PromptLayer
Prompt engineering & observability.
FreemiumVerified FreeAPI
100 · Fresh2026-07-09
Live preview of https://www.promptlayer.com
TL;DR
PromptLayer logs, versions, and evaluates prompts for LLM apps; free tier.
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FAQ
Is PromptLayer free?
PromptLayer has a machine-verified free tier (no card required).
Does PromptLayer have an API?
Yes, PromptLayer offers an API.
What are alternatives to PromptLayer?
Alternatives include Speakeasy, Softr, Continue.