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Best Arcjet Alternatives in 2026

Arcjet: AI agent runtime security platform for detecting threats and enforcing policies. Here are 12 alternatives — compare pricing, free plans and API access side by side.

Arcjet vs. alternatives

Arcjet compared with its alternatives
ToolCategoryPricingStarting atFree planAPIOpen source
Arcjet
This tool
Security & PrivacyPaid$25/month
Axari
Security & PrivacyPaid$300/month
Checkmarx
Security & Privacy——
Constellation Gate AI
Security & PrivacyFreemium$20/month
Suprbox
Security & Privacy——
Koreshield
Security & PrivacyPaid£20/month
ClawSecure
Security & PrivacyFree—
AGG Loop
Security & Privacy——
CrowdStrike Charlotte AI
Security & PrivacyPaid—
YAWNING TITAN
Security & PrivacyFree—
repo-forensics
Security & PrivacyFree—
CAI
Security & PrivacyFree—
LLM Guard
Security & PrivacyFree—

Top Arcjet alternatives

  1. Axari

    Security & Privacy

    Automates security workflows and ensures compliance.

    • Security Automation
    • Compliance Management
    • Threat Response

    Paid

  2. Checkmarx

    Security & Privacy

    Agentic application security software platform with AI-powered agents and unified risk intelligence

    • Unified Risk Intelligence
    • AI-Driven SDLC Security
    • Pre-Commit AppSec Prevention
  3. Constellation Gate AI

    Security & Privacy

    Controls AI access, prevents threats, and tracks messages.

    • AI Security

    Freemium

  4. Suprbox

    Security & Privacy

    Secure storage for AI agents with policy controls

    • Secure Storage
    • AI Agent Security
    • Document Vault
  5. Koreshield

    Security & Privacy

    Inspects customer input, retrieved context, and proposed actions before they become trusted instructions in AI support workflows.

    • Runtime Security
    • AI Workflows

    Paid

  6. ClawSecure

    Security & Privacy

    Secures AI agents and MCP servers with free scanning and runtime defense.

    • AI Agent Security
    • Threat Detection
    • Runtime Monitoring

    Free

  7. AGG Loop

    Security & Privacy

    Cybersecurity solutions for continuous vulnerability scanning, identity access control, and tamper-evident agreements.

    • Continuous Scanning
    • Identity Access Control
    • Tamper-Evident Agreements
  8. CrowdStrike Charlotte AI

    Security & Privacy

    AI-native cybersecurity platform for protecting endpoints, cloud workloads, identities, and data.

      Paid

    • YAWNING TITAN

      Security & Privacy

      Abstract, graph-based cyber-security simulation environment for training intelligent agents.

      • Cybersecurity Agents
      • Graph-Based Simulation

      Free

    • repo-forensics

      Security & Privacy

      Offline security scanner for AI-agent repos, skills, plugins, and MCP servers.

      • Security Scanner
      • AI Security

      Free

    • CAI

      Security & Privacy

      Framework for AI security and cybersecurity research

      • AI Security
      • Cybersecurity Research

      Free

    • LLM Guard

      Security & Privacy

      Security toolkit for LLM interactions

      • Security Toolkit
      • LLM Security
      • Input Scanning

      Free

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