Prompt Builder

Generate, optimize and keep a history of prompts for major chat models.

Freemium Prompt Optimizers promptbuilder.cc

About Prompt Builder

Prompt Builder helps you write a prompt from an idea and then refine it, keeping every version so you can compare and go back.

One of the tools that picked up former PromptPerfect users after that service closed.

Generate, optimize and keep a history of prompts for major chat models.

Prompt Builder has a free tier, with paid plans for more usage or features.

Prompt Optimizer (open source), DSPy, PrompTessor, PromptHub Enhancers.

Open Source

Popular open-source prompt optimizer you can use online or self-host.

Open Source

Framework for programming — not hand-writing — prompts, with automatic optimizers.

Freemium

Analyze, score and optimize prompts, and manage them in one place.

Freemium

Prompt enhancers built on current best practices for each model provider.