📖 The AI Tool Bible

Izlo vs Plano

A side-by-side look at pricing, capabilities, pros, cons, and our editorial scores.

 
Izlo
Agents
Plano
Agents
TaglinePrompt management platform with version control, collaboration, and an API for production deployment.Envoy-based data plane for AI agents that handles routing, guardrails, and observability outside your app code.
CategoryAgentsAgents
PricingPaid· Solo $20/mo; Pro $25/user/mo; Enterprise $39/user/moFree· Open source; commercial pricing not disclosed
ModelModel-agnosticMulti-model
Editorial score6.9 / 107.2 / 10
Use cases
prompt-managementversion-controlteam-collaborationprompt-testingproduction-deployment
agent-orchestrationllm-routingguardrailsobservabilityjailbreak-detection
Pros
  • Git-style version history and activity log for every prompt change
  • Remix sandbox isolates experiments from production prompts
  • REST API lets you swap prompts without redeploying the app
  • Built for multi-user team editing, not just solo developers
  • Envoy-based data plane gives production-grade traffic handling
  • Framework- and language-agnostic; sits beside any agent stack
  • Built-in guardrails, jailbreak detection, and centralized policies
  • Open source with on-prem deployment supported
  • Backed by DigitalOcean after acquisition
Cons
  • No free tier; cheapest plan is $20/mo
  • Stingy token allowance (5K/seat) for in-app testing
  • Lighter on observability/analytics than Langfuse or Helicone
  • Supported model providers not clearly listed on the site
  • Infrastructure layer, not a finished agent product
  • Pricing for managed/commercial tier not disclosed
  • Requires ops maturity to deploy and operate Envoy-based fabric
Websitegetizlo.complanoai.dev
Pick Izlo if
  • ✅ Git-style version history and activity log for every prompt change
  • ✅ Remix sandbox isolates experiments from production prompts
  • ✅ REST API lets you swap prompts without redeploying the app
  • ✅ Built for multi-user team editing, not just solo developers
Pick Plano if
  • ✅ Envoy-based data plane gives production-grade traffic handling
  • ✅ Framework- and language-agnostic; sits beside any agent stack
  • ✅ Built-in guardrails, jailbreak detection, and centralized policies
  • ✅ Open source with on-prem deployment supported
Compare a different pair →