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AudioPen vs Deepgram: Features, Pricing and User Reviews 2026

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AudioPen

Turn Rambling Speech Into Clean Text

AudioPen screenshot
VS
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Deepgram

AI Voice Platform for Speech Recognition APIs

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What are AudioPen and Deepgram?

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AudioPen

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.

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Deepgram

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

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AudioPen
  • 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

Deepgram logo
Deepgram
  • 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

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AudioPen

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 logo
Deepgram

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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AudioPen
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Deepgram

Reviews: AudioPen vs Deepgram

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