gandr-langchain
LangChain text to speech tool for the Gandr TTS API, built for voice agents.
- First audio byte in 146 ms over the open internet, 116 ms p50 first audio, server side warm
- Reads numbers, dates, order IDs and addresses correctly
- One engine speaks 23 languages with six voices
- Every render watermarked (imperceptible, detectable)
- $10 a month for one million tokens, or unlimited, unmetered stream plans from $150/mo (annual)
Free key starts at 100,000 tokens, no card: gandr.ai
Install
pip install gandr-langchain
Use
from gandr_langchain import GandrText2SpeechTool
tool = GandrText2SpeechTool() # reads GANDR_API_KEY from the environment
path = tool.run("Order number 4-2-7-1 ships on March 3rd.")
# path is a WAV file of the spoken line
# pick a voice or a language per tool instance
tool = GandrText2SpeechTool(voice="gandr-leo", language="es")
Drops into any LangChain agent as a standard tool: the model passes the text to speak, gets back the audio file path.
Docs: gandr.ai/docs · Voices: gandr-ava, gandr-dane, gandr-jenny, gandr-leo, gandr-lewis, gandr-mia
1 maintainer
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