# Deepgram > AI-powered APIs for speech recognition, voice agents, audio intelligence, and text-to-speech. Deepgram provides a suite of developer APIs for voice and audio processing, including Speech-to-Text, Text-to-Speech, Voice Agent API, and Audio Intelligence. Designed for low-latency, high-accuracy applications, these APIs are used in real-time agent systems, transcription tools, and audio analytics. Deepgram supports streaming and batch input, with features like speaker diarization, redaction, sentiment detection, and summarization. The platform also powers Deepgram Saga, a developer-focused Voice OS for integrating intelligent voice experiences. ## Features - Real-time and batch speech recognition - Streaming and REST APIs - Text-to-speech with natural-sounding voices - Voice Agent API for agentic workflows - Audio Intelligence for summarization, sentiment, and more - Custom model training (Enterprise only) - Speaker diarization and redaction - Support for multiple languages and formats ## Platforms API ## Pricing Freemium — Free tier available with paid upgrades ## Links - Website: https://deepgram.com/ - Documentation: https://developers.deepgram.com/ - EveryDev.ai: https://www.everydev.ai/tools/deepgram