SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.03
Aetherflux logo Aetherflux Develops space-based solar power satellites that collect sunlight in low Earth orbit and transmit energy to portable ground receivers via infrared lasers vs Vast Designs and manufactures commercial space stations in low Earth orbit for crewed missions, microgravity research, and in-space manufacturing. Vast logo
HEAD-TO-HEAD1 shared sector
Aetherflux Vast
Founded 2024 2021
Headquarters San Carlos, California, USA Long Beach, California, USA
Type private private
Status operating operating
Employees 40 1,000
Total funding $60M $1.5B+
Latest round Series A Series A
Sectors Satellite Manufacturing, In-Space Manufacturing Space Stations & Habitats, In-Space Manufacturing
Products listed 3 3
Federal contracts
Launches
Leaders listed Baiju Bhatt, Joe Yaffe Jed McCaleb, Max Haot, Alex Hudson
News mentions 0 3
SHARED SECTORS
FREQUENTLY ASKED

How do Aetherflux and Vast compare?

Both companies work in In-Space Manufacturing. Aetherflux was founded in 2024 and Vast in 2021.

Which is larger, Aetherflux or Vast?

Vast reports the larger workforce, with 1,000 employees versus 40.

Numbers refresh on every render against the live Space Index database. Federal contract data from USAspending.gov; launches from LaunchLibrary2.