Deepgram is an enterprise speech-to-text API offering real-time transcription, audio intelligence, and text-to-speech with 99% accuracy. Deepgram features 36 languages, speaker diarization, sentiment analysis, and topic detection starting free with pay-as-you-go at $0.0043/minute.

Key Features:

• 99% Accuracy - Industry-leading transcription quality


• Real-Time Streaming - Live transcription with low latency


• 36 Languages - Multilingual speech recognition


• Speaker Diarization - Identify and label different speakers


• Sentiment Analysis - Detect emotional tone


• Topic Detection - Automatically categorize content


• Custom Model Training - Fine-tune for specific use cases


• Summarization - Auto-generate transcription summaries


• Text-to-Speech - Aura AI voices included


• On-Premise Deployment - Enterprise data control

Pricing:

Free: $200 credit ($0 forever after testing)

Pay-As-You-Go: $0.0043/min pre-recorded, $0.0065/min streaming

Growth: $1,250/month (includes usage)

Enterprise: Custom pricing (volume discounts, SLA)

Platforms:

API, SDK (Python, Node.js, Go, .NET), On-Premise

Alternatives:

AssemblyAI, Google Cloud Speech-to-Text, AWS Transcribe, Rev.ai, Whisper API

Note: Enterprise-grade reliability. Custom models for specialized vocabulary. Designed for developers building voice-enabled applications.