AI Companies in San Francisco, CA
Browse 650 AI companies headquartered in San Francisco, CA, with a combined $557.0B + €505M + £73M in funding raised.
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AI Companies in San Francisco, CA
OpenAI
San Francisco, CA
AI research and deployment company behind ChatGPT, the GPT series of large language models, DALL-E image generation, and the Sora video model. The fastest-growing consumer AI platform with over 200 million weekly active users.
Anthropic
San Francisco, CA
Anthropic raised $7.3B+ total funding (2026). Creator of Claude AI—see investors (Google, Amazon, Spark), $2B+ ARR, how Claude compares to GPT-4.5, Gemini 3.
CoreWeave
San Francisco, CA
AI cloud infrastructure provider powering large-scale training and inference. CoreWeave raised $7.5B in recent funding rounds—see the latest details.
Prometheus
San Francisco, CA
Builds an artificial general engineer aimed at applying advanced AI capabilities to engineering and manufacturing challenges in the physical world.
DeepSeek
San Francisco, CA
Develops foundation models and AGI research platforms for organizations and research institutions, focusing on large-scale model capabilities and deployment.
Project Prometheus
San Francisco, CA
Develops artificial intelligence technology as a newly formed startup backed by a reported $10 billion undisclosed financing round.
Databricks
San Francisco, CA
Unified analytics platform combining data engineering, data science, and machine learning on a single lakehouse architecture. Founded by the creators of Apache Spark, Databricks offers a Data Intelligence Platform with built-in governance, real-time streaming, and the open-source Unity Catalog. A critical infrastructure layer powering enterprise AI and one of the most valuable private tech companies globally.
Firmus
San Francisco, CA
Builds and operates AI-optimized data centers and infrastructure to support large-scale compute workloads, backed by Nvidia and funded with $505M.
Nebius
San Francisco, CA
AI infrastructure funding tracker: Nebius raised $4.3B in 2026's largest rounds. Compare top AI deals, mega-rounds & latest June 2026 raises.
Helsing
San Francisco, CA
AI defense startup funding: Helsing raised $2B+ in its latest 2026 round. See full investor details, valuation data, and round breakdown inside.
Circle
San Francisco, CA
Develops and operates the Arc blockchain and associated blockchain infrastructure and services for the digital asset ecosystem.
Thrive Holdings
San Francisco, CA
The company brings OpenAI-backed artificial intelligence capabilities to enterprise customers seeking to adopt AI across business operations.
Isomorphic Labs
San Francisco, CA
Develops artificial intelligence technologies and platforms for commercial and research users, affiliated with Google and recently securing over $2 billion.
Valar
San Francisco, CA
Develops small nuclear reactors intended to supply power for AI infrastructure and energy-intensive computing workloads.
Jouleant
San Francisco, CA
Focuses on power infrastructure for AI workloads, backed by a $1.75 billion undisclosed round associated with National Grid.
Joulent
San Francisco, CA
AI technology company backed by $1.75B in strategic financing. Discover Joulent's innovations, leadership team, products, and latest developments.
Atoms
San Francisco, CA
Develops robotics technology under Travis Kalanick, with a $1.7 billion undisclosed round led by Andreessen Horowitz.
Kalshi
San Francisco, CA
Develops AI products and services and on 2026-03-19 closed an undisclosed $1.0 billion financing reported as part of a new $22 billion funding event.
Scale AI
San Francisco, CA
Data platform for AI, providing high-quality training data, model evaluation, and RLHF infrastructure for the world's leading AI labs. Scale AI's data engine powers frontier models from OpenAI, Meta, and government agencies. Also offers enterprise generative AI deployment and has become a critical supply-chain partner for the entire foundation model ecosystem.
World Labs
San Francisco, CA
Spatial intelligence company building frontier AI models that can perceive, generate, reason, and interact with the 3D world. Founded by AI pioneer Fei-Fei Li.
Cipher Digital
San Francisco, CA
Develops data center infrastructure, including an Amazon-tied project financed through an $810 million junk debt sale.
Sierra
San Francisco, CA
Provides enterprise AI products and services to help organizations deploy and manage AI at scale across enterprises worldwide.
Cognition
San Francisco, CA
Develops AI coding tools aimed at helping software teams automate and accelerate programming workflows for software development.
River AI
San Francisco, CA
Develops artificial intelligence products, with its specific platform and customer focus not disclosed in the available funding context.
True Anomaly
San Francisco, CA
Delivers space-focused security solutions to safeguard satellites and other space assets for commercial and government operators.
Fluidstack
San Francisco, CA
Cloud GPU infrastructure provider that raised funding in June 2026 to scale enterprise AI deployment. See latest round details, investors, and valuation.
IM8
San Francisco, CA
A health drink startup associated with David Beckham develops wellness beverages and secured $1 billion from General Catalyst’s CVF fund.
Ineffable Intelligence
San Francisco, CA
Ineffable Intelligence designs next-generation AI memory chips to overcome the memory bandwidth bottleneck limiting AI training and inference. As large language models demand ever more memory throughput, Ineffable's specialized memory architecture addresses a critical constraint that traditional DRAM and HBM solutions struggle to meet at scale.
Physical Intelligence
San Francisco, CA
Robot foundation model lab valued at $5.6B after a $600M CapitalG-led Series B. Backers include Bezos, Thrive, and OpenAI's fund.
Valar Atomics
San Francisco, CA
Develops atomic energy infrastructure intended to supply large-scale power for AI-era compute and other high-demand industrial users.
Whoop
San Francisco, CA
Develops wearable fitness technology and raised $575M in a Series G from athletes, celebrities and institutional investors, reaching a $10.1B valuation.
Cursor
San Francisco, CA
AI-first code editor built to supercharge developer productivity with intelligent autocomplete, chat, and deep codebase understanding. Forked from VS Code, Cursor integrates frontier LLMs directly into the editing experience for code generation, refactoring, and debugging. It has become the fastest-adopted AI coding tool among professional developers, reaching $100M+ ARR in record time.
Dogotix
San Francisco, CA
Develops humanoid robots as XPeng Motors’ robotics unit, applying embodied AI to human-form robotic systems.
Mind Robotics
San Francisco, CA
Intelligent robotics company developing collaborative robots for industrial manufacturing, leveraging production-scale data from a strategic partnership with Rivian.
Slate Auto
San Francisco, CA
Designs and builds electric pickup trucks for consumer and commercial buyers, backed by Bezos investors and funded with $650M from TWG Global.
AI² Robotics
San Francisco, CA
Builds wheeled humanoid robots, positioning the company in the AI robotics market for embodied automation platforms.