AI/ML startups in San Francisco

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

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

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

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

Sourceress

San Francisco

Sourceress is a San Francisco-based AI recruiter, founded in 2017, with a 35-person team. Its process leaves hiring managers excited about candidates more than 85% of the time.

Pickle

San Francisco

Pickle is a New York startup building an AI avatar that speaks in your voice to connect on your behalf, aiming to scale human ties in the age of AI, backed by Y Combinator, NFX, Krew Capital, and BASS Ventures.

Govini

San Francisco

Govini transforms Defense Acquisition from an outdated manual process into a software-driven strategic advantage for the United States, serving the national security community and every department of the military by enabling faster, more in

Cuckoo Labs

San Francisco

Cuckoo Labs uses AI to break down language barriers for global teams with AI-driven language solutions. It is trusted by Snowflake, PagerDuty, Weights & Biases, and ClickHouse to enable global collaboration.

Deepgram

San Francisco

Deepgram is a foundational AI company focused on speech transcription and understanding, building AI for speech. A Y Combinator company and NVIDIA partner, it completed a $72M Series B and says it is most-funded speech AI company at its sta

SafetyKit

San Francisco

SafetyKit is a content-moderation AI company that replaces human moderators with language models, serving Character.ai, Substack, Upwork, Faire and Eventbrite. Founded by Stripe/Airbnb veterans, it uses open-source and hosted LMs, vision mo

Optifye.ai

San Francisco

It provides production management services powered by vision AI, focusing on applying vision AI to production processes.

Same

San Francisco

Same enables anyone to prompt software into existence, March 2025 mission that drew 350,000 signups and seven-figure ARR. Led by Aiden Bai and Nisarg Patel, it develops open-source Million.js and React Scan, in production at Airbnb, Robinho

Triomics

San Francisco

Triomics provides an oncology-focused AI engine, OncoLLM, that reduces the burden of manual chart review for cancer care providers and accelerates clinical trial enrollment while powering quality improvement and strategic initiatives.

Neon Health

San Francisco

Neon Health automates patient access workflows for pharma companies, streamlining benefit verifications, prior authorizations, financial assistance enrollment, onboarding, and adherence management to accelerate access to life-saving treatme

Partcl

San Francisco

Partcl develops the next generation of chip design automation tools powered by GPUs and AI, claiming its tools are 1000x faster than legacy options.

Camfer

San Francisco

Camfer enables engineers to use natural language for CAD tasks, building AI agents that autonomously design, source off-the-shelf parts, and generate drawings. It has Y Combinator recognition and OpenAI's o1 hackathon wins, plus a $4.8M see

Hamming AI

San Francisco

Hamming automates testing for AI voice agents, creating simulations with real conditions to ensure reliability. Led by CEO Sumanyu and CTO Marius, it uses OpenAI/Anthropic tech and has seen 8x revenue growth last month.

Sonia

San Francisco

San Francisco startup developing Sonia, a safe AI therapist designed to clinically match 99th percentile human therapist and broaden access to mental health care. A team has raised $3.5M from YC, Moonfire, Verkada, Reddit, Instacart founder

Accend

San Francisco

Accend builds AI-powered risk, compliance, and underwriting automation tools for fintechs and banks. A YC S23 graduate, it has raised $6.2M in seed funding from Adverb Ventures, YC, General Catalyst, and 645 Ventures; clients include Pleo,

Penciled

San Francisco

Penciled is a healthcare tech company building an AI-driven patient engagement agent for physical therapists to automate time-consuming front-desk tasks; part of Y Combinator's Winter 2024 cohort and deployed across multiple PT chains natio

Ocular AI

San Francisco

Ocular AI offers an annotation engine for Generative AI, Computer Vision, and Enterprise AI, with Ocular Foundry for labeling, versioning, and deploying data, and Ocular Bolt leveraging a global expert workforce to accelerate labeling at sc

Olive

San Francisco

Olive enables companies to create internal tools by describing their needs in natural language, positioning itself as the fastest way to create internal tools. It has raised a $2.1 million seed round and is scaling its team.

AgileMD

San Francisco

AgileMD develops a cloud-based hospital decision-support platform used by thousands of physicians across hospitals and clinics in the United States, headquartered in San Francisco, delivering care decisions grounded in current medical knowl

Lamar Health

San Francisco

Lamar Health leverages data science and AI to scale staff expertise for specialty medication workflows and automate patient paperwork, building infrastructure that connects care teams, clinics, and patients.

Vly.ai

San Francisco

vly.ai is building an AI full-stack development platform that can architect, build, deploy, and iterate on complete applications autonomously, aiming to replace most full-stack work within a year and competing with Replit, Lovable, and bolt

Morph

San Francisco

MorphLLM develops Fast Apply models for code editing AI, claiming the fastest LLM code-editing inference engine, delivering 10,500 tokens per second per request on Nvidia hardware. Its stack enables high-throughput AI workflows for coding a

Intercept

San Francisco

Intercept uses AI to automate auditing of retailer and distributor fees in the CPG sector, disputing invalid charges to recover money for brands and strengthen trust in transactions among brands, distributors, and retailers in a multi-trill