Best AI Services Companies in San Francisco, United States
The 77 best AI Services companies in San Francisco, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Thinking Machines Lab.
Ranked: Best AI Services companies in San Francisco
| # | Company | Disclosed funding | Last round | Stage | Founder | Tech stack | Web popularity | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Thinking Machines Lab 🦄 Developer of customizable multimodal AI systems and open-source AI research. | $2.0B | 3 mo ago | Seed | Mira Murati Co-Founder & CEO | SentryApple iCloud MailGoogle Workspace+14 | Top 1M | — | — |
| 2 | Flapping Airplanes Foundational AI research lab focused on developing data-efficient AI models | $180M | 5 mo ago | Seed | Ben Spector Co-Founder | Google WorkspaceCloudflare Browser InsightsCloudflare+1 | Top 10M | — | — |
| 3 | Mechanical Orchard Generative AI platform offering to modernize legacy application | $74M | 23 mo ago | Series B | Matthew Work Co-Founder & COO | WebflowGSAPSplide+26 | Top 10M | — | 1 launch |
| 4 | ZEALS AI based conversational commerce platform | $63M | 49 mo ago | Series E | Masa Shimizu Founder & CEO | WordPressMySQLPHP+32 | Top 5M | — | — |
| 5 | Strala Provider of AI-assisted claims handling and third-party administrator (TPA) solutions 67Funding top 30%AI top 30%Talent top 38%Global bottom 48% All 5 signals ▾Fundingtop 30% AItop 30% Talenttop 38% Globalbottom 48% Techbottom 40% Funding: Raised $55.3M across 2 rounds · 2 rounds over 1 yrs (2.0/yr) AI: Classified as an AI company · Product described with: artificial intelligence rank vs industry peers · Fliar Intelligence Index 67/100 | $55M | 2 mo ago | Series B | Armando Schmid Co-Founder & CTO | Framer SitesApple iCloud MailGoogle Workspace+7 | Top 10M | — | — |
| 6 | WaveForms Developer of audio language models for real-time voice conversation | $40M | 18 mo ago | Acquired | Alexis Conneau Co-Founder & CEO | — | — | — | — |
| 7 | Tempus Ex Provider of AI & data analytics focused event management services | $37M | 57 mo ago | Series B | Charlie Ebersol Co-Founder & CEO | — | — | 594 patents AI-powered clinical diagnostics and biomarker analysis for cardiac and cancer genomics | — |
| 8 | Harmonic Developer of data security platform designed for artificial intelligence adoption | $26M | 21 mo ago | Series A | Bryan Oneil Co-Founder & CTO | WebflowApple iCloud MailGoogle Workspace+26 | Top 5M | 349 patents Cable broadband hardware and software for DOCSIS, power amplification, and ad insertion | — |
| 9 | Sapient Digital transformation consulting partner that leverages artificial intelligence to help established… | $22M | 18 mo ago | Seed | Austin Zheng Co-Founder | WordPressMySQLPHP+9 | Top 50M | 16 patents Location-based advertising and context-aware digital media delivery platforms | 1 launch |
| 10 | Skai Provider of an omnichannel platform for commerce media that centralizes data and optimizes marketing… | $20M | 146 mo ago | Series B | Nir Cohen Co-Founder & CTO | WordPress Block EditorWordPressApple iCloud Mail+27 | Top 5M | 17 patents Access control, identity management, and distributed graph database orchestration platforms | 1 partnership · 1 award |
| 11 | Perle Provider of expert human-powered AI training data management solutions | $16M | 10 mo ago | Seed | Ahmed Rashad Founder & CEO | Node.jsTailwind CSSReact+12 | Top 10M | — | — |
| 12 | Pathmind Provider of project based AI consulting and IoT services | $15M | 91 mo ago | Deadpooled | Chris Nicholson Founder & CEO | Facebook LoginVarnishBootstrap+18 | Top 10M | — | — |
| 13 | Altera Provider of AI research services | $9M | 26 mo ago | Unfunded | Nico Christie Co-Founder | Google Sign-inTailwind CSSReact+9 | Top 5M | 5,584 patents Programmable logic devices and associated hardware acceleration, memory, and clock management technologies. | — |
| 14 | Pluralis Developer of protocol learning enabling collaborative model training across multiple participants | $8M | 15 mo ago | Seed | Alexander Long Founder | SubstackSentryNode.js+12 | Top 10M | — | — |
