AI Services · San Francisco, India

Best AI Services Companies in San Francisco, United States

Updated 2026-06-23 · Ranked by funding & momentum

77 indexable AI Services companies headquartered in San Francisco, United States, ranked by total equity funding and recent funding momentum. Combined disclosed equity funding of $2.6B across 24 funded companies, including 2 unicorns.

77
Companies
$2.6B
Total Funding
24
Funded
2
Unicorns
2
Rounds (90d)

Ranked: Best AI Services companies in San Francisco

#CompanyFundingValuationStage Latest roundEmployeesFoundedMomentum
1 Thinking Machines Lab Unicorn
Developer of customizable multimodal AI systems and open-source AI research.
$2B Seed Seed Mar 2026 2024 ↑ Active
2 Flapping Airplanes
Foundational AI research lab focused on developing data-efficient AI models
$180M Seed Seed Jan 2026 2025 ↑ Active
3 Strala
Provider of AI-assisted claims handling and third-party administrator (TPA) solutions
$55.3M Series B Series B Mar 2026 2024 ↑ Active
4 Perle
Provider of expert human-powered AI training data management solutions
$16M Seed Seed Aug 2025 2024 ↑ Active
5 forml
Provider of machine learning services
$546.4K Series A Series A Apr 2026 2023 ↑ Active
6 WaveForms
Developer of audio language models for real-time voice conversation
$40M Acquired Seed Dec 2024 2024 ↑ Active
7 Invisible
Provider of artificial intelligence systems and process automation for enterprises
$2.6M Acquired Series B Sep 2025 1,261 2015 ↑ Active
8 Mechanical Orchard
Generative AI platform offering to modernize legacy application
$74M $95M
as of 2024
Series B Series B Jun 2024 43 2022 ↑ Active
9 Sapient
Digital transformation consulting partner that leverages artificial intelligence to help established organizations navigate their digitally enabled future
$22M Seed Seed Dec 2024 2024 ↑ Active
10 Asimov
Provider of human activity data for training robotics in real environments
$500K Seed Seed Jan 2026 2026 ↑ Active
11 Burt
Provider of custom model building and deployment for various applications
$500K Seed Seed Jan 2026 2025 ↑ Active
12 Harmonic
Developer of data security platform designed for artificial intelligence adoption
$26M Series A Series A Sep 2024 2023 ↑ Active
13 Pluralis
Developer of protocol learning enabling collaborative model training across multiple participants
$7.6M Seed Seed Mar 2025 2024 ↑ Active
14 ZEALS
AI based conversational commerce platform
$62.8M Series E Series E May 2022 2014
15 Altera
Provider of AI research services
$9.1M Unfunded Apr 2024 2022
16 Tempus Ex
Provider of AI & data analytics focused event management services
$36.9M Series B Series B Sep 2021 100 2019
17 Heyday
Provider of machine learning and natural language processing services
$6.5M Seed Seed Jun 2022 5 2016
18 Lumona
Lumona is transforming search by building an internet of AI experts
$500K Seed Seed 2024 2023
19 Opslane
Developer of local-first software for parallel coding agent session management
$500K Seed Seed 2024 2024
20 Pathmind
Provider of project based AI consulting and IoT services
$14.6M Deadpooled Series A Nov 2018 11 2014
21 Skai
Provider of an omnichannel platform for commerce media that centralizes data and optimizes marketing performance across retail media, search, and social channels
$20M Series B Series B Apr 2014 637 2006
22 Sidekick
Provider of AI chatbot development services
$125K Seed Seed 2023 4 2022
23 BluelightAI
Data science and artificial intelligence company that provides tools for debugging and repairing problems with machine learning and AI models, enabling data scientists to refine and optimize their models for better performance
$285.8K Funding Raised Grant (prize money) Jul 2021 2020
24 Ersatz Labs
Provider of artificial intelligence services
$500K Deadpooled Angel 2014 5 2014
25 Zyphra Unicorn
Developer of multimodal artificial intelligence models, learning algorithms, and systems
Series A Series A Oct 2025 2020 ↑ Active
26 Synth Labs
Provider of AI research services
Seed Seed Mar 2024 2024
27 A37
Provider of agent governance platform for enterprise AI agent management
Unfunded 2024
28 AI for PEACE
Provider of diversified AI services
Unfunded 2019
29 AI Infrastructure Alliance
Provider of AI services
Unfunded 2019
30 AI4ALL
Provider of AI computer vision, research, development, and other services
Unfunded 138 2015
31 Andon Labs
Developer of AI benchmarks and autonomous organization safety and control protocols
Unfunded 2023
32 ANKI
Developer of robots, educational toys, video games, and related merchandise
Unfunded 2010
33 Argonaut AI
Provider of AI consulting and NLP services
Funding Raised 2021
34 Astellent
Provider of software & AI model development services
Unfunded 2018
35 Axflow
TypeScript framework for AI development, providing easy-to-use modeling tools and full type safety
Funding Raised 2023
36 Blocks
Provider of AI engineering and Web3 engineering services for enterprises
Unfunded 66 2018
37 Brighterion
AI-powered solutions for finance, merchants, and healthcare payers
Acquired 42 2000
38 Cloud Interactive
Provider of AI, big data, machine learning, software development and data science services
Funding Raised 2010
39 Data Monsters
Research, design and develop real-time big data software
Unfunded 31 2013
40 DeepX
Provider of AI and machine learning services
Unfunded 30 2018
41 Evolwe
Provider of AI development services
Unfunded 15 2020
42 Faro
Provider of AI based data audit and consulting services
Deadpooled 4 2018
43 Fellowship AI
Provider of AI focused fellowship program services
Unfunded 2015
44 Fusible
AI powered solutions for multiple businesses
Unfunded 2022
45 Gauss Moto
Provider of gateway solution and other IIoT solutions
Unfunded 2018
46 Get Arrow
Provider of AI-enabled marketing strategy, implementation, and team-building for firms
Funding Raised 33 2018
47 Guardin AI
Provider of AI solutions for content moderation and data labeling
Funding Raised 2024
48 Incepta
Artificial intelligence implementation firm that helps businesses identify and automate workflows, leveraging data analysis and communication expertise to streamline operations and enhance efficiency
Unfunded 2024
49 Insight Softmax
Provider of data science, high-performance computing, and open source solutions
Unfunded 2016
50 Integral
Provider of AI and intelligent robotics services
Funding Raised 9 2017

