OpenAI.fm
Interactive developer demo for testing OpenAI text-to-speech models.
What is OpenAI.fm?
OpenAI.fm is an interactive web-based demo created for developers to test and experiment with the advanced text-to-speech (TTS) capabilities of the OpenAI API. By visiting www.openai.fm, users can explore a massive range of voice profiles—such as Alloy, Ash, Ballad, Coral, Echo, Fable, Onyx, Nova, Sage, Shimmer, Verse, and Vibe—paired with specialized personas like Robot, Calm, Auctioneer, Professional, and Sports Coach. This tool serves as a practical testing ground for open ai fm technology, allowing developers to see how specific scripts sound under different visual and emotional inflections before integrating openai tts models into their own applications.
Category
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OpenAI.fm Pricing Plans
Compare OpenAI.fm free options, OpenAI.fm paid pricing plans, and usage notes before you choose the best way to use this AI tool in 2026.
Free
Pricing updated:Jun 11, 2026
OpenAI.fm AI Features
OpenAI.fm Pros and Cons
Pros
- Intuitive, zero-setup interface for evaluating OpenAI TTS capabilities
- Offers a great variety of emotional tones and structural voice profiles
- Allows direct downloading of the generated audio samples for offline testing
Limitations
- Limited to the specific demo scripts and predefined custom personas provided on the site
- Does not feature a completely open text input box in this specific interface layout