svelte gpt chatbot

features

• speech input and output (speech synthesis and speech recognition) using google cloud speech-to-text and whisper for text-to-speech

• multiple languages (for speech input and output)

• listening mode: automatically start and stop voice recording when speaking

• streamed response

• serverside or browserside api calls

todo

• settings:
  • turn on/off speech input
  • turn on/off speech output
  • select language
  • turn on/off dark mode
  • select voice
  • select gpt model
  • select gpt settings (temperature, etc.)
  • set start message
• add browser side api calls with api keys
• encode audio to mp3 (for cross browser support)
• get half second before speech start
• get half second after clicking stop
• add function calls
• show loading indicator
• show error messages
• multiple chats
• save chats and settings in local storage
• multiline input
• edit chat (delete, edit, add)
• figure out how to play and record on ios when phone locked

Developing

Create a .env file with the following content:

# .env
GOOGLE_API_KEY=your-google-api-key
OPENAI_API_KEY=your-openai-api-key

Where your google API key has the Speech-to-Text API enabled.

Install dependencies with npm install and start a development server:

# install dependencies
npm install
# start dev server
npm run dev

Open the localhost url in your browser and start chatting.