Essential AI
Building Instruments of Intelligence
San Francisco, United States · $64.8M raised
- Headquarters
- San Francisco, California
- Employees
- 11–50
- Business Model
- B2B
- Website
- essential.ai
- Total Funding
- $64.8M
- Last Round
- $56.5M Series ADec 2023
- Rounds
- 2
Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.
About
Essential AI builds an open platform to accelerate the science and engineering of deep learning, aiming to empower researchers and builders with pretraining focused on frontier STEM and code capabilities and methodologies grounded in scientific rigor and engineering discipline. In December 2025, the company released its first open-source model, Rnj-1, a base and instruction-tuned pair of large language models built in the spirit of open AI research.
Summary
Essential AI is an Artificial Intelligence company based in San Francisco, United States. It has raised $64.8M in total across 2 rounds, most recently a $56.5M Series A round in Dec 2023. Investors include Thrive Capital, March Capital and Alphabet.
Tech & App Stack
4 technologies & apps tracked
Every product and vendor across these categories, with where each signal came from.
Create a free account with 25 free credits every month, no card needed, to unlock the full tech & app stack, funding history, and valuations.
Funding History
Dec 2023
Sign up to see all 2 events
Funding: Seed through Series A. Amounts, valuations, and investors where available.
Investors
Similar Companies
OpenAI is an AI research and deployment company dedicated to ensuring that general-purpose artifi...
Anthropic develops reliable, interpretable, and steerable AI systems, translating frontier safety...
xAI builds AI systems, including Grok, with frontier reasoning, voice, and generative media capab...
Waymo is an autonomous driving technology company with a mission to make it safe and easy for peo...

Databricks provides a unified data and AI platform that helps enterprises build and run applicati...
AI company focused on applying artificial intelligence to physical tasks, launched with $6.2B ini...
Appears in
Your company? Embed this profile
Add the live badge to your site — it stays current as your funding data updates.
<a href="https://indexed.vc/companies/essential-ai"><img src="https://indexed.vc/api/badge/company/essential-ai" alt="Essential AI on Indexed.vc" width="260" height="76" /></a>

