AI agents startups in San Francisco

Michael Truell, Sualeh Asif, Arvid Lunnemark & Aman Sanger

Founded 2022; maker of Cursor, the AI-native code editor that became the fastest-growing developer tool ever — from $100M ARR (Jan 2025) to ~$4B ARR (Jun 2026). Series D (Nov 2025) valued it at $29.3B with N...

Scott Wu, Steven Hao & Walden Yan

Founded 2023; maker of Devin, the autonomous AI software engineer, and acquirer of Windsurf's IDE. Roughly $492M annualized revenue with clients including Goldman Sachs, Citi and Dell. Raised >$1B at a ~$26B...

Hemant Taneja (General Catalyst) & team

Founded 2017 and scaled via General Catalyst; deploys AI and agents (ambient scribe, revenue-cycle automation) across US health systems. Raised $200M+ growth financing at a ~$7B post-money valuation to expan...

AI customer support agents

Founded 2023 by Jesse Zhang and Ashwin Sreenivas (ex-Palantir, Citadel). Enterprise conversational-AI agents for customer support. Raised a $131M Series C (June 2025, $1.5B) co-led by Accel and a16z, then a ...

enterprise AI-native workflow automation

Founded 2022. Builds and deploys AI-native workflows into large-enterprise operations (partnered closely with OpenAI). Raised a $175M Series B at a $1.8B valuation ($200M+ total) from Khosla Ventures and Lig...

enterprise AI search & work assistant

Founded 2019 by Arvind Jain (ex-Google, ex-Rubrik co-founder) and team. Enterprise AI search and agent platform that indexes a company's apps to answer work questions and run agents. One of the Bay Area's fa...

legal AI for law firms & enterprises

Founded 2022 by Winston Weinberg (ex-litigator) and Gabriel Pereyra (ex-DeepMind/Meta AI). AI agents for contract analysis, due diligence, compliance and litigation, used by 142,000+ lawyers across 1,500+ cu...

AI agent engineering platform

Founded 2022 by Harrison Chase. Widely used open-source framework plus LangSmith/LangGraph tooling for building, observing and deploying LLM agents. Raised a $125M Series B at a ~$1.3B valuation (~$160M tota...

enterprise AI customer-service agents

Founded 2023 by Bret Taylor (ex-Salesforce co-CEO, OpenAI chair) and Clay Bavor (ex-Google). Builds branded AI agents that resolve customer-service interactions, billed per successful outcome. Raised a ~$950...

May Habib & Waseem Alshikh

Founded 2020; full-stack generative-AI platform (Palmyra models) for enterprises to build and deploy AI apps and agents on their own data. Raised at a ~$1.9B valuation with ~$326M total funding; a leading en...