| Model approach | One model (Seed Audio 1.0) renders speech, music, SFX, and ambient from a single prompt | Eight separate products (text-to-speech, speech-to-text, voice cloning, voice changer, story studio, audio separation, audio translation, sound effects) |
| Voice cloning | Zero-shot from a short clip you upload (up to 3 clips), referenced inline as @Audio1, no training step | Fast cloning from about 10-15 seconds of clean reference audio (also strong; a noisy clip needs re-recording) |
| Voice from an image | Define a voice from a character image, no recording needed | Not offered |
| Metering | 1 credit = 1 second; one-time credit packs that don't reset monthly | Roughly 600-625 credits per minute; monthly credits reset and unused credits are forfeited |
| Free start | Starter trial credits (about 30 seconds), cloning, preview, and download included | Free plan with 8,000 credits (about 7 minutes) |
| Languages | English and Chinese, with a wide range of accents and characters | Broader multilingual coverage across eight-plus languages |
| Voice library | Preset voices plus automatic voice selection | A 2,000,000-plus community voice library |
| Downloads | MP3, WAV, OGG, and PCM | Download and API export supported |
| 模型思路 | 单一模型(Seed Audio 1.0)用一个提示词生成语音、音乐、音效和环境音 | 八个独立产品(文本转语音、语音转文本、声音克隆、变声器、故事工作室、音频分离、音频翻译、音效) |
| 声音克隆 | 从你上传的一小段音频零样本克隆(最多 3 段),在提示词中以 @Audio1 引用,无需训练步骤 | 用约 10-15 秒的干净参考音频快速克隆(同样出色;嘈杂的片段需要重新录制) |
| 从图片生成声音 | 从角色图片定义声音,无需录音 | 不提供 |
| 计费方式 | 1 个 Credit = 1 秒;一次性 Credit 套餐,不按月清零 | 每分钟约 600-625 个 Credits;月度 Credits 会清零,未用完的 Credits 作废 |
| 免费起步 | 入门试用 Credits(约 30 秒),包含克隆、预览和下载 | 免费方案含 8,000 个 Credits(约 7 分钟) |
| 语言 | 英语和中文,涵盖多种口音和角色 | 更广的多语言覆盖,支持八种以上语言 |
| 声音库 | 预设声音加自动声音匹配 | 拥有 200 万以上的社区声音库 |
| 下载 | MP3、WAV、OGG 和 PCM | 支持下载和 API 导出 |