PromptLayer

✓ verified, sync 2026-08-20

PromptLayer is a platform designed to track and manage GPT prompt engineering. It acts as middleware between your code and OpenAI's Python library, recording all OpenAI API request….

PricingFreemium

Rating2.0 on Toolify

Category Prompt EngineeringLarge Language Models (LLMs)AI MonitorAI Developer ToolsAI AgentAI Testing +4

First indexed2026-08-20

What it does.

PromptLayer is a platform designed to track and manage GPT prompt engineering. It acts as middleware between your code and OpenAI's Python library, recording all OpenAI API requests. This allows users to search and explore request history in the PromptLayer dashboard. It provides tools for prompt management, evaluation, LLM observability, team collaboration, and improving prompt quality.

registry ID ndock:tool:promptlayer

Features

Prompt management
Prompt evaluations
LLM observability
Team collaboration
Version control for prompts
A/B testing of prompts
Prompt Registry
Historical backtests

Pricing history.

auto-diffed on every sync: the changelog other directories don't keep

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