Comparing
Rebuff vs Lakera
Rebuff is a free, open-source tool you set up yourself to catch prompt injection attacks, while Lakera is a paid commercial service that offers broader protection (including filtering AI responses for harmful content) with less hands-on work.
Side by side scores
| Dimension | Rebuff | Lakera | Winner |
|---|---|---|---|
| Performance | 7.8 | 8.2 | Lakera ✓ |
| Trust | 8.0 | 8.4 | Lakera ✓ |
| Value | 9.2 | 8.0 | Rebuff ✓ |
| Improving Fast | 7.9 | 8.6 | Lakera ✓ |
| Here to Stay | 7.6 | 8.2 | Lakera ✓ |
| Overall | 8.1 | 8.3 | Lakera wins |
Plain English verdict
Rebuff is a free, open-source tool you set up yourself to catch prompt injection attacks, while Lakera is a paid commercial service that offers broader protection (including filtering AI responses for harmful content) with less hands-on work.
Best for
Choose Rebuff if…
- See the full profile for fit notes.
Choose Lakera if…
- See the full profile for fit notes.
Who wins for…
- Casual users: Lakera
- Power users: tie
- Budget-conscious: Rebuff