveraging years of supply chain data to save manufacturers time and money.

Unsloth AI

San Francisco

Unsloth AI, a San Francisco–based company, makes custom AI accessible by fixing critical LLM bugs (Gemma, Llama, Phi-4) and conducting open-source RL and fine-tuning; YC S24-backed with investors such as Logan Kilpatrick and Jon Oringer, us

Idler

San Francisco

Idler builds reinforcement learning coding environments that train AI to code like elite engineers using real-world scenarios. It closed a multimillion-dollar contract with a leading foundation lab and is scaling to power the training data

Attunement

San Francisco

Attunement, a YC W24 company, builds compliance infrastructure that connects clinical data pipelines, model outputs, and audit systems to make AI-assisted behavioral care traceable, explainable, and auditable. Clinics cut audit prep time by

Flair Labs

Palo Alto

Flair Labs builds the Flair Agent platform for real estate and lending, enabling teams to deploy autonomous agents that execute complex workflows, synthesize real-time data from diverse sources, and improve decision making.

Photonium

San Francisco

Photonium is building a next-generation design automation platform for optical systems, using AI to automate layout generation, optimization, simulation, tolerancing, and sourcing, marketed as an optics-focused alternative to Cadence or Syn

Stream

San Francisco

Stream Platforms, Ltd is a B Corporation delivering fair financial services and modernizing insurance, whose Stream platform serves three million people through 2,000 brands across UK, Europe and the US, backed by YC and investors as a fina

Simplify

San Francisco

Simplify builds AI-enabled hiring infrastructure to democratize the job search, offering an AI-powered talent agent to help users plan, manage, and achieve career goals, backed by Craft and Y Combinator, with 1M job seekers applying to 100M

HOAi

San Francisco

HOAi is a fast-growing community association management platform acquired by Vantaca in 2024; backed by Cove Hill Partners and JMI Private Equity, it achieved seven-figure ARR growth and now serves over 6 million doors, as Vantaca reached a

Laurel

San Francisco

Laurel is the world’s first AI Time platform for professional services firms, founded in 2018. It serves many of the world’s largest accounting, consulting and law firms.

Hightouch

San Francisco

Hightouch is a San Francisco-based data activation company that enables teams to activate customer data at scale atop existing data infrastructure. Its Series C valued at $1.2B, with a client list that includes Calendly and Autotrader.

Revery AI

San Francisco

Revery AI is a platform and social network for fashion creators uniting designers, stylists, influencers, and casting directors to produce designs and content. It aims to be the TikTok for fashion, a launchpad for labels, backed by YCombina

Sonatus

Sunnyvale

Sonatus enables AI-enabled software-defined vehicles for leading OEMs, accelerating the transformation of automotive software. Its technology is in production in more than 5 million vehicles and is rapidly expanding.

CoinTracker

San Francisco

CoinTracker enables global users to track assets across 300+ exchanges and 8,000+ cryptocurrencies, managing over $50B and representing 3% of the market; profitable, rapidly growing, and recently raised a $100M Series A, with partnerships i

Capitol AI

San Francisco

Capitol AI builds intelligence infrastructure for data-heavy enterprises, offering a model-agnostic platform that delivers decision-grade insights and trusted answers to reduce 80% AI project failure rate; it partners with owners of proprie

Hex

San Francisco

Hex provides a data analytics platform that makes analytics workflows more powerful, collaborative, and shareable, addressing key pain points in modern data tooling; used by thousands worldwide for its beautiful UI and exceptional flexibili

SentiLink

San Francisco

SentiLink provides identity and risk solutions to prevent synthetic fraud, identity theft, and first-party fraud at account opening, serving major banks, credit unions, and fintechs. Founded in 2017 in San Francisco, it has raised $85 milli

Orum

San Francisco

Orum is a remote-first company delivering AI-powered selling technology that helps thousands of sales teams connect 5x faster and book millions in new pipeline every month, redefining how revenue is created in sales.

Reforge

San Francisco

Reforge combines expert product-management training with AI-powered tools that help teams ship high-quality software faster; they've launched two AI tools and plan more, blending cutting-edge software with insights from top practitioners to

Instrumentl

San Francisco

Instrumentl is a YC-backed SaaS platform that helps nonprofits discover, track, and win grant funding. Serving 4,000+ clients, it is cash-flow positive with 100%+ YoY growth and aims to advance fundraising automation.

Scribe

San Francisco

Scribe helps organizations document and scale how work gets done, empowering everyone to do their best work. Trusted by 4 million users across 600,000 organizations; reaches 94% of Fortune 500 and named Forbes Next Billion-Dollar Startup an

Volley

San Francisco

**Volley** Voice AI games on smart speakers, TVs, and mobile Volley builds the best voice AI games and entertainment experiences for Amazon Alexa, smartphones, and TVs. Popular Volley voice games include “Song Quiz”, “Jeopardy!”, and “The

Replicate

San Francisco

Replicate is a San Francisco-based company focused on open-source AI models and cloud deployment, enabling easy running and hosting of ML models. Founded in 2019, it has a 36-person team and raised $40 million in December 2023.

Faros

San Francisco

Faros AI helps enterprises boost engineering productivity and developer experience by analyzing data from 100+ SaaS tools and custom sources, delivering insights, pinpointing friction and root causes, and offering team-tailored recommendati

ActiveLoop

Mountain View

Activeloop is an AI data infrastructure company helping organizations unlock the value of their data for AI initiatives; its team hails from Princeton, Stanford, Google and Tesla, and it serves Intel, Matterport, Bayer, and others.

Socure

San Francisco

Socure builds identity trust infrastructure to verify all good identities in real time and stop fraud before it starts. It serves financial services, government, gaming, healthcare, telecom, and e-commerce, with customers including Chime, S

Veryfi

San Mateo

Veryfi is an AI-based platform that converts unstructured business documents into structured data, trusted by enterprises. It has raised $12 million from investors including NewView Capital, Act One Ventures, TI Platform, Y Combinator and Z

Codex Health

San Francisco

Codex is a mission-driven health technology company developing modern, powerful, and intuitive products to help healthcare providers deliver the best outcomes for patients.

Probably Genetic

San Francisco

Probably Genetic operates a data platform for drug developers and patient advocacy groups to identify undiagnosed patients, analyze disease state with ML and at-home testing, and enable early diagnoses, trials, and treatments for severe dis

Nanonets

San Francisco

Nanonets is an AI-driven platform that automates document processing and data extraction using OCR and deep learning, scalable from small deployments to enterprise-grade automation with an API-integrated solution; it counts 35% of Fortune 5