Series B AI startups

AI startups that raised at Series B stage. 52 companies with amounts, lead investors, sub-verticals and locations — Series B companies are typically scaling fast and actively choosing tools and vendors.

Smack Technologies

Defense & Govtech AI · United States

$61M

Series B

Aug 18, 2026

Wispr Flow

Generative AI · San Francisco, United States

$280 million

Series B

Aug 17, 2026

Wispr

Generative AI · San Francisco, United States

$280M

Series B

Aug 17, 2026

Blacksmith

AI Dev Tools · San Francisco, United States

$45M

Series B

Aug 12, 2026

AB

Aureka Biotechnologies

Healthcare AI · San Francisco, United States

$100M

Series B

Aug 10, 2026

Acrab

AI Infrastructure · Singapore, Singapore

$130M

Series B

Aug 6, 2026

Omilia

AI startup

$67M

Series B

Aug 6, 2026

WindBorne Systems

AI startup

$37M

Series B

Aug 5, 2026

Wordsmith AI

AI startup

$14M

Series B

Aug 5, 2026

Simplismart

Generative AI · Bengaluru, India

$9M

Series B

Aug 4, 2026

OLIX

AI Infrastructure · London, United Kingdom

$312M

Series B

Aug 3, 2026

Onyx Security

AI Agents · San Francisco, United States

$113M

Series B

Jul 30, 2026

FR

Freehand

Vertical SaaS AI · San Francisco, United States

$75M

Series B

Jul 29, 2026

IA

InstaLILY AI

AI startup

$60M

Series B

Jul 14, 2026

Ollama

AI Dev Tools · San Francisco, United States

$65M

Series B

Jul 9, 2026

Kaon AI

Generative AI · United States

$60M

Series B

Jul 8, 2026

Twelve Labs

Computer Vision · San Francisco, United States

$100M

Series B

Jul 1, 2026

Aligned

AI startup

$60M

Series B

Jul 1, 2026

TwelveLabs

Computer Vision · San Francisco, United States

$100M

Series B

Jul 1, 2026

Warp

Vertical SaaS AI · San Francisco, United States

$60M

Series B

Jun 25, 2026

Patronus AI

AI Dev Tools · New York, United States

$50M

Series B

Jun 25, 2026

Genspark.ai

AI Agents · Mountain View, United States

$100M

Series B

Jun 17, 2026

Odyssey

Computer Vision · San Francisco, United States

$310M

Series B

Jun 17, 2026

Undo

AI Dev Tools · London, United Kingdom

€31M

Series B

Jun 15, 2026

Sarvam

AI startup

$234M

Series B

Jun 15, 2026

Sarvam AI

AI startup

$234M

Series B

Jun 15, 2026

PH

PhoenixAI

AI startup

$80M

Series B

Jun 11, 2026

Equal AI

AI startup

$30M

Series B

Jun 11, 2026

PR

Prometheus

Vertical SaaS AI

$12B

Series B

Jun 11, 2026

TensorWave

AI startup

$350M

Series B

Jun 10, 2026

Coram AI

Vertical SaaS AI · San Francisco, United States

$35M

Series B

Jun 10, 2026

Innefu Labs

AI startup

$30M

Series B

Jun 5, 2026

Zyphra

AI startup

$500M

Series B

May 19, 2026

Isomorphic Labs

Healthcare AI · London, United Kingdom

$2.1B

Series B

May 12, 2026

Monaco

AI Agents · San Francisco, United States

$50M

Series B

May 12, 2026

JuliaHub

Vertical SaaS AI · Cambridge, United States

$65M

Series B

Apr 30, 2026

Parallel Web Systems

AI Infrastructure · San Francisco, United States

$100M

Series B

Apr 28, 2026

Avoca AI

Vertical SaaS AI · Austin, United States

$125M

Series B

Apr 27, 2026

SE

Sereact

AI startup

$110M

Series B

Apr 27, 2026

Synera

AI startup

$40M

Series B

Apr 14, 2026

Bluefish

Vertical SaaS AI · New York, United States

$43M

Series B

Apr 14, 2026

Beacon Biosignals

Boston, United States

$11M

Series B

Apr 6, 2026

XO

Xoople

Madrid, Spain

$130 million

Series B

Apr 6, 2026

Sett

AI Agents · San Francisco, United States

$30M

Series B

Mar 30, 2026

Allure Security

Vertical SaaS AI · Boston, United States

$17M

Series B

Mar 19, 2026

Wonderful

AI Agents · Tel Aviv, Israel

$150M

Series B

Mar 13, 2026

BreezeBio

AI startup

$60M

Series B

Feb 25, 2026

Guidde

Vertical SaaS AI · Tel Aviv, Israel

$50M

Series B

Feb 25, 2026

Slang AI

Vertical SaaS AI · New York, United States

$36M

Series B

Feb 24, 2026

Letter AI

Vertical SaaS AI · New York, United States

$40M

Series B

Feb 24, 2026

Axelera AI

AI Infrastructure · Eindhoven, Netherlands

$250M

Series B

Feb 24, 2026

OPAQUE

AI Infrastructure · San Francisco, United States

$24M

Series B

Feb 12, 2026

Showing 52 companies (published with a short delay). The latest raises and founder contacts are available to members.