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- Defense
- Robotics
- Autonomy(coming soon)
- Mobility(coming soon)
- Space Tech(coming soon)
- Brain-Computer Interfaces
- Spatial Computing
- Voice & Conversational Interfaces
- Avatars & Digital Humans(coming soon)
- Smart Homes(coming soon)
- Wearables(coming soon)
- Health Tech
- Biotech / Synthetic Biology(coming soon)
- Healthcare Systems(coming soon)
- Longevity & Human Enhancement(coming soon)
- Data Infrastructure
- Payments & Financial Infrastructure
- Blockchain / Crypto(coming soon)
- Cloud & Edge Computing(coming soon)
- Cybersecurity(coming soon)
- Digital Identity(coming soon)
- Creative AI & Media
- Energy
- Manufacturing
- Agriculture Tech(coming soon)
- Climate Tech(coming soon)
- Commerce(coming soon)
- Education Tech(coming soon)
- Fashion & Textiles(coming soon)
- Food Tech(coming soon)
- Materials Science(coming soon)

Helion Energy vs Commonwealth Fusion Systems — side-by-side comparison · fobi

- Defense
- Robotics
- Autonomy(coming soon)
- Mobility(coming soon)
- Space Tech(coming soon)
- Brain-Computer Interfaces
- Spatial Computing
- Voice & Conversational Interfaces
- Avatars & Digital Humans(coming soon)
- Smart Homes(coming soon)
- Wearables(coming soon)
- Health Tech
- Biotech / Synthetic Biology(coming soon)
- Healthcare Systems(coming soon)
- Longevity & Human Enhancement(coming soon)
- Data Infrastructure
- Payments & Financial Infrastructure
- Blockchain / Crypto(coming soon)
- Cloud & Edge Computing(coming soon)
- Cybersecurity(coming soon)
- Digital Identity(coming soon)
- Creative AI & Media
- Energy
- Manufacturing
- Agriculture Tech(coming soon)
- Climate Tech(coming soon)
- Commerce(coming soon)
- Education Tech(coming soon)
- Fashion & Textiles(coming soon)
- Food Tech(coming soon)
- Materials Science(coming soon)

Compare

Helion Energy vs Commonwealth Fusion Systems

Side-by-side on funding, valuation, status, and the rest of the FOBI roster.

Energy

Helion Energy

Helion builds pulsed non-ignition fusion systems using field-reversed configuration and direct electricity conversion.

Energy

Commonwealth Fusion Systems

Commonwealth Fusion develops compact tokamak fusion reactors using high-temperature superconducting magnets.

For subscribers

Including Funding rounds + valuations, Founders + executives, Products + tech stack, Headcount + HQ, Status timeline, and Roster connections.

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Field	Helion Energy	Commonwealth Fusion Systems
Status	Private	Private
Sector	Energy	Energy
Subsector	Fusion Energy	Fusion Energy
Founded	2013	2018
HQ	Everett, USA	Devens, USA
Headcount	51-200	1k-5k
Total raised	$965M	$3B
Valuation