Search with Lepton

Build your own conversational search engine using less than 500 lines of code.
Live Demo

• Built-in support for LLM
• Built-in support for search engine
• Customizable pretty UI interface
• Shareable, cached search results

There are two default supported search engines: Bing and Google.

To use the Bing Web Search API, please visit this link to obtain your Bing subscription key.

You have three options for Google Search: you can use the SearchApi Google Search API from SearchApi, Serper Google Search API from Serper, or opt for the Programmable Search Engine provided by Google.

pip install -U leptonai && lep login

1. Set Bing subscription key

export BING_SEARCH_V7_SUBSCRIPTION_KEY=YOUR_BING_SUBSCRIPTION_KEY

2. Build web

cd web && npm install && npm run build

3. Run server

BACKEND=BING python search_with_lepton.py

For Google Search using SearchApi:

export SEARCHAPI_API_KEY=YOUR_SEARCHAPI_API_KEY
BACKEND=SEARCHAPI python search_with_lepton.py

For Google Search using Serper:

export SERPER_SEARCH_API_KEY=YOUR_SERPER_API_KEY
BACKEND=SERPER python search_with_lepton.py

For Google Search using Programmable Search Engine:

export GOOGLE_SEARCH_API_KEY=YOUR_GOOGLE_SEARCH_API_KEY
export GOOGLE_SEARCH_CX=YOUR_GOOGLE_SEARCH_ENGINE_ID
BACKEND=GOOGLE python search_with_lepton.py

You can deploy this to Lepton AI with one click:

You can also deploy your own version via

lep photon run -n search-with-lepton-modified -m search_with_lepton.py --env BACKEND=BING --env BING_SEARCH_V7_SUBSCRIPTION_KEY=YOUR_BING_SUBSCRIPTION_KEY

Learn more about lep photon here.