All Rankings

Top Series A AI Companies 2026

Artificial intelligence and machine learning companies whose latest recorded round was Series A, ranked by disclosed lifetime funding.

Known total funding for 100 of 100 ranked companies: $25.7B.

Showing top 100 matching companies · Ranked by total funding raised

Use company data through the API.
Example request
curl "https://indexed.vc/api/v1/companies?industries=Artificial+Intelligence,Generative+AI,Machine+Learning&operatingStatus=active&sort=total_funding_raised&order=desc&limit=100" -H "X-API-Key: YOUR_API_KEY"

The API has no funding stage filter, so this includes every stage, not only Series A.

The API has no company type filter, so public companies can appear; this list counts private companies only.

The API cannot leave out companies whose latest round is a grant; this list does.

Data from Indexed.vcUpdated

Methodology: up to 100 active companies matching this list's filters are ordered by disclosed total funding in USD. Companies whose latest round is one of: Grant are excluded. Totals include recorded grants and other qualifying funding, not just equity. Open a company profile for its funding summary and available detail. How this data is built.

1
Groq

Groq delivers fast, low cost AI inference using custom LPU (Language Processing Unit) chips and G...

Mountain View, United States201–500Artificial Intelligence, Hardware
Series ATotal funding$4.2BAug 2026
2
Ami

Frontier AI research lab building world-model-based AI that understands real-world sensory data, ...

Paris, France1–10Artificial Intelligence
Series ATotal funding$1.6BMar 2026
3
Lila Sciences

Lila Sciences combines artificial intelligence with autonomous laboratories to accelerate scienti...

Cambridge, United States51–200Artificial Intelligence, Biotech
Series ATotal funding$1.3BJun 2026
4
World Labs

World Labs is a spatial intelligence AI company building Large World Models (LWMs) to perceive, g...

San Francisco, United States11–50Artificial Intelligence, Infrastructure
Series ATotal funding$1.2BFeb 2026
5
Baichuan Intelligence

Baichuan Intelligence is a Beijing-based AI company developing large language models with a focus...

Beijing, China51–200Artificial Intelligence, Digital Health
Series ATotal funding$1.0BJul 2024
6
Flapping Airplanes

Research-first AI lab pursuing data-efficient, brain-inspired model training approaches.

San Francisco, United States1–10Artificial Intelligence, Machine Learning
Series ATotal funding$1.0BOct 2026
7
Xaira Therapeutics

Xaira Therapeutics is an integrated biotechnology company driving advances in artificial intellig...

South San Francisco, United States51–200Artificial Intelligence, Biotech
Series ATotal funding$1.0BApr 2024
8
TypeSafe AI

TypeSafe AI develops Jev, an AI model that returns typed decisions with calibrated probabilities ...

United StatesArtificial Intelligence, Developer Tools
Series ATotal funding$870.0MOct 2026
9
Fluidstack

Fluidstack builds and operates data centers, combining hardware and software to deliver gigawatts...

San Francisco, United States51–200Artificial Intelligence, Cloud
Series ATotal funding$833.0MJan 2026
10
Hark

Seamlessly contextualize your customer's issue into a perfectly packaged service ticket deliverin...

San Francisco, United States1–10Retail, Artificial Intelligence
Series ATotal funding$703.5MMay 2026
11
Kandou AI

Kandou AI builds high-speed, energy-efficient chip-to-chip connectivity solutions that improve ho...

Lausanne, Switzerland51–200Artificial Intelligence, Infrastructure
Series ATotal funding$550.6MMar 2026
12
Ricursive Intelligence

Frontier AI lab developing self-improving systems that reinvent chip development and connect arti...

Palo Alto, United States1–10Artificial Intelligence, Semiconductors
Series ATotal funding$335.0MMar 2026
13
Emerald AI

Software that aligns AI data center workloads with real-time power grid conditions to manage ener...

Washington, United States1–10Artificial Intelligence, Climate Tech
Series ATotal funding$282.5MAug 2026
14
Quantum Art

Quantum Art develops scalable multi-core trapped-ion quantum computers to accelerate breakthrough...

Ness Ziona, Israel11–50Artificial Intelligence
Series ATotal funding$280.0MApr 2026
15
Sygaldry

YC-backed startup building quantum-accelerated AI servers combining multiple qubit types to speed...

San Francisco, United States1–10Artificial Intelligence, Hardware
Series ATotal funding$278.0MApr 2026
16
Axiom Math

Axiom builds a self-improving AI mathematician for formal mathematical reasoning and rigorous ver...

Palo Alto, United States11–50Artificial Intelligence
Series ATotal funding$264.0MMar 2026
17
Fundamental

AI lab building NEXUS, a Large Tabular Model purpose-built for structured enterprise data, enabli...

San Francisco, United States11–50Artificial Intelligence, Data & Analytics
Series ATotal funding$255.0MFeb 2026
18
Space42

Space42 integrates satellite communications, geospatial analytics, and artificial intelligence to...

Abu Dhabi, United Arab Emirates501–1000Artificial Intelligence, Space Tech
Series ATotal funding$245.0MJul 2025
19
doubleAI

doubleAI is developing AI systems intended to surpass expert-level capabilities in science and te...

New York, United States11–50Artificial Intelligence, Generative AI
Series ATotal funding$241.0MSep 2025
20
Omni Analytics

Omni Analytics is a business intelligence platform helping organizations analyze data with modern...

San Francisco, United States51–200Developer Tools, SaaS
Series ATotal funding$230.5MJul 2026
21
Havoc AI

Havoc AI builds collaborative autonomy software for military and commercial autonomous systems, e...

Providence, United States51–200Artificial Intelligence, Defense Tech
Series ATotal funding$208.2MMay 2026
22
Eridu

AI infrastructure for faster and more efficient data centers

Saratoga, United States51–200Artificial Intelligence, Developer Tools
Series ATotal funding$200.0MMar 2026
23
Character.AI

Character.AI empowers people to connect, learn, and tell stories through interactive entertainmen...

Menlo Park, United States201–500Artificial Intelligence, Entertainment
Series ATotal funding$193.0MMar 2023
24
Vega Security

AI-native SecOps platform providing federated security analytics, threat detection, and triage fo...

New York, United States51–200Artificial Intelligence, Cybersecurity
Series ATotal funding$185.0MMar 2026
25
HydraHost

Global marketplace and API for bare-metal GPU servers and clusters, serving AI and HPC platforms ...

Miami, United States11–50Cloud, Infrastructure
Series ATotal funding$180.0MJun 2026