TL;DR: If you are replacing Stoke Space, the closest options are Passenger AI, Farcast, Boost Biomes. The table below compares 12 alternatives on what they do, stage, size and status.
Every alternative below is compared on what it actually does, not just its category — so you can see which one genuinely replaces Stoke Space (YC Winter 2021).
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The three closest alternatives to Stoke Space are:
| Alternative | What it does | Stage | Team | Status |
|---|---|---|---|---|
| Passenger AI | Software for robotaxi operations. | YC Summer 2018 | 5 | Inactive |
| Farcast | We build advanced satcom user terminals | YC Winter 2020 | 12 | Active |
| Boost Biomes | — | YC Summer 2019 | 12 | Inactive |
| ThereCraft | — | YC Summer 2017 | 1 | Active |
| Ares Industries | Building low-cost cruise missiles | YC Summer 2024 | 2 | Active |
| EPIC AEROSPACE | Last-mile delivery for satellites. | YC Summer 2019 | 14 | Active |
| General Astronautics | Robotics for Space R&D | YC Winter 2026 | 2 | Active |
| Shone | Shone makes existing cargo ships autonomous through retrofit. | YC Winter 2018 | 8 | Inactive |
| General Aviation | Fix ATC by connecting aircraft to the internet | YC Spring 2026 | — | Active |
| Enhanced Radar | AI for air traffic control | YC Winter 2025 | 2 | Active |
| Tesseract | Tesseract builds better thrusters for modern satellites | YC Summer 2017 | 6 | Active |
| Reditus Space | Reusable Satellites | YC Winter 2025 | 12 | Active |
It depends on your size. Passenger AI is the closest match on what Stoke Space actually does. If you need something more established, sort the table by team size — larger teams generally mean more support and a longer track record. If budget is the constraint, the earlier-batch companies are usually the ones still competing on price.
Stoke Space is still operating, so switching is a choice rather than a forced migration. Compare on fit and price rather than urgency.
Every company here is Y Combinator-backed and was matched to Stoke Space on what it actually does — its own description of its product — rather than on a broad category label. Batch, team size and operating status come from the YC directory and are shown as-is. We do not rank by payment.
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