At a glance
- PromptLayer is listed under LLM observability, alongside Braintrust, Confident AI and Helicone.
- PromptLayer has a free plan.
- PromptLayer's lowest paid plan is Pro at $49 per month, as of November 14, 2026.
- PromptLayer works with Claude Code.
- PromptLayer's main features: Prompt management, Agent observability, Evaluations, No-code prompt editor, A/B testing prompts.
- PromptLayer's website lists SOC 2, GDPR, HIPAA and SSO.
- PromptLayer has a public API.
- PromptLayer can be self-hosted.
Facts from promptlayer.com, checked November 14, 2026.
AI summary
The summary writes itself once 5 people have reviewed this tool.
It's built only from what reviewers say: who it's best for, who should think twice, and what comes up again and again.
Reviews needed for a summary0 of 5
