Free web
Free source (opens in a new tab)
Month
For: Trying the API
Limits
- 20,000 scans per month
- 1 API key
1 more
- 24-hour log retention
Includes
- Prompt injection and PII detection
- Zero retention mode
1 more
- Basic dashboard
Coding · pricing
PromptGuard pricing in 2026: Free, Build, Team and Enterprise explained
Choose PromptGuard if you need an LLM firewall that screens prompts and responses for injection, jailbreaks and PII leaks, starting on the free tier of 20,000 scans per month.
- Starting price
- $19/mo (Team)
- Free option
- Yes
- Plans
- 4
- Prices checked
- Oct 2, 2026
PromptGuard plans and what they include
PromptGuard is an LLM firewall priced by scan volume. The Free tier is permanent, needs no card, and covers 20,000 scans per month, 1 API key and 24-hour log retention, with prompt injection and PII detection, zero retention mode and a basic dashboard. Past the quota, requests return a 429 error on Free until you upgrade.
Build is $99 per month for 100,000 scans, 5 API keys, 7-day log retention, the full detector set, custom policies and email alerts. Team is $19 per seat per month with 15,000 scans per seat, pooled, plus a browser extension, desktop agent, on-device PII redaction and fleet enrollment with MDM. Enterprise is custom-priced with air-gapped deployment, SSO, SCIM, IP allowlist and a 4hr SLA. Prices checked on 2026-10-02.
PromptGuard plans compared
| Plan | Price | Billing | Who it is for | Key limits | API |
|---|---|---|---|---|---|
| Free web |
Free | Monthly | Trying the API | 20,000 scans per month; 1 API key; 24-hour log retention | Not stated |
| Build web |
$99/mo | Monthly | Teams shipping an AI product | 100,000 scans per month; 5 API keys; 7-day log retention | Included |
| Team web |
$19/mo per seat per month | Monthly | Controlling staff AI use | 15,000 scans per seat, pooled | Not stated |
| Enterprise web |
Custom pricing | Unknown | Regulated organizations | Custom volume | Not stated |
Which PromptGuard plan to pick
| If you | Pick | Why |
|---|---|---|
| you are prototyping an LLM app and want basic screening | Free | 20,000 scans a month with injection and PII detection, no card, but 1 API key and 24-hour log retention. |
| you run a production app and need custom policies | Build, $99/mo | 100,000 scans, 5 API keys, 7-day logs, the full detector set and email alerts. |
| you want to protect employees using AI tools | Team, $19 per seat per month | Browser extension, desktop agent and on-device PII redaction, with 15,000 scans per seat pooled. |
| you need SSO, air-gapped deployment or an SLA | Enterprise (custom) | SSO, SCIM, IP allowlist and a 4hr SLA; audit logs are Enterprise only too. |
What is free, what costs extra
Free access and trial
Permanent free tier, no card.
14-day money-back guarantee on paid plans.
Extra costs and taxes
Pro allows pay-as-you-go overage per comparison table.
Not stated.
Costs that are easy to miss
- Requests past the Free quota return 429 until you upgrade, so a traffic spike can break the integration.
- SSO, audit logs and IP allowlist are Enterprise only.
- The product is developer-oriented and needs API integration work.
- Paid plans carry a 14-day money-back guarantee, but there is no trial.
- Taxes are not stated in our verified data.
PromptGuard pricing and usage limits
Prices checked Oct 2, 2026 on the official US pricing page. Official pricing ↗ Prices and limits change often.
Free access and trial conditions
Permanent free tier, no card.
14-day money-back guarantee on paid plans.
Paid plans: what changes as you upgrade
Build web
$99/mo source (opens in a new tab)
Month
For: Teams shipping an AI product
Limits
- 100,000 scans per month
- 5 API keys
1 more
- 7-day log retention
Includes
- Full detector set
- Custom policies
1 more
- Email alerts
API included
Team web
$19/mo per seat per month source (opens in a new tab)
Month
For: Controlling staff AI use
Limits
- 15,000 scans per seat, pooled
Includes
- Browser extension and desktop agent
- On-device PII redaction
1 more
- Fleet enrollment and MDM
Enterprise web
Custom pricing source (opens in a new tab)
Unknown
For: Regulated organizations
Limits
- Custom volume
Includes
- Air-gapped deployment
- SSO, SCIM, IP allowlist
1 more
- 4hr SLA
Usage caps, credits and extra costs
Pro allows pay-as-you-go overage per comparison table.
Not stated.
How much PromptGuard costs per year
At the listed prices, a single user pays between $228 and $1,188 a year on the fixed-price plans, or nothing on the free tier within its limits. Annual billing discounts, taxes and usage-based extras are listed per plan above where the vendor publishes them.
PromptGuard FAQ
What does PromptGuard cost?
Free; Build $99/month; Team $19/seat/month; Enterprise custom. source (opens in a new tab)
What happens at the free limit?
Requests are paused (429) until you upgrade. source (opens in a new tab)
Does it store my prompts?
Every plan includes a zero retention mode. source (opens in a new tab)
Is there a refund?
14-day money-back guarantee. source (opens in a new tab)
Is PromptGuard free?
Yes. The Free tier is permanent, needs no card and includes 20,000 scans per month.
How much is the Build plan?
$99 per month for 100,000 scans per month and 5 API keys.
How is Team priced?
$19 per seat per month, with 15,000 scans per seat pooled across the team.
Can I get my money back?
Paid plans have a 14-day money-back guarantee.
More about PromptGuard
- Full PromptGuard guide: features, use cases, how-to and sources.
- Best coding tools compared by price.
- LLM API token cost calculator if you pay per token instead of per seat.