AudioPen vs Deepgram: Features, Pricing and User Reviews 2026
Deepgram
AI Voice Platform for Speech Recognition APIs

Deepgram
AI Voice Platform for Speech Recognition APIs

What are AudioPen and Deepgram?
AudioPen is an AI voice-to-text tool that does more than simple dictation. You speak naturally, and it turns your words into clear, well organized writing.
It removes filler words, fixes grammar, and reshapes rambling thoughts into notes, emails, or drafts that are ready to use right away.
People who think out loud, students, writers, and those with learning differences use it daily to capture ideas faster than typing allows.
With over 200,000 users and coverage from TechCrunch and Product Hunt, it has become a trusted way to turn speech into usable text.
Deepgram is a comprehensive voice AI platform that provides three main services through easy-to-use APIs. First, it offers Speech-to-Text that converts spoken words into written text with over 90% accuracy, even in noisy environments or with heavy accents. Second, it provides Text-to-Speech that creates natural-sounding voices for apps and voice assistants. Third, it offers Voice Agent APIs that let developers build complete conversational AI systems.
Founded in 2015 and based in San Francisco, Deepgram has become the go-to choice for companies like Spotify, NASA, and Citibank. The platform uses deep learning models specifically trained for real-world audio, not just clean studio recordings. This means it works well for call centers, medical transcription, podcast processing, and live streaming. With response times under 300 milliseconds, it enables real-time conversations that feel natural and immediate.
Features of AudioPen and Deepgram
AI rewrites messy speech into clean text
Preset and custom writing styles
Train the tool on your own writing voice
Speak in one language, write in another
Unlimited notes library with folders and tags
Combine notes into SuperSummaries
Upload existing audio files
iOS, Android, macOS, and Chrome extension support
Apple Watch note capture
Zapier and webhook integrations
Real-time speech-to-text with 90%+ accuracy
Natural text-to-speech with Aura voices
Voice Agent API for conversational AI
30+ language support with accent handling
Speaker identification and separation
Custom model training available
Audio intelligence and sentiment analysis
On-premises deployment options
WebSocket and REST APIs
SDKs for multiple programming languages
Use Cases of AudioPen and Deepgram
Pricing of AudioPen and Deepgram
AudioPen Prime uses one-time payments instead of monthly subscriptions, so you pay once and keep access for a set period.
3 Month Pass ($33): Access for three months, about $11 per month.
Yearly Pass ($99): Access for one year, about $8.25 per month.
2 Year Pass ($159): Access for two years, about $6.63 per month.
Every pass includes the same full feature set: unlimited AI rewrites, custom writing styles, audio file uploads, recordings up to 15 minutes, SuperSummaries, folders and tags, and both Zapier and webhook integrations.
None of the passes renew automatically, so you decide whether to renew once your access period ends, and notes you saved during that time stay yours to keep.
Deepgram uses a flexible credit-based pricing system that scales with your usage. New users receive $200 in free credits to explore all features without requiring a credit card. These credits never expire and cover speech-to-text, text-to-speech, and voice agent usage.
The main pricing tiers include:
Pay-As-You-Go - Use your free credits, then pay only for what you use with no minimums
Growth Plan ($4,000+/year) - Pre-paid annual credits with volume discounts and the same concurrency limits
Enterprise Plan (Custom) - Tailored pricing with the best discounts, custom models, priority support, and highest concurrency
Deepgram bills by the second for audio processing, so you pay exactly for what you use. The Growth plan offers 10% overage protection, and Enterprise customers get access to on-premises deployment, custom model training, and dedicated support teams.
FAQs: AudioPen vs Deepgram
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Compare Deepgram With Other Tools
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Wispr Flow
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Letterly
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Willow Voice
Smarter AI Voice Dictation Tool
Typeless
AI Voice Keyboard That Writes for You
Superwhisper
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VoiceInk
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Aqua Voice
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Monologue
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