Save time with Captions’ OpenAI text-to-speech tool. Simply input your script and choose from an extensive library of voice options. Captions will automatically generate a flawless, natural-sounding narration for any video project.
Save time with Captions’ OpenAI text-to-speech tool. Simply input your script and choose from an extensive library of voice options. Captions will automatically generate a flawless, natural-sounding narration for any video project.
With Captions’ AI text-to-speech tool, you’ll get perfect narration every time — with no need for audio recording equipment, complicated processing software, or professional voiceover skills. All you need is a script, and Captions’ OpenAI integration handles the rest.
Easily convert text into high-quality speech
Captions’ text-to-speech tool, powered by OpenAI, turns your script into lifelike voiceovers in seconds. Just upload your text and choose from a range of AI voices with different accents, tones, and speaking styles.
OpenAI’s TTS models capture real human emotion and inflection, delivering narration that sounds natural — not robotic. It’s the fastest way to create professional voiceovers without a mic or studio.
Reach a global audience with multilingual voice options
Captions makes it easy to localize your videos with multilingual voice options powered by OpenAI. Just select a language and voice, and your script is automatically translated and narrated with natural-sounding AI.
Generate unlimited versions of the same video in different languages — no voice actors or manual translation required. Whether you're creating product demos or tutorials for international markets, Captions helps your message connect across languages.
Transform your ideas into lifelike speech for any project
Captions uses OpenAI’s text-to-speech technology to turn any script into realistic audio — ideal for TikTok ads, Instagram Reels, podcasts, and more. Easily generate multiple voiceovers for the same project to create back-and-forth dialogue, perfect for skits or storytelling.
With fast script updates and flexible voice options, Captions makes it easy to experiment, test variations, and bring any creative idea to life through voice.
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Enter your text
Write a script for your project, or let Captions’ AI create one for you. Then, enter the text into the AI voice generator.
Choose a voice
Select OpenAI from the list of available AI models, then choose your voice actor and preferred language if you'd like your video translated.
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Generate and download
When you click “Generate,” Captions will create an audio track of your script. Add this narration to your video’s timeline, and download the footage when it’s ready.
Create OpenAI text-to-speech with Captions
Bring your scripts to life
With Captions, you can turn scripts into narrated content and even transform them into full videos. Our script-to-video generator turns your writing into high-quality videos, complete with talking AI avatars and customizable templates. You don’t need to worry about filming or editing — all you need is a script that tells your story. Then, after just a few clicks to set your preferred visual style, Captions does all the hard production work for you in an instant.
Create accessible video content in seconds
Once you've generated voiceovers with TTS technology, enhance your content's accessibility by adding subtitles to your posts. Simply upload your footage, select the language you're speaking, and watch as the tool automatically transcribes your speech into accurate captions. After creating your text, personalize it with our intuitive editing tools. Adjust fonts, highlight key phrases, and add animations. Reach viewers who are hard of hearing, watching content with the sound off, or learning a new language — all from a single dashboard.
Choose a style, and AI will do the rest
Captions offers a suite of time-saving, powerful AI tools for creators, including our video editor. It’s a simple, quick platform that automatically edits and produces polished videos from raw footage based on just a few preference settings. Just upload a video clip, pick a style, and let Captions’ AI instantly deliver a finished, professional video — complete with transitions and effects. Once your footage looks perfect, pair it with OpenAI’s narrators to create a social-media-ready clip.
Frequently asked questions
What’s OpenAI text-to-speech?
OpenAI text-to-speech tool is an AI model for generating realistic narration from written text. Voices are lifelike and natural sounding, but they’re entirely generated by AI.
OpenAI is one of several AI text-to-speech generators available in Captions. When generating voiceovers on the platform, you can use OpenAI or select other models, such as ElevenLabs and Cartesia.
Can I customize the voice?
You can customize the AI voices available on Captions in a couple of ways:
- Choose your ideal narrator — Pick your desired voice actor from the extensive library.
- Change the sound — Adjust the narration’s volume, duration, and position on the video timeline.
Adjust the accent — Select a voice actor with an American or British accent to suit your needs.
Is OpenAI’s TTS suitable for large-scale projects?
OpenAI’s text-to-speech integration can generate approximately five minutes of audio. For projects that are longer than this, simply create multiple audio clips and combine them on the video’s timeline.
Can I use OpenAI’s TTS for different types of content, like podcasts or audiobooks?
Yes, OpenAI generates high-quality audio that’s suitable for podcasts or audiobooks. Because of character limits, you’d need to create multiple audio clips separately and combine them.
Captions pairs these narrations with video footage, making the OpenAI TTS integration perfect for Spotify video podcasts and audiobook readings for YouTube
How accurate is the speech generated?
OpenAI follows your script precisely and excels at delivering accurate, realistic voiceovers. In the event that the pronunciation of certain words varies from your preferences, you can regenerate the content or adjust your script to change the output.
an OpenAI’s TTS be used for voiceover?
Yes — TTS generators are the perfect tool for video voiceovers and TikTok duets. With Captions’ OpenAI integration, voiceovers are available instantly to add to your video timeline — no more worrying about setting up audio equipment or manually recording and processing audio files.
What languages does OpenAI text-to-speech integration with Captions support?
Captions’ OpenAI voice integration supports a long list of languages, including the following:
- Arabic, Azerbaijani, Czech, Danish, German, Greek, Spanish, English, Finnish, Filipino, French, Hindi, Hungarian, Indonesian, Italian, Hebrew, Japanese, Kazakh, Korean, Lithuanian, Malay, Nepalese, Dutch, Norwegian, Polish, Portuguese, Romanian, Russian, Slovak, Slovenian, Serbian, Swedish, ta-IN, Thai, Turkish, Ukrainian, Urdu, Vietnamese, Chinese (Simplified).
All languages are output in high-quality voices, perfect for reaching a global audience.
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