Top 12 AI Services companies in San Francisco

#1
Thinking Machines Lab Unicorn Seed
$2B Raised
expand_more
location_onSan Francisco, California
Founded
2024
Funding raised
$2B
Stage
Seed

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

Funding rounds (2 disclosed of 3)
Round Date Amount
Seed Mar 2026 Undisclosed
Seed Jun 2025 $2B
Grant (prize money) May 2025 $10M
Tech stack
apple icloud mailcloudflarecloudflare bot managementcloudflare browser insightsdatadogdocusign+14
#2
$180M Raised
expand_more
location_onSan Francisco, California
Founded
2025
Funding raised
$180M
Stage
Seed

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.

Funding rounds (1 disclosed of 1)
Round Date Amount
Seed Jan 2026 $180M
Tech stack
cloudflarecloudflare browser insightsgoogle workspacehttp/3
#3
Strala Series B
$55.3M Raised
expand_more
location_onSan Francisco, California
Founded
2024
Funding raised
$55.3M
Stage
Series B

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

Funding rounds (2 disclosed of 2)
Round Date Amount
Series B Mar 2026 $51.3M
Series A Mar 2025 $4M
Tech stack
apple icloud mailcloudflareframer sitesgoogle font apigoogle workspacehsts+4
#4
Perle Seed
$16M Raised
expand_more
location_onSan Francisco, California
Founded
2024
Funding raised
$16M
Stage
Seed

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 dete

Funding rounds (2 disclosed of 2)
Round Date Amount
Seed Aug 2025 $9M
Seed Oct 2024 $7M
Tech stack
amazon sesamazon web servicescloudflarecloudflare browser insightsgoogle cloudgoogle cloud trace+13
#5
forml Series A
$546.4K Raised
expand_more
location_onSan Francisco, California
Founded
2023
Funding raised
$546.4K
Stage
Series A

Provider of machine learning services

Funding rounds (2 disclosed of 2)
Round Date Amount
Series A Apr 2026 $3M
Seed May 2024 $546.4K
#6
WaveForms Acquired
$40M Raised
expand_more
location_onSan Francisco, California
Founded
2024
Funding raised
$40M
Stage
Acquired

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-emotion

Funding rounds (1 disclosed of 1)
Round Date Amount
Seed Dec 2024 $40M
#7
Invisible Acquired
$2.6M Raised
expand_more
location_onSan Francisco, California
Founded
2015
Employees
1,261
Funding raised
$2.6M
Stage
Acquired

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.

Funding rounds (4 disclosed of 4)
Round Date Amount
Series B Sep 2025 $100M
Series A Jul 2019 $5.3M
Seed Oct 2018 $2.6M
Grant (prize money) Jul 2016 $225K
#8
$74M Raised
expand_more
location_onSan Francisco, California
Founded
2022
Employees
43
Funding raised
$74M
Valuation
$95M · 2024
Stage
Series B

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.

