What they do:
High volume hiring made simple
Quick facts:
HQ: Seoul, South Korea
Top AI Infrastructure Startups
This list has 81 startups and was last updated on Oct 15, 2026. 17 of them are hiring right now. Biggest hubs: San Francisco (51), London (5), and Seoul (2). Largest teams: Fountain, Prolific, and Superb AI. Latest round: Salience Labs raised $125M (Oct 14, 2026).
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Prolific
Hiring
What they do:
Making diverse, high-quality data easily available to anyone, anywhere
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HQ: London, United Kingdom
What they do:
The funding, which comes from Third Point, Nvidia, and others, will fuel the company's massive AI data center buildout.
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Funding:
$3.36B · Debt · Sep 2026
What they do:
Taiwan-based neocloud GMI Cloud Inc. wants to capitalize on what it says is an “unprecedented” demand for artificial intelligence computing power after raising a massive $663 million in funding from two sources. The…
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Funding:
$263M · Series B · Sep 2026
What they do:
General Intuition Inc. today announced that it has raised $220 million in funding at a $6.2 billion valuation. The capital was provided by Valor Equity Partners, Atreides, Seven Seven Six, Point72, Khosla Ventures…
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Funding:
$220M · Sep 2026
What they do:
A startup called Salience Labs Inc. wants to play a bigger role in speeding up artificial intelligence workloads after raising $125 million in a Series B funding. Today’s round was led by Bullhound Capital and saw…
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Funding:
$125M · Series B · Oct 2026
What they do:
Superb AI provides end-to-end computer vision MLOps platform
Quick facts:
HQ: Seoul, South Korea
Rootly
Hiring
What they do:
AI-native on-call and incident response carefully crafted to help…
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HQ: San Francisco, CA, United States
What they do:
Low-energy chip startup Efficient Computer Co. said today it has closed on a $97 million round of funding in the second major investment it has picked up this year. The round was led by TQ Ventures and saw…
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Funding:
$97M · Sep 2026
What they do:
Volantis Inc. today announced that it has raised a $88 million funding round led by prominent angel investor Lachy Groom and Abstract Ventures. The Series A deal also drew more than a half-dozen other participants.…
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Funding:
$88M · Series A · Oct 2026
What they do:
Clockwork Systems Inc., the data center infrastructure startup that helps to maximize the efficiency of artificial intelligence chip clusters, has raised $31 million in fresh funding and announced the launch of a new…
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Funding:
$31M · Oct 2026
What they do:
UK AI startup Zenithon has raised $10 million to build what it describes as the first world models for extreme physics and accelerate the development of technologies that will define the 21st century....
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Funding:
$10M · Sep 2026
What they do:
Satlyt Inc., a startup that develops artificial intelligence software for satellites, has raised $8 million in funding. TechCrunch reported today that the seed round was led by early-stage fund Non Sibi Ventures.…
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Funding:
$8M · Seed · Oct 2026
What they do:
Klarent (formerly fore ai), a Zurich-based autonomous software testing startup, has closed a €7.13 million Seed funding round. The round was led by London-based Mosaic Ventures, with participation from Moonfire…
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HQ: Zurich, Switzerland
Funding:
€7.13M · Seed · Oct 2026
Domu Technology Inc.
Hiring
What they do:
AI Agents for collections
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HQ: San Francisco, CA, United States
Middleware
Hiring
What they do:
AI-based full stack observability platform
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HQ: San Francisco, CA, United States
What they do:
Open-source, serverless vectordb for production-scale generative AI
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HQ: San Francisco, CA, United States
Respan
Hiring
What they do:
Self-driving observability, evals, and gateway for AI agents
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HQ: San Francisco, CA, United States
LiteLLM
Hiring
What they do:
Call every LLM API like it's OpenAI [100+ LLMs]
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HQ: San Francisco, CA, United States
What they do:
Frontier coding data for training and evaluating LLMs
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HQ: San Francisco, CA, United States
What they do:
The fastest way to ship airtight AI
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HQ: San Francisco, CA, United States
Wordware
Hiring
What they do:
AI agents you can rely on
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HQ: San Francisco, CA, United States
Waydev
Hiring
What they do:
Engineering intelligence for AI transformation
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HQ: Bucharest, Romania
Zensors
Hiring
What they do:
AI to understand and automates the physical world
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HQ: San Francisco, CA, United States
Shadeform
Hiring
What they do:
The GPU Cloud Marketplace
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Elevate
Hiring
What they do:
Automated AI data integrations for roll-ups
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HQ: New York, NY, United States
Besimple AI
Hiring
What they do:
Voice data for AI
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HQ: San Francisco, CA, United States
What they do:
Rapid medical data annotation
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HQ: Claymont, DE, United States
What they do:
AI+human powered automation on job-community platform with 1.5M…
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HQ: Singapore
Abundant
Hiring
What they do:
Agent simulation and RL for researchers
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HQ: San Francisco, CA, United States
Luminal
Hiring
What they do:
Making AI run fast on any hardware.
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HQ: San Francisco, CA, United States
What they do:
Inference for real-time voice and chat
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HQ: San Francisco, CA, United States
Orca Aerospace
Hiring
What they do:
AI spacecraft operators that lives onboard the vehicle
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HQ: San Francisco, CA, United States
What they do:
AI based Customizable Subscription & Revenue Management Platform
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HQ: London, United Kingdom
What they do:
AI engineer that debugs and fixes production incidents in realtime
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HQ: San Francisco, CA, United States
Covera
Hiring
What they do:
AI-native OS for insurance brokers
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HQ: San Francisco, CA, United States
Questions and answers
How many startups are on this list?
There are 81 startups on this list, last updated on Oct 15, 2026.
Which of them are hiring?
17 of them are hiring right now, including Prolific, Rootly, and Domu Technology Inc.
Which of them have the largest teams?
By team size: Fountain (200 employees), Prolific (180 employees), and Superb AI (80 employees).
Which of them raised money recently?
Latest rounds: Salience Labs — $125M Series B (Oct 2026), Klarent — €7.13M Seed (Oct 2026), and Clockwork.io — $31M (Oct 2026).
Where are they based?
The biggest hubs are San Francisco (51), London (5), and Seoul (2).