Retrio

Coding & DevelopmentFreemium
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$19.99/moStarting price
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About Retrio

Retrio evaluates AI agents by running test cases against their API endpoints and comparing results against expected behavior. Users define golden baselines as trusted references for future evaluations, enabling detection of regressions and behavioral drift. The tool provides pass/fail diagnostics across evaluation runs and maintains a history of changes to identify when and where behavior shifts occur. It supports universal compatibility with any agent that exposes an API, regardless of framework or language, without requiring SDK installation or code instrumentation. Results are presented through individual test reports, drift and regression tracking, and historical analytics. Exports are available in PDF and JSON formats for further analysis or record-keeping.

Key features

  • API endpoint testing
  • Golden baseline management
  • Regression and drift detection
  • Historical evaluation tracking
  • Individual test reports
  • PDF and JSON exports
  • Unlimited projects on Pro plan
  • Zero vendor lock-in

Use cases

  • Validating AI agent behavior against expected policies
  • Detecting regressions in agent responses over time
  • Comparing agent performance across different evaluation runs

Pros

  • No SDK installation or code instrumentation required
  • Supports any agent with an API endpoint
  • Provides drift and regression detection
  • Offers PDF and JSON export options
  • Free tier available for initial testing

Cons

  • Limited to agents accessible via API
  • Free plan restricts evaluations and test cases
  • No mention of multi-user or team collaboration features
  • Pricing requires upgrade for larger evaluation suites

Frequently asked questions about Retrio

What can I test with Retrio?

If your AI agent exposes an API endpoint, Retrio can test it regardless of the underlying framework or language. This includes agents built with LangChain, CrewAI, AutoGen, LlamaIndex, or custom Python and TypeScript implementations.

How is Retrio different from tools like LangSmith or Braintrust?

Retrio is designed to be endpoint-first, meaning it does not require code instrumentation or SDK adoption. It tests agents purely through their API, making it compatible with any stack without modifying existing codebases.

What is a golden baseline?

A golden baseline is a trusted reference output that serves as the expected behavior for a test case. Future evaluations are compared against this baseline to detect regressions or behavioral drift.

What happens when a test changes?

Retrio records the results of each evaluation run, allowing users to inspect changes over time. This helps identify regressions or shifts in agent behavior by comparing historical runs.

Can I export my results?

Yes, Retrio supports exporting evaluation results in PDF and JSON formats for further analysis or record-keeping.

Can I start for free?

Yes, Retrio offers a Free plan that allows users to get started with agent evaluation, including a limited number of evaluations per month.

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