Gemini Text-to-Speech vs Voice.ai
Gemini Text-to-Speech
ai.google.dev
Voice.ai
voice.aiSide by side
| Figure | Gemini Text-to-Speech | Voice.ai |
|---|---|---|
| Price from | $0.25/mo | $5/mo |
| Free plan | Yes | Yes |
| Free trial | — | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | — | Yes |
| macOS | — | Yes |
| iOS | — | Yes |
| Android | — | Yes |
| API | Yes | Yes |
| Self-hosted | — | Yes |
| Plans published | 14 | 8 |
| Spec score · Text-to-speech tools | 8.8 (#23) | 9.2 (#10) |
| Spec score · Text-to-Speech Software | 8.6 (#39) | 8.7 (#31) |
| Free plan | Yes | Yes |
| Languages | The models automatically detect input language; Flash TTS supports over 130 languages and Flash-Lite supports over 100. | The PC page says voices repeat speech back in the speaker’s language. |
| Voice library | Developers can select prebuilt voices, browse an Extended Voice Library, or use designed and replicated voice IDs. | The PC app includes a library of user-generated voices, and its page also describes voice cloning. |
| What it does | The Gemini API converts text into single-speaker or multi-speaker audio. | Voice.ai provides AI voice changing, text-to-speech, voice cloning, audio tools and voice-agent services. |
Plans
Gemini Text-to-Speech
- Gemini 3.1 Flash TTS Preview Standard$1 a month
- Gemini 3.1 Flash TTS Preview Batch$0.50 a month
- Gemini 2.5 Flash Preview TTS Standard$0.50 a month
- Gemini 2.5 Flash Preview TTS Batch$0.25 a month
- Gemini 2.5 Pro Preview TTS Standard$1 a month
- Gemini 2.5 Pro Preview TTS Batch$0.50 a month
- Gemini 3.8 Flash-Lite TTS — BatchFree
- Gemini 3.8 Flash-Lite TTS — FlexFree
- Gemini 3.8 Flash-Lite TTS — PriorityFree
- Gemini 3.8 Flash-Lite TTS — StandardFree
Voice.ai
- FreeFree
- Starter$5 a month
- Launch$12 a month
- Core$99 a month
- Scale$330 a month
- Business$880 a month
- FreeFree
- EnterprisePriced on request
In their own words
Gemini Text-to-Speech
Gemini Text-to-Speech has no write-up on Specifiction yet; its figures are above.
Voice.ai
Voice.ai provides real-time AI voice transformation for PC, alongside text-to-speech and online audio tools. Its PC app describes its voice engine as deep-learning based and lets users hear a changed voice in real time. A library of user-generated voices and voice cloning are also listed. Voice.ai says transformed speech is returned in the speaker’s language. On Windows, it can work with microphone-enabled apps such as Discord, Zoom, Google Meet, WhatsApp, Skype and Twitch, plus games including Minecraft and Fortnite. The platform listing includes Windows, Mac, iOS and Android, while its API offering covers voice agents, cloning and text-to-speech. The free plan includes 5k credits/month and a five-minute audio conversion limit. Starter costs $5 a month and includes 15k credits/month and five instant voice clones. Higher plans add credits, clones, concurrent generation and agent-call capacity, with priority support on Core and technical success manager support on Business.