Nightfall AI for LLMs Pricing 2026: Plans, Costs & Free Options

Last Updated: May 2026

AI-native DLP for ChatGPT, Copilot and LLM apps preventing sensitive data leakage in prompts. This page breaks down Nightfall AI for LLMs's Freemium pricing model, what it includes, and how it compares to free alternatives in the AI Security & LLM Safety category.

Pricing Overview

Pricing Model

Freemium

This means the tool is free to use and typically open-source — you self-host it, customize it, and pay nothing for the software itself.

Is Nightfall AI for LLMs Free?

Yes, Nightfall AI for LLMs is completely free and open-source. You can download, use, and modify it without paying any license fees.

Is Nightfall AI for LLMs Worth It?

Nightfall AI for LLMs is rated 4.3/5 in our AI Security & LLM Safety directory and is completely free, which makes it an easy recommendation for any team that can self-host and manage their own deployment. You get full functionality without licensing costs, though you trade vendor support for community forums and documentation. For AI Security & LLM Safety workflows, Nightfall AI for LLMs delivers strong value, especially for individuals, students, and budget-conscious teams. The main consideration is operational overhead — you own the install, updates, and tuning. If your team has the technical capacity, Nightfall AI for LLMs is well worth adopting.

Cheaper Alternatives

If Nightfall AI for LLMs's pricing is out of budget, these AI Security & LLM Safety tools offer free or freemium options:

Lakera Guard Freemium
Lakera Guard protects LLMs from prompt injection, jailbreaks, and data leaks in real time via a simple API. Free tier available. Full review with pricing and alternatives.
Garak LLM Scanner Free/OSS
Open-source LLM vulnerability scanner testing for prompt injection jailbreaks and safety failures.
Prompt Armor LLM Freemium
Real-time prompt injection firewall protecting LLM applications from adversarial inputs and jailbreaks.

Frequently Asked Questions

How much does Nightfall AI for LLMs cost?

Nightfall AI for LLMs uses a Freemium pricing model. This means the tool is free to use and typically open-source — you self-host it, customize it, and pay nothing for the software itself. For exact current pricing, visit the Nightfall AI for LLMs website directly — vendors update tiers and quotas regularly.

Is there a free version of Nightfall AI for LLMs?

Yes, Nightfall AI for LLMs is completely free and open-source. You can download, use, and modify it without paying any license fees.

What are cheaper alternatives to Nightfall AI for LLMs?

In the AI Security & LLM Safety category, the most popular free or freemium alternatives are Lakera Guard, Garak LLM Scanner, Prompt Armor LLM. Each offers a comparable feature set at lower or zero cost — see our /alternatives page for full breakdowns.