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PromptLayerBraintrust
Freemium

Free plan available with paid tiers for teams.

 Freemium

Self-serve sign-up with paid plans listed on the pricing page.

Web Web
  • Visual prompt editing without code redeploys
  • Evaluations with datasets, graders and human review
  • Real-time tracing of prompts, responses and tool calls
  • Evals scored by LLMs, code or humans
  • Hosted service; prompts and logs live on its servers
  • Requires an account
  • Hosted service that requires an account
  • Aimed at teams building LLM products, not individual users
Web application, Hosted service Hosted service
Closed source Closed source
License not stated License not stated
Account needed Account needed
Needs internet Needs internet

Checked October 2, 2026

Checked October 1, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.