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Audify AI

Free

User-friendly platform for voice synthesis with customizable options and instructions, making it versatile for both developers and creatives.

FreeFree tier
Inputs: textOutputs: audio
Starting Price
$2/mo
Type
Open Source
Visit Website GitHub (40 stars)

About Audify AI

Audify AI is an AI-powered text-to-speech converter that transforms written text into natural-sounding speech. Users can choose from multiple voices, adjust playback speed, and download audio in various formats. The platform offers flexible pricing: free usage with an OpenAI API key, or three free conversions (worth $1.50) for users without a key. Additional credits can be purchased starting at $2 USD, with a transparent rate of $0.009 per 1,000 characters. Upcoming features include automatic subtitle generation, subtitled video creation, and slide presentation generation, all synced with the AI-generated audio.

Key Features

Text-to-Speech conversion using advanced AI
Multiple voice options
Adjustable speech speed
Download in various audio formats
Automatic subtitle file generation (.srt, .vtt) – upcoming
Automatic subtitled video generation – upcoming
Automatic slide presentation generation – upcoming
Free usage with OpenAI API key
Transparent per-character pricing ($0.009 per 1,000 characters)
No subscriptions, pay only for what you use

Pros & Cons

Pros
  • Free tier available (with OpenAI key or 3 free conversions)
  • Transparent pricing with no hidden fees
  • No subscription required; pay-as-you-go
  • Multiple voice options and speed control
  • Easy payment via Stripe (credit card or digital wallet)
Cons
  • Free conversions limited to 3 without an OpenAI API key
  • Pricing per character may be costly for very large volumes
  • Upcoming features (subtitles, videos, slides) are not yet available

Best For

Creating voiceovers for videosGenerating audio for e-learning coursesProducing accessible content with subtitlesAutomating slide presentations with narrationTesting text-to-speech with free conversions

FAQ

How does pricing work?
You can use Audify AI for free if you have an OpenAI key. Without a key, you get 3 free conversions (worth $1.50). After that, you add balance starting at $2 USD. The cost is $0.009 per 1,000 characters, rounded to the nearest cent. You see the cost before submitting.
What upcoming features are planned?
Audify AI plans to add automatic subtitle file generation (.srt, .vtt), automatic subtitled video generation, and automatic slide presentation generation—all synced with your AI-generated audio.