AssemblyAI Alternatives & Similar Tools

Cartesia AI

similar - 4.4 rating

Real-time streaming text-to-speech API with natural voices, laughter, and emotion support across 40+ languages for AI agents and interactive apps.

Pulse by smallest.ai

similar

Speech-to-text API with real-time transcription, 38+ language support, speaker detection, and sentiment analysis.

Dasha

similar

Fastest voice AI platform for developers. Build production-ready voice agents with sub-second latency, supporting 30+ languages.

Play.ht

similar - 4.2 rating

AI text-to-speech platform with 900+ voices, instant voice cloning, and a real-time streaming API for app developers.

Notta

similar - 4.4 rating

AI transcription tool converting audio and video to text with real-time recording, 58+ language support, and meeting note summaries.

Gpt4office

similar

Windows desktop application converting speech to text in real time with multilingual transcription support.

Murf.ai

similar - 4.4 rating

Ultra-realistic AI voice generator and text-to-speech platform for creating voiceovers, dubbing, and voice agents at scale with 200+ voices across 35+ languages.

Moralis

similar - 4.4 rating

Enterprise-grade Web3 APIs and blockchain data infrastructure for fetching, monitoring, and exporting real-time crypto data across 50+ chains.

Hume AI

similar - 4.4 rating

Empathic AI research lab providing open-source models and APIs to embed emotional intelligence into voice AI systems across 50+ languages.

ChatLit Codes

similar

Chrome extension providing GPT API access with real-time text generation and support for GPT 3.5 and 4.

Deepfake Detection by Modulate

similar

Real-time deepfake detection API with 98.9% accuracy for distinguishing genuine human speech from AI-generated audio.

Eden AI

similar

API providing speech-to-text and text-to-speech functionality with unified access to multiple transcription and synthesis providers.