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AI tools for AI Engineers
3,775 live tools · ranked by monthly traffic and community votes · dead links removed automatically
Sub-second speech-to-text across 55+ languages with AI voice agents
164
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Managing multiple speech API accounts
153
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Fixie
107
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Vocode is an open-source toolkit for building voice-based AI agents.
50
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GPT-SoVITS is an open-source WebUI for few-shot voice conversion and text-to-speech.
41
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Hume EVI, the Empathic Voice Interface, is a voice AI API for building agents that pick up on how a person sounds as well as what they say.
33
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Rime is a text-to-speech provider whose voice models are made for real-time conversations.
35
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Pipecat is an open-source Python framework for building voice and multimodal AI agents that talk in real time.
28
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Vapi is a developer platform for building, testing and deploying voice AI agents that talk to customers on the phone.
24
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LiveKit Agents is an open source framework and cloud platform for building voice, video and physical AI agents and running them in production.
22
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Microsoft Azure AI Speech, now branded Azure Speech in Foundry Tools, is a cloud service for adding voice to applications and agents.
24
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The Deepgram Voice Agent API is one real-time API that combines speech recognition, language model orchestration and speech synthesis, so developers do not have to stitch separate services together.
23
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NPCs that actually think
215
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Your voice, synthesized
169
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Enterprise sales teams can't manually handle thousands of customer interactions across multiple channels
137
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Real-time voice changing
226
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Speech-to-text API built for accuracy at scale
162
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ElevenLabs Conversational AI, now branded ElevenAgents, lets teams build, test and deploy voice and chat agents that handle customer conversations.
40
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Cartesia is a voice AI company that provides one API for speech generation, transcription and production voice agents fast enough for live conversation.
35
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Piper is a fast, local neural text-to-speech engine that converts text into spoken audio on your own hardware, with no cloud service involved.
33
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Kokoro is an open-weight text-to-speech model with 82 million parameters.
34
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Deepgram is a voice AI platform that exposes speech-to-text, text-to-speech and conversational agents through APIs.
32
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OpenAI Whisper API is the speech-to-text service developers call to convert recorded audio into text.
29
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