| reactor | type | power thermal/elec MWt/MWe | fuel | country | notes |
| PRISM | demonstration, pool | 840/311 | metal | USA | from 2020s |
| ACR-100 | prototype, pool | 260/100 | metal | USA | working with GHE |
| Astrid | demonstration, pool | 1500/600 | oxide | France with Japan | from 2024 |
| BN-1200 | commercia, pool | 2800/1220 | oxide | Russia | from 2025 |
| MBIR | experimental, loop | 100~150/ | oxide | Russia | from 2020 |
| CDFR-1000 | demonstration, pool | /1000 | oxide | China | from 2023 |
| CDFBR-1200 | commercia, pool | /1200 | metal | China | from 2028 |
| PGSFR | prototype, pool | /150 | metal | South Korea | from 2028 |
| JSFR | demonstration, loop | /500 | oxide | Japan | from 2025 |
| TWR | prototype | /600 | metal | China with USA | from 2023 |