Funding rounds (2 disclosed of 2)
Round Date Amount
Series B Jun 2024 $69.2M
Series A Feb 2024 $24M
Tech stack
cdnjscloudflarecloudflare bot managementcore-jsflickitygoogle analytics+14
#9
Sapient Seed
$22M Raised
expand_more
location_onSan Francisco, California
Founded
2024
Funding raised
$22M
Stage
Seed

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 ong

Funding rounds (1 disclosed of 1)
Round Date Amount
Seed Dec 2024 $22M
Founders & key people
Tech stack
brickscloudflaregoogle analyticsgoogle workspacemysqlnginx+6
#10
Asimov Seed
$500K Raised
expand_more
location_onSan Francisco, California
Founded
2026
Funding raised
$500K
Stage
Seed

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 a

Funding rounds (1 disclosed of 1)
Round Date Amount
Seed Jan 2026 $500K
Tech stack
google workspacehstsnext.jsnext.js app routernode.jsradix ui+6
#11
Burt Seed
$500K Raised
expand_more
location_onSan Francisco, California
Founded
2025
Funding raised
$500K
Stage
Seed

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

Funding rounds (1 disclosed of 1)
Round Date Amount
Seed Jan 2026 $500K
#12
Harmonic Series A
$26M Raised
expand_more
location_onSan Francisco, California
Founded
2023
Funding raised
$26M
Stage
Series A

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.

Funding rounds (2 disclosed of 2)
Round Date Amount
Series A Sep 2024 $17.5M
Seed Sep 2023 $8.5M
Tech stack
amazon s3amazon web servicesapple icloud mailcloudflarecloudflare bot managementcore-js+14

Recent signals in San Francisco AI Services

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Funding & investor landscape

Total raised
$2.6B
across these companies
Companies funded
24
with disclosed funding
Highest-funded
$2B raised

Most active investors

Y Combinator Y Combinator 7 investments in AI Services Andreessen Horowitz Andreessen Horowitz 3 investments in AI Services AMD AMD 2 investments in AI Services B&Y Venture Partners B&Y Venture Partners 2 investments in AI Services CoinFund CoinFund 2 investments in AI Services General Catalyst General Catalyst 2 investments in AI Services Google Ventures Google Ventures 2 investments in AI Services Plug and Play Tech Center Plug and Play Tech Center 2 investments in AI Services Salesforce Ventures Salesforce Ventures 2 investments in AI Services Sequoia Capital Sequoia Capital 2 investments in AI Services ServiceNow ServiceNow 2 investments in AI Services Soma Capital Soma Capital 2 investments in AI Services

Notable founders in San Francisco AI Services

Mira Murati Mira Murati Co-Founder & CEO Thinking Machines Lab · $2B raised
LW Lilian Weng Co-Founder Thinking Machines Lab · $2B raised
BS Ben Spector Co-Founder Flapping Airplanes · $180M raised
AS Asher Spector Co-Founder Flapping Airplanes · $180M raised
BS Benjamin Spector Co-Founder Flapping Airplanes · $180M raised
AS Aidan Smith Co-Founder Flapping Airplanes · $180M raised
AS Armando Schmid Co-Founder & CTO Strala · $55.3M raised
TG Timon Gregg Co-Founder & CEO Strala · $55.3M raised
AR Ahmed Rashad Founder & CEO Perle · $16M raised
MB Mansur Burkay CEO Perle · $16M raised
SH Shaine Hirsh Co-Founder forml · $546.4K raised
SH Satchel Hirsh Co-Founder & CEO forml · $546.4K raised

Frequently asked questions

How many AI Services companies are there in San Francisco, United States?
Radar tracks 77 indexable AI Services companies headquartered in San Francisco, United States that meet our profile-completeness bar.
What is the total funding raised by AI Services companies in San Francisco, United States?
The AI Services companies in San Francisco, United States on this list have raised a combined $2.6B in disclosed equity funding across 24 funded companies.
Which is the highest-funded AI Services company in San Francisco, United States?
Thinking Machines Lab is the highest-funded AI Services company in San Francisco, United States, with $2B in disclosed equity funding.
How many AI Services companies in San Francisco, United States are funded?
24 of the 77 AI Services companies in San Francisco, United States on this list have disclosed at least one equity funding round.
How many AI Services unicorns are there in San Francisco, United States?
2 AI Services companies in San Francisco, United States on this list are valued at $1B or more.
Who are the top investors in San Francisco, United States AI Services companies?
The most active investors in San Francisco, United States AI Services companies on this list include Y Combinator, Andreessen Horowitz, AMD, B&Y Venture Partners, CoinFund.

Rankings are computed by Radar (Fliar BI) from the Radar company master and are updated periodically. Funding and momentum scores use disclosed equity-funding data only. Figures may lag private rounds. Last updated 2026-06-23.

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