Reviewed by the Softwares.com Editorial Team · Last updated June 2026 · How we rate
Key facts
- Vendor
- PromptLayer
- Pricing
- Freemium — Free – $50/mo
- Free tier
- Yes
- Platforms
- Web, Api
- Best for
- Developers, Ai Teams
- Editor rating
- 4.3 / 5
- Founded
- 2022
- Headquarters
- New York, USA
What is PromptLayer?
PromptLayer is a ai machine learning tool from PromptLayer. A platform for versioning, testing and monitoring LLM prompts, with logging, evaluation and a visual prompt registry for AI product teams.
PromptLayer uses freemium pricing and offers a free tier you can start on without a credit card. Free – $50/mo.
It's best suited to developers, ai teams and runs on Web, Api.
Standout strengths include prompt versioning, request logging, no-code prompt edits. Worth weighing: pro pricing scales, developer-oriented.
PromptLayer pricing
Pros
- Prompt versioning
- Request logging
- No-code prompt edits
Cons
- Pro pricing scales
- Developer-oriented
PromptLayer vs alternatives
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Frequently asked questions
What is PromptLayer?
A platform for versioning, testing and monitoring LLM prompts, with logging, evaluation and a visual prompt registry for AI product teams.
How much does PromptLayer cost?
PromptLayer is freemium-priced. It has a free tier. Paid plans start at $50/mo.
Does PromptLayer have a free trial?
PromptLayer offers a free tier rather than a time-limited trial.
What platforms does PromptLayer support?
PromptLayer is available on Web, Api.