| 15 | Heyday Provider of machine learning and natural language processing services | $6M | 47 mo ago | Seed | Sam DeBrule Co-Founder | BootstrapAmazon ALBAmazon Web Services+4 | Top 50M | — | — |
| 16 | Invisible Provider of artificial intelligence systems and process automation for enterprises | $3M | 9 mo ago | Acquired | Francisa Pedraza Co-Founder | WebflowAmazon Web ServicesKnockout.js+22 | Top 1M | 34 patents AI-powered aggregation and analysis of object, sensor, and media data for contextual insights | 1 partnership · 1 award |
| 17 | forml Provider of machine learning services | $546K | 2 mo ago | Series A | Shaine Hirsh Co-Founder | — | — | — | — |
| 18 | Asimov Provider of human activity data for training robotics in real environments | $500K | 5 mo ago | Seed | Anshul Verma Co-Founder | Node.jsThree.jsRadix UI+9 | Top 10M | 70 patents Gene therapy viral vector production platforms and inducible recombinase technologies | — |
| 19 | Burt Provider of custom model building and deployment for various applications | $500K | 5 mo ago | Seed | Kurt Sharma Co-Founder & CTO | — | — | — | — |
| 20 | Lumona Lumona is transforming search by building an internet of AI experts | $500K | 24 mo ago | Seed | Qiong Huang Co-Founder | SentryNode.jsTailwind CSS+15 | Top 50M | — | — |
| 21 | Opslane Developer of local-first software for parallel coding agent session management | $500K | 24 mo ago | Seed | Abhishek Ray Founder | TurbopackNode.jsTailwind CSS+11 | Top 50M | — | — |
| 22 | Ersatz Labs Provider of artificial intelligence services | $500K | 144 mo ago | Deadpooled | — | — | — | — | — |
| 23 | BluelightAI Data science and artificial intelligence company that provides tools for debugging and repairing problems… | $286K | 58 mo ago | Funding Raised | Gunnar Carlsson Founder | Cart FunctionalitySquarespace CommerceSquarespace+12 | Top 50M | — | — |
| 24 | Sidekick Provider of AI chatbot development services | $125K | 36 mo ago | Seed | Jason Fan Co-Founder | — | — | 15 patents Online automotive sales platform enabling manufacturer‑direct vehicle transaction processing. | — |
| 25 | Zyphra 🦄 Developer of multimodal artificial intelligence models, learning algorithms, and systems | — | 8 mo ago | Series A | Beren Millidge Co-Founder and Chief Scientist | Apple iCloud MailGoogle WorkspaceNode.js+13 | Top 1M | — | 4 launchs |
Top 12 AI Services companies in San Francisco
#1
Seed · San Francisco, California · founded 2024$2Braised▾
Developer of customizable multimodal AI systems and open-source AI research. The company builds artificial intelligence systems with an emphasis on human-AI collaboration and model intelligence. It develops models at the frontier of capabilities in domains like science and programming. The company focuses on making AI systems more widely understood and customizable. It publishes technical blog posts, papers, and code to collaborate with the wider community of researchers and builders.
- Mar 2026Seed—
- Jun 2025Seed$2B
- May 2025Grant (prize money)$10M
#2
Seed · San Francisco, California · founded 2025$180Mraised▾
Foundational AI research lab focused on developing data-efficient AI models. Flapping Airplanes is a foundational AI research lab focused on solving the data efficiency problem in artificial intelligence. The company is exploring radically different methods of training AI models.
- Jan 2026Seed$180M
#3
Series B · San Francisco, California · founded 2024$55.3Mraised▾
Provider of AI-assisted claims handling and third-party administrator (TPA) solutions. The company offers a platform that automates claims processing using artificial intelligence. It provides tools for claims routing, fraud detection, and real-time analytics. The platform integrates with existing systems to streamline workflows and optimize decision-making. It also offers multi-channel communication capabilities for customer interactions and vendor follow-ups.
