Deepgram alternatives

These 12 tools sit in the same categories as Deepgram and are ranked by community score. Enterprise voice AI unifying speech-to-text, text-to-speech, and agents.

Tool	Pricing	Score	Categories
Deepgramthis one Enterprise voice AI unifying speech-to-text, text-to-speech, and agents	Freemium	118	Audio & Voice, Chatbots
ChatGPT OpenAI’s conversational assistant for everyday tasks.	Freemium	381	AI Writing, Chatbots
DeepSeek Open-weight frontier models, free to chat.	Free	262	Coding, Chatbots
AssemblyAI Production speech AI APIs for transcription and voice agents	Freemium	118	Audio & Voice, Coding
Decagon AI agents that scale customer service operations	Contact	40	Chatbots, Productivity
Sierra Enterprise conversational AI agents for customer engagement	Contact	58	Chatbots, Productivity
Cartesia Real-time voice AI for production applications	Freemium	65	Audio & Voice, Chatbots
Hume AI Real-time emotional metrics for voice AI evaluation	Freemium	65	Audio & Voice, Chatbots
Listnr AI-powered text-to-speech with 1000+ voices	Freemium	24	Audio & Voice