These tools competes with
DeepgramvsAssemblyAI
Fast, accurate speech-to-text API versus Audio intelligence API — transcription + LLM understanding
Compare interactively in Explore →Choose Deepgram when…
- •You need real-time speech-to-text with <300ms latency
- •Accuracy on noisy audio or accented speech matters
- •You need speaker diarization or custom vocabulary
Choose AssemblyAI when…
- •You need structured intelligence from audio beyond raw transcription
- •You want LLM-powered Q&A over audio content
- •PII redaction or compliance on audio data is required
Side-by-side comparison
Field
Deepgram
AssemblyAI
Category
Voice AI
Voice AI
Type
Commercial
Commercial
Free Tier
✓ Yes
✓ Yes
Pricing Plans
Pay-as-you-go: $0.0043/minGrowth: Custom
Pay-as-you-go: $0.65/hrEnterprise: Custom
GitHub Stars
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Health
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Deepgram
Real-time and batch speech recognition API with <300ms latency. Supports 30+ languages, speaker diarization, and custom vocabulary. Nova-3 model is best-in-class for English accuracy.
AssemblyAI
Transcription API with built-in AI features: speaker labels, sentiment analysis, topic detection, PII redaction, and LeMUR (LLM over audio). Best for extracting structured insight from audio.
Shared Connections1 tools both integrate with
Only Deepgram (2)
AssemblyAIVapi
Only AssemblyAI (1)
Deepgram
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