Boost LLM Performance with Prompt‑Optimizer: Open‑Source Prompt Tuning Made Easy

What is Prompt‑Optimizer?

Prompt‑Optimizer is an open‑source prompt‑optimization tool that uses AI models (OpenAI, Gemini, DeepSeek, etc.) to help users craft more accurate and efficient prompts, enabling large models to produce higher‑quality results. In just four months it has earned over 9.1 K stars on GitHub.

Why use Prompt‑Optimizer?

Because generic prompts often yield unsatisfactory answers; professional, well‑crafted prompts let the model understand intent better, producing more accurate responses and saving effort.

Core Features

Smart Optimization & Real‑time Comparison : One‑click prompt optimization with iterative rounds, side‑by‑side comparison of original and optimized prompts, and model response comparison.

Multi‑Model Integration & Advanced Configuration : Supports OpenAI, Gemini, DeepSeek, Zhipu AI, SiliconFlow and others, with per‑model settings such as max tokens, timeout, temperature, etc.

Security & Privacy : Direct communication with AI providers without intermediate servers; history and API keys are encrypted; import/export supported.

Cross‑Platform Support : Available as a web app and as a Chrome extension.

Customizable UI : Day/night themes, language toggle, and various page styles.

Typical Use Cases

Education – refine syllabus prompts; Learning – ask clearer questions; Life – generate detailed guides; Office – improve work‑related queries.

Deployment

Prompt‑Optimizer can be deployed via Docker, Docker‑Compose, or as a Chrome extension.

Docker

# Run container with default settings
docker run -d -p 80:80 --restart unless-stopped --name prompt-optimizer linshen/prompt-optimizer

# Run with API key and password
docker run -d -p 80:80 \
  -e VITE_OPENAI_API_KEY=your_key \
  -e ACCESS_USERNAME=your_username \
  -e ACCESS_PASSWORD=your_password \
  --restart unless-stopped \
  --name prompt-optimizer \
  linshen/prompt-optimizer

Docker‑Compose

# Clone repository
git clone https://github.com/linshenkx/prompt-optimizer.git
cd prompt-optimizer

# Create .env with API keys and credentials
cat > .env <<EOF
VITE_OPENAI_API_KEY=your_openai_api_key
VITE_GEMINI_API_KEY=your_gemini_api_key
VITE_DEEPSEEK_API_KEY=your_deepseek_api_key
VITE_ZHIPU_API_KEY=your_zhipu_api_key
VITE_SILICONFLOW_API_KEY=your_siliconflow_api_key
ACCESS_USERNAME=admin
ACCESS_PASSWORD=your_password
EOF

# Start services
docker compose up -d

Chrome Extension

Install “Prompt‑Optimizer” from the Chrome Web Store and use it directly in the browser.

Project Links

GitHub: https://github.com/linshenkx/prompt-optimizer Online demo: https://prompt.always200.com/