Deepgram vs Rev AI

Side-by-side comparison of Deepgram and Rev AI: pricing, features, API access, and community ratings.

AI comparison summary

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	Deepgram The most accurate and cost-effective real-time APIs for speech-to-text, text-to-speech, and voice agents Visit	Rev AI The world's most accurate speech-to-text API for developers, built for speed and global scale. Visit
Category	Voice & speech	Voice & speech
Pricing	Freemium	Freemium
Starting price
Free tier
Audience	All audiences	Technical
API available
Open source
Self-hostable
Model provider	Deepgram	Rev AI (proprietary models trained on 7M+ hours of human-verified speech data)
Founded	2015	2010
Headquarters	San Francisco, USA	San Francisco, USA
Key strengths	·Real-time and batch speech-to-text with industry-leading accuracy ·Unified Voice Agent API combining STT, TTS, and LLM orchestration ·Available both cloud-hosted and self-hosted for enterprise compliance ·Multilingual support across 10+ languages including Flux conversational STT	·Industry-leading Word Error Rate (WER) across diverse accents, genders, and nationalities ·Supports 57+ languages with context-aware translation ·HIPAA, SOC II, GDPR, and PCI compliant with 99.99% uptime ·Both async (pre-recorded) and streaming (real-time) speech-to-text APIs