How do their growth rates compare?

Arcjet has a month-over-month growth rate of +8.1%; Replit has -7.7%.

How does pricing compare?

Arcjet: Free Trial, Paid, Contact for Pricing. Free trial available, then paid plans with custom pricing for larger deployments. Enterprise and volume pricing is quoted on request. Check the official pricing page for current tiers and usage limits. Replit: Freemium, Paid. There is a free mode with limited chat hours and projects. Replit Core is about $20/month (about $18/month billed annually), and Replit Pro is roughly $90–100/month billed annually for commercial work. Enterprise plans add SSO/SAML, SOC 2 controls and admin features.

What are alternatives to Arcjet and Replit?

Other tools in related categories include Salesforce Agentforce (formerly Einstein), Hostinger AI Website Builder & Hosting, Muse, HubSpot Breeze AI & Agent Hub, Jotform AI Agents.

Arcjet vs Replit — Traffic (55.01K vs 10.02M), Pricing & Verdict

Open AI Tools

Arcjet vs Replit — Traffic (55.01K vs 10.02M), Pricing & Verdict | Open AI Tools

Side-by-Side Traffic & Specification Matrix

Dimension / Metric	Arcjet	Replit
Official Domain	arcjet.com	replit.com
Pricing Model	Free Trial, Paid, Contact for Pricing	Freemium, Paid
Monthly Visits	55.01K (55,012)	10.02M (10,016,437)
MoM Traffic Delta	+4.12K (+8.1%)	-833.88K (-7.7%)
Primary Market & Share	🇬🇧 United Kingdom (14.9%)	🇺🇸 United States (33.4%)
Direct Visits / mo	33.33K	6.14M
User Rating	5	5
Supported Platforms	Website	Website

Arcjet

Runtime security that decides what your AI agents are allowed to do

Agent action policy enforcement

Wrap agent tool calls and get a typed decision - allow, block, redact or hold for review - before the tool actually executes, based on actor, role, route and typed inputs.

Prompt injection detection

Screen user input, fetched web pages, API responses and tool output for hostile instructions before anything reaches the model context.

Sensitive information and DLP

Detect and strip names, addresses, national IDs, bank and card numbers before they reach model context, logs or third-party tools, with optional in-process local detection.

Web app protections

Bot protection, WAF rules, rate limiting, signup form protection and email validation to keep public endpoints and signup flows clean.

Strengths & Pros

+Evaluates the whole agent run, not just a single request, which catches sequence drift and multi-step abuse
+Detection can run in-process so sensitive data does not have to leave your environment
+Broad SDK and agent-framework coverage, including an MCP server, CLI and coding-agent skills
+Decisions and policy versions stream to common SIEM and observability stacks for compliance evidence