How Far Does "Free" Go with AI Voice Cloning? A Comparison of 3 Services by Terms of Use
機械翻訳 / Machine-translated
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The number of services that let you create voices with AI is growing, and some let you get started at no cost — even if it's just reading a short sentence. That said, being able to "try" a service for free is different from being able to "save" the audio you create or "use it in a video."
This time, we compare three services — FreeVoiceClone, ElevenLabs, and Fish Audio — not by audio quality rankings, but by terms of use. Our intended audience is individual creators who want to produce short narration or audio for videos. Since we did not actually generate and audition audio from each service under identical conditions, we make no judgments about audio quality or generation speed.
Verified on: October 9, 2026. Plans and rights conditions are subject to change. Before producing or publishing content, please check the latest terms and pricing for each service.
When reading the descriptions of free plans for AI voice services, distinguishing between the following four points will help you avoid confusion.
Seeing "free plan available" alone doesn't tell you whether all four are permitted. With voice cloning in particular, in addition to the plan's rights conditions, the consent of the person whose voice is being used is also required.
| Service | Main things you can do for free | Restrictions to check first |
|---|---|---|
| FreeVoiceClone | Create public voices, generate audio, and try previews for free. The platform advertises support for 500+ languages | The free tier is limited to 150 characters per generation. Previews include a beep sound. A download pass is required to save clean audio. Free-tier downloads are intended for personal use |
| ElevenLabs | The free tier includes text-to-speech and Voice Design, with 10,000 credits per month advertised | Instant Voice Cloning requires Starter or above. A commercial license is also included only in Starter and higher plans |
| Fish Audio | The free tier lets you try audio generation and voice cloning. Advertised features include 8,000 credits per month and 3 public voice slots | Each generation is limited to 500 characters. There is a discrepancy between the pricing page and the FAQ regarding commercial use, so if you intend to publish content, prior confirmation is necessary |
This table is a summary of official information and is not a quality comparison based on actual measurements. Also, "characters in the free tier," "credits," and "download passes" are not the same unit, so it is not possible to determine superiority by comparing numbers directly.
On FreeVoiceClone's Community Voices, you can browse publicly shared voices. According to the official pricing information, creating a clone and previewing audio are free, while saving a clean audio file requires a download pass. Voices created under the free tier are shared publicly with the community; private voices are a paid plan feature, and commercial licenses are described as being included with Plus and Pro plan downloads.
While this setup works well for the "I want to listen to a few options before deciding" stage, if you need a voice you want to keep private or finished audio for commercial use, it's best to confirm the conditions upfront. The large number of supported languages is also not a guarantee that each individual voice can speak every language naturally.
ElevenLabs' free tier includes text-to-speech and Voice Design. On the other hand, Instant Voice Cloning — which uses samples of an existing voice — requires a Starter plan or above. In other words, creating AI audio for free and cloning a voice you've prepared yourself are not the same thing.
The plan you need will differ depending on whether you want to try out text-to-speech first, or reproduce a specific voice. If what you're creating is an advertisement or a monetized video, the commercial license is also something you need to check, not just the audio features.
Fish Audio provides specific information about its free tier's monthly credits, per-generation character limit, and public voice slots. This makes it easy to estimate how much you can try before committing.
However, at the time of checking, the pricing page listed "Commercial use" under the free plan, while the FAQ on the same page stated that free-plan outputs are for personal and non-commercial use. We cannot interpret this discrepancy on our own and conclude that commercial use is available for free. If you intend to use the audio for monetized content or client projects, you will need to verify with the latest terms of service and official support.
The number of supported languages indicates how wide a range of languages may be available. However, the actual results will vary depending on the model, the voice selected, and the text being read. Japanese proper nouns, English product names, dates, and numbers are things you'll especially want to verify with a short sample.
For example, having the following two sentences read aloud under the same conditions lets you check both everyday narration and slightly more challenging text-to-speech.
今日は動画のナレーションを作ります。
バージョン2.5は10月24日に公開予定です。CSVとAPIの読み方も確認します。
This is a sample text for comparison purposes and is not the result of actually testing all three services. When comparing, using the same text, language, and evaluation criteria — and taking notes on intelligibility, pronunciation of proper nouns, pacing, and unnatural intonation — will give you more to work with than watching promotional demos alone.
If you just want to try out a few short audio clips, what matters most is the range of free generation and preview. If you need audio files to embed in a video, download conditions come next. If you plan to distribute content on an ongoing basis, monthly limits and how revisions and regenerations are handled can't be ignored either.
If you're using someone else's voice, obtaining their consent and confirming the scope of use comes before asking whether it's technically possible to clone the voice. The sharing conditions for public voices and the conditions for managing private audio data are also safer to confirm separately.
Rather than a simple "ranking of recommendations," I think you'll run into fewer problems later if you first determine which stage — preview, save, publish, or commercial use — you actually need, and then look at the plans.
This article is a summary of official pricing and help information as of October 9, 2026, and is not a blind test of audio quality using identical source material. We make no unsupported rankings regarding audio quality, stability, generation time, or naturalness in Japanese.
Disclosure regarding authorship: This article was written from a position involved in content production related to FreeVoiceClone. For this reason, the information presented about each company, including that service, has been organized according to the same standards as much as possible. This is not the result of actually generating and comparing audio under identical conditions.
Regarding AI use: AI was used in drafting this article. Please re-verify each service's pricing and rights conditions before publishing.