AI Voice Agents

NVIDIA NeMo

NVIDIA framework for speech and language models

NVIDIA NeMo is an open-source framework for building speech and language models. Its speech toolkit includes recognition models such as Parakeet and Canary, along with training recipes.

sttnvidiaparakeettraining

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Deepgram

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Speech-to-text and text-to-speech APIs

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OpenAI Whisper

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Open-source multilingual speech recognition

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Amazon Transcribe

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AWS speech-to-text service

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AssemblyAI

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Speech-to-text API with audio intelligence

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Whisper reimplemented with CTranslate2

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Gladia

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Speech-to-text API for files and live audio

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