Majestic Labs
Buy majesticlabs.ai | Spaceship
Los Altos, United States · Founded 2024 · $100.0M raised
- Headquarters
- Los Altos, California
- Employees
- 11–50
- Founded
- 2024
- Business Model
- B2B
- Website
- majesticlabs.ai
- Total Funding
- $100.0M
- Last Round
- $90.0M Series ASep 2025
- Rounds
- 2
About
Majestic Labs is an AI infrastructure company building Prometheus, a memory-first server that consolidates up to 10 racks of compute into a single unit with up to 128TB of shared high-bandwidth memory. Founded by former Google and Meta executives, the company aims to eliminate the AI memory wall, enabling multi-trillion parameter models and massive context windows at a fraction of current power and cost.
Summary
Majestic Labs is an Artificial Intelligence company based in Los Altos, United States, founded in 2024. It has raised $100.0M in total across 2 rounds, most recently a $90.0M Series A round in Sep 2025. Investors include Lux Capital, Bow Wave Capital Management and Upfront Ventures.
Tech & App Stack
1 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
Sign up to view the funding chart
Create a free account with 25 free credits every month, no card needed, to unlock funding history, valuations, and tech stacks.
Sep 2025
Sign up to see all 2 rounds
Seed through Series A — per-round amounts, valuations, and who invested in each round.
Investors
Similar Companies
OpenAI is an AI research and deployment company dedicated to ensuring that general-purpose artifi...
Databricks is the pioneer of the data lakehouse, a unified platform for data science, machine lea...
Micron Technology is the only US-based manufacturer of advanced DRAM, NAND, and storage memory so...
Shield AI's mission is to protect service members and innocent civilians with artificially intell...
Cursor is the best way to code with AI, and built to make you extraordinarily productive.
Groq delivers fast, low cost AI inference using custom LPU (Language Processing Unit) chips and G...
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/majestic-labs"><img src="https://indexed.vc/api/badge/company/majestic-labs" alt="Majestic Labs on Indexed.vc" width="260" height="76" /></a>