All Rankings

Top Seed-Stage AI Companies 2026

Artificial intelligence and machine learning companies whose latest recorded round was seed or pre-seed, ranked by disclosed lifetime funding.

Known total funding for 100 of 100 ranked companies: $12.4B.

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 Seed or Pre-Seed.

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
Thinking Machine Labs

Thinking Machines Lab develops AI research and products that help people customize AI for their u...

San Francisco, United States11–50Artificial Intelligence, Data & Analytics
SeedTotal funding$2.0BJul 2025
2
Recursive Superintelligence

Recursive builds self-improving AI systems to automate knowledge discovery using open-ended algor...

San Francisco, United States1–10Artificial Intelligence
SeedTotal funding$1.1BMay 2026
3
Ineffable

Ineffable creates superlearners that discover knowledge and skills from experience using powerful...

London, United Kingdom1–10Artificial Intelligence
SeedTotal funding$1.1BApr 2026
4
Tempo Labs

Tempo Labs helps designers and product managers build interfaces visually using existing code com...

Toronto, Canada1–10Artificial Intelligence, Design Tools
SeedTotal funding$505.0MOct 2025
5
humans&

Human-centric frontier AI research lab building AI models that prioritize coordination, communica...

San Francisco, United States11–50Artificial Intelligence, Machine Learning
SeedTotal funding$480.0MJan 2026
6
Unconventional AI

Unconventional AI develops physical computing systems that use dynamical hardware and co-designed...

San Francisco, United States11–50Artificial Intelligence, Semiconductors
SeedTotal funding$475.0MDec 2025
7
Algoma

Algoma provides developers an AI-native intelligence platform that turns real estate feasibility ...

New York, United States1–10Artificial Intelligence, SaaS
SeedTotal funding$422.3MMay 2025
8
Periodic Labs

Periodic Labs develops artificial intelligence systems that simulate and predict the properties o...

San Francisco, United States51–200Infrastructure, Artificial Intelligence
SeedTotal funding$300.0MSep 2025
9
Walden Robotics

A full-stack physical AI company building and deploying general-purpose robots.

Cambridge, United States51–200Artificial Intelligence
SeedTotal funding$300.0MJul 2026
10
H Company

H Company builds and deploys agentic AI systems — virtual humanoid agents — that automate enterpr...

Paris, France51–200Artificial Intelligence, SaaS
SeedTotal funding$220.0MMay 2024
11
Genesis AI

Physical AI lab and full-stack robotics company building generalist robots and a universal roboti...

Paris, France11–50Artificial Intelligence, Robotics
SeedTotal funding$210.0MMay 2026
12
Paradigm

Paradigm is an AI research platform that runs agentic workflows in parallel to help investment an...

San Francisco, United States1–10Artificial Intelligence, SaaS
SeedTotal funding$210.0MAug 2025
13
Mirendil

AI research lab building self-accelerating systems that turn compute into scientific and engineer...

San Francisco, United States11–50Artificial Intelligence
SeedTotal funding$200.0MJun 2026
14
Inferact

Inferact is founded by the creators and core maintainers of vLLM and grows that open-source engin...

San Francisco, United States1–10Artificial Intelligence, Cloud
SeedTotal funding$150.0MJan 2026
15
EvolutionaryScale

EvolutionaryScale develops frontier AI protein language models, including ESM3 and ESM Cambrian, ...

New York, United States11–50Artificial Intelligence, Biotech
SeedTotal funding$142.0MJun 2024
16
Volantis Semi

Volantis builds photonic wires, optical interconnect inside the accelerator, so AI systems can pl...

United States11–50Artificial Intelligence, Developer Tools
SeedTotal funding$129.0MJun 2025
17
Vbot

Chinese humanoid robot AI startup

Beijing, ChinaArtificial Intelligence, Robotics
Pre-seedTotal funding$128.2MMay 2026
18
Trase

Trase empowers organizations to deploy secure, governed AI within their own data and infrastructu...

McLean, United States11–50Artificial Intelligence, Defense Tech
SeedTotal funding$117.5MJun 2026
19
Callosum

AI workload orchestration platform

London, United Kingdom1–10Artificial Intelligence
SeedTotal funding$110.3MAug 2026
20
LMArena

Crowdsourced AI evaluation platform from UC Berkeley researchers where millions of users test and...

San Francisco, United States11–50Artificial Intelligence, Developer Tools
SeedTotal funding$100.0MMay 2025
21
Masterschool

Applied education research lab running AI-native tech career schools that train and place student...

Tel Aviv, Israel51–200Artificial Intelligence, EdTech
SeedTotal funding$100.0MMay 2022
22
RadixArk

RadixArk builds open inference and training infrastructure on SGLang and Miles for developers, st...

San Francisco, United States11–50Artificial Intelligence, Infrastructure
SeedTotal funding$100.0MMay 2026
23
Upwell

Order to Cash Automation for Logistics

San Francisco, United States11–50Supply Chain, Artificial Intelligence
SeedTotal funding$100.0MJul 2020
24
Dream Labs

Dream Labs develops Dream-1, which provides robot actions to execute tasks specified through came...

Artificial Intelligence
SeedTotal funding$90.0MOct 2026
25
Veeda AI

Veeda AI builds multimodal foundation world models that simulate physical reality, creating infin...

Toronto, Canada11–50Artificial Intelligence
SeedTotal funding$90.0MAug 2026