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Using the web viewer

View and compare eval results in your browser.

npx promptfoo@latest view

After you run an eval, the viewer displays results side-by-side:

promptfoo web viewer

Features​

  • Compare prompts - See outputs across models and prompts in one view
  • Rate outputs - Mark good and bad responses to identify top performers
  • Filter - Narrow results by metrics, metadata, or pass/fail status
  • Keyboard shortcuts - Navigate quickly without the mouse
  • Bulk operations - Export or delete multiple evals at once
  • Live updates - Results refresh automatically after each eval

For terminal, HTML, CSV, or JSON output, see output formats.

Sharing​

Click the Share button to send results to teammates.

Cloud (free forever)​

Sharing to promptfoo.app is free and creates private links visible only to your organization.

# One-time setup
promptfoo auth login -k YOUR_API_KEY

# Share any eval
promptfoo share

Self-hosted​

Share to your own server by setting these in your config:

promptfooconfig.yaml
sharing:
  apiBaseUrl: http://your-server:3000
  appBaseUrl: http://your-server:3000

Or configure via API Settings in the viewer's top-right menu.

See sharing documentation for authentication, enterprise options, and CI/CD setup.