Terranox AI alternatives
TL;DR: 12 companies doing similar work to Terranox AI in Industrials, ranked by how closely they match what Terranox AI actually does — not just by category.
How this list was built: every company here is Y Combinator-backed and shares at least one category with Terranox AI. They are scored on how closely their own description overlaps with Terranox AI's, and all facts shown come from the YC company records — nothing is estimated.
What are the best alternatives to Terranox AI?
| Alternative | What it does | Batch | Team | Status |
|---|---|---|---|---|
| Apollo Atomics, Inc. | We make the most compact nuclear reactors | Spring 2026 | — | Active |
| Atmeto | Building a frontier world model for power | Winter 2023 | 2 | Active |
| Ferveret | Nuclear-inspired cooling that turns wasted power into more AI compute | Summer 2021 | 16 | Active |
| Voxel Energy | Energy independent data centers with solar and repurposed batteries. | Winter 2026 | 3 | Active |
| Squid | AI agents for power grid planning 🦑 | Winter 2026 | 3 | Active |
| Rewbi | A stealth mode startup. | Summer 2024 | 3 | Active |
| Oolu | Oolu is one of the fastest growing off-grid solar firms in West Africa | Summer 2015 | 230 | Acquired |
| Viraj Aero | Next generation engines for aircraft and data centers | Fall 2026 | — | Active |
| Oklo | Emission free, always on power from advanced fission power plants. | Summer 2014 | 50 | Public |
| Helion Energy | Building the world's first fusion power plant | Summer 2014 | 150 | Active |
| Gridware | Protecting the grid today, preparing the grid for tomorrow | Winter 2021 | 125 | Active |
| Validere | A carbon MRV solution for energy and hard-to-abate sectors | Summer 2016 | 110 | Active |
Is Terranox AI still active?
Terranox AI is still operating, so switching is a choice rather than a forced migration. Compare on fit and price rather than urgency.
How was this list put together?
Every company here is Y Combinator-backed and shares at least one category with Terranox AI. They are then ranked on how closely their own description overlaps with Terranox AI's, so the closest matches come first rather than whoever happens to share a tag.