- Mar 2026Series B$51.3M
- Mar 2025Series A$4M
#4
Seed · San Francisco, California · founded 2024$16Mraised▾
Provider of expert human-powered AI training data management solutions. It offers modular solutions for data annotation, enrichment, cleaning, and adversarial robustness assessment. The company utilizes a global network of vetted domain experts to ensure high-quality data for AI model development. Its platform manages complexities such as data labeling, discovery, compliance, versioning, bias auditing, and drift detection, allowing clients to focus on innovation. The solutions are designed to scale and adapt to evolving AI needs and technological advancements.
- Aug 2025Seed$9M
- Oct 2024Seed$7M
#5
Series A · San Francisco, California · founded 2023$546.4Kraised▾
Provider of machine learning services
- Apr 2026Series A$3M
- May 2024Seed$546.4K
#6
Acquired · San Francisco, California · founded 2024$40Mraised▾
Developer of audio language models for real-time voice conversation. The company builds audio intelligence through advanced research and products. It focuses on transforming human-AI interactions, making them natural, engaging, and immersive. The company aims to solve the Speech Turing Test and advance AI toward immersive experiences. It creates a new dimension of AI intelligence by enriching AI with a social-emotional layer.
- Dec 2024Seed$40M
#7
Acquired · San Francisco, California · founded 2015 · 1261 employees$2.6Mraised▾
Provider of artificial intelligence systems and process automation for enterprises. The company builds systems designed for complex situations, offering building blocks for integration with existing workflows. It provides a data platform, process builder, and agentic engine. The company also offers a marketplace connecting clients with human experts for model training and evaluation.
- Sep 2025Series B$100M
- Jul 2019Series A$5.3M
- Oct 2018Seed$2.6M
- Jul 2016Grant (prize money)$225K
#8
Series B · San Francisco, California · founded 2022 · 43 employees$74Mraised▾
Generative AI platform offering to modernize legacy application. It uses AI-enhanced tools and reverse engineering to replicate the behavior of legacy systems in a modern cloud-based environment.
- Jun 2024Series B$69.2M
- Feb 2024Series A$24M
#9
Seed · San Francisco, California · founded 2024$22Mraised▾
Publicis Sapient is a digital transformation consulting partner that leverages AI to help established organizations navigate their digital future. The company's expertise spans across various industries, providing bespoke solutions for clients seeking to capitalize on technology-driven market disruption. With a global presence, Publicis Sapient offers a range of services, including consulting, implementation, and ongoing support to help clients achieve their digital transformation goals. As a leading player in the digital consulting space, Publicis Sapient has a reputation for delivering innovative solutions that drive business value for its clients.
- Dec 2024Seed$22M
#10
Seed · San Francisco, California · founded 2026$500Kraised▾
Provider of human activity data for training robotics in real environments. The company collects data from diverse settings, such as kitchens, offices, and hotels. It handles hardware distribution, data collection, quality assurance, and post-processing. The business delivers clean, annotated datasets intended for training purposes. It also offers opportunities for individuals to earn money by recording their daily activities. Furthermore, the company provides businesses with the opportunity to have labor costs covered in exchange for data collection.
- Jan 2026Seed$500K
#11
Seed · San Francisco, California · founded 2025$500Kraised▾
Provider of custom model building and deployment for various applications. It offers data preparation, training, evaluation, and deployment services. The company manages the entire process, from understanding use cases to deploying models. It helps teams build and deploy custom models. The company focuses on creating datasets, managing training jobs, and running evaluations. It provides deployment options through its platform or to existing infrastructure.
- Jan 2026Seed$500K
#12
Series A · San Francisco, California · founded 2023$26Mraised▾
Developer of data security platform designed for artificial intelligence adoption. The platform offers tools for securing sensitive, unstructured data without impacting efficiency. It provides visibility into shadow AI, protects sensitive data, and mitigates risks of data exposure. The platform helps organizations maintain compliance with advanced safeguards.
- Sep 2024Series A$17.5M
- Sep 2023Seed$8.5M
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of AI Services coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
Common questions
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