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Nightfall suits security teams that need one policy across every app and device. Hushbridge suits people who want to use AI on client work and get usable answers back.
Broad platform
Nightfall is a data loss prevention platform for security and IT leaders. It watches SaaS apps, endpoints and browsers. For AI tools it can inspect prompts and either redact sensitive data or block it. It also covers agents and tool calls on its higher plan. The best fit is a company that wants central policy, alerts and audit trails.
Local protection layer
Hushbridge works on one person's device. It swaps details for placeholders such as [PERSON_1] and shows you what the AI will get. After you review it, the placeholder version goes to the AI. Real values come back on your device, so the answer is ready to use. It fits professionals and small teams without a security department.
| Question | Nightfall | Hushbridge |
|---|---|---|
| What it protects | Sensitive company and customer data across SaaS apps, endpoints, browsers and AI prompts, tool calls and responses. | Names, identifiers, addresses, secrets and anything on your own "always protect" list, in text you type or paste. |
| Where processing happens | Not verified. The pages checked do not say where detection runs. | On your device. |
| Where original values are stored | Not published. | In a swap table that stays on your device. |
| Restore in replies | Not documented. The pages describe redacting or blocking, not putting values back in answers. | Yes. Real values return on your device in supported replies. |
| How you use it | An admin rolls out the Nightfall Chrome extension and app integrations. Developers can call its Developer Platform API. | A browser extension for ChatGPT, Claude, Gemini, Copilot and Perplexity, a web workspace, or the SDK and local proxy in your own code. |
| Deployment | Managed by a security team. Nightfall says setup takes about an hour. The Chrome extension is in the Chrome Web Store. | The extension installs manually in Chrome with "Load unpacked". It is not in the Chrome Web Store yet. Workspace and billing run on tightlipai.com during the move to the new name. |
| Pricing | Not published. Priced per user per year and by data volume, through sales. A free 7-day proof of value is offered. Vendr reports a median of USD 25,000 a year across 41 purchases, range USD 12,000 to USD 73,200. | USD 0.05 per credit. Top-ups from USD 100. USD 20 free credit on sign-up (to be reconfirmed before launch). One credit covers each started block of 8,000 tokens. |
The Vendr figures come from buyer contracts Vendr has seen, last updated February 2026. They are not Nightfall's list prices.