83 Sciences alternatives
TL;DR: 12 companies doing similar work to 83 Sciences in Industrials, ranked by how closely they match what 83 Sciences 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 83 Sciences. They are scored on how closely their own description overlaps with 83 Sciences's, and all facts shown come from the YC company records — nothing is estimated.
What are the best alternatives to 83 Sciences?
| Alternative | What it does | Batch | Team | Status |
|---|---|---|---|---|
| StableBrowse | Building the Data Infrastructure layer for Physical AI. | Spring 2026 | 3 | Active |
| Ethos Space Resources | We make silicon on the Moon, to power everything in space. | Summer 2026 | 2 | Active |
| Maingen | Simulating Agents Running Industrial Companies | Summer 2026 | 2 | Active |
| Discovered Materials | AI scientists to discover materials for the semiconductor industry. | Spring 2026 | 2 | Active |
| 6thSense | Nervous System for Physical AI | Summer 2026 | 4 | Active |
| Praxis Robotics | Turns real businesses into robotics data vendors | Summer 2026 | 3 | Active |
| SuperRadiant | Embodied Scientific Intelligence | Fall 2026 | 3 | Active |
| Apollo Atomics, Inc. | We make the most compact nuclear reactors | Spring 2026 | — | Active |
| Ultrasonium | Metal manufacturing, faster, cheaper, and more versatile. | Summer 2026 | 5 | Active |
| Kara | Making Diamond Semiconductors | Summer 2026 | 2 | Active |
| Moving Atoms | Virtual Reality for Training Robots | Summer 2026 | 2 | Active |
| Marengo | AI-Native Engineering Firm designing Data Centers | Summer 2026 | 2 | Active |
Is 83 Sciences still active?
83 Sciences 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 83 Sciences. They are then ranked on how closely their own description overlaps with 83 Sciences's, so the closest matches come first rather than whoever happens to share a tag.