Search with Lepton

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

Features

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

Setup Search Engine API

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

Bing Search

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

Google Search

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.

Setup LLM and KV

Note

We recommend using the built-in llm and kv functions with Lepton. Running the following commands to set up them automatically.

pip install -U leptonai && lep login

Build

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

Deploy

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.