Product
Prompt Optimizer
Prompt Optimizer is an open-source AI app, launched in 2025, made for developers and people who don't write code.
A tool for rewriting, testing and comparing prompts, on the web, desktop or as a browser extension.
Main jobs: Prompt optimization. It is open source and free to use. You can use it in the browser, as a desktop app, as a browser extension and on your own server.
Markdown version of https://godooo.ai/en/product/prompt-optimizer. Every page on this site has one: add .md to its address.
At a glance
- Type
- Product
- Launched
- 2025
- Galaxy
- Writing & Work
- Pricing
- Open source, free
- Open source
- Yes
- Source code
- github.com/linshenkx/prompt-optimizer
- GitHub stars
- 35,590
- How you run it
- Web · Desktop · Browser extension · Self-host
- Made for
- Developers · No-code users
- Website
- prompt.always200.com
- Also known as
- 提示词优化器
What it can do
Prompt optimizationmain jobunconfirmed
“Prompt Optimizer is a powerful AI prompt optimization tool that helps you write better AI prompts and improve the quality of AI outputs.”— github.com, 2026-09-24
unconfirmedproposed by a machine, awaiting calibration
Alternatives
- prompts.chatOpen source, freeAlso does: Prompt optimization
- DSPyOpen source, freeAlso does: Prompt optimization; runs offline
- FabricOpen source, freeAlso does: Prompt optimization
- LangfuseOpen source, freeAlso does: Prompt optimization
- PhoenixOpen source, freeAlso does: Prompt optimization; runs offline
Connections
- Applies
- Prompt Engineering
Questions
What is Prompt Optimizer?
Prompt Optimizer is an open-source AI app, launched in 2025, made for developers and people who don't write code. A tool for rewriting, testing and comparing prompts, on the web, desktop or as a browser extension.
Is Prompt Optimizer free?
Yes. Prompt Optimizer is open source and free to use.
Is Prompt Optimizer open source?
Yes. The source code is at https://github.com/linshenkx/prompt-optimizer.
Can Prompt Optimizer run locally?
Prompt Optimizer can be self-hosted on your own server.
What can Prompt Optimizer do?
Main jobs: Prompt optimization.
What are open-source alternatives to Prompt Optimizer?
Open-source ones: prompts.chat, DSPy, Fabric, Langfuse and Phoenix.
Sources
- github.com/linshenkx/prompt-optimizerchecked 2026-09-24
- prompt.always200.com