Arcjet
Runtime security in app code: prompt injection, agent tool authorization, PII redaction, bots, and rate limits.
Category: Development & Code · Coding assistants & IDEs
Features
Arcjet is runtime security in app code. It checks prompt injection, authorizes agent tool calls, redacts PII, and blocks bots, abuse, rate limits, and Shield WAF. That is not Cloudflare WAF alone.
After the 15-day trial, Free stays hard-capped at 10,000 requests/month. Individual $25 and Startup $299 are the monthly list seats. Usage $5/1M web and $50/1M agent. No Growth $799.
- Free 10k requests, Individual $25, Startup $299 / month
- Prompt injection and agent tool guards in app code, not Cloudflare WAF alone
Prices and plans
| Tier | Price | Period | What you get |
|---|---|---|---|
| Free | free | month | After the 15-day trial: Free with a hard cap of 10,000 requests/month. No overage billing over the cap. Lift the cap only by setting up billing and a paid plan. No Growth $799 tier on the vendor page. |
| Individual | $25 | month | $25/month. 1 team member, 1 hour log retention, email support. Paid usage: web requests $5/1M, agent requests $50/1M. No hard request cap on paid plans. |
| Startup | $299 | month | $299/month. 2 team members, 24 hour log retention, email plus Slack. Same usage meter: web $5/1M, agent $50/1M. No Growth $799 on the vendor page. |
| Enterprise | contact sales | contract | Custom pricing. Unlimited team members, SIEM export, priority support. Dedicated capacity, regional processing, custom retention, multi-org, SCIM, audit export, SLA. No list seat. |
Limits
protect() counts as a web request. Agent protection counts as an agent request. The trial has usage limits. Paid has no hard request cap. Budget thresholds are named on the pricing page.
Alternatives and similar tools to Arcjet
FAQ
Is Arcjet available for free?
Yes. A permanently free plan is published, not a time-limited trial.
How is Arcjet billed?
Vendor USD, no FX. No Growth $799. Usage $5/1M web and $50/1M agent on paid plans. Arcjet is not Cloudflare WAF alone and not a generic API gateway alone.
How many plans are documented for Arcjet?
The catalog documents 4 plans with price, billing period, and included features.
Is Arcjet still active?
Arcjet is still active: access checked on the official product page.
How many official sources are on file for Arcjet?
3 official sources are on file for Arcjet, and prices and limits are based on them.
How we compare
We compare free access, paid entry, plan limits, features and the listed official sources. Unsourced figures stay marked as not published.
Only confirmed entries appear in the catalog. Prices, plans and limits come from listed official vendor pages. Missing figures stay marked as not published. Result lists are alphabetical by default and can be switched to Free access first; neither is a quality ranking. The vendor page always wins.
Edited and checked by the AI Compare team
Sources
- https://arcjet.com/
- https://arcjet.com/pricing
- https://docs.arcjet.com
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