Models / IndexTTS 2.0
Bilibili · Voice
IndexTTS 2.0
Coming soon
Say how long the line has to run and it lands on it. The voice and the acting are set separately. Made by Bilibili. From $0.0022 a second of audio.
index-tts-2
TypeVoice
InputsText, Audio
From$0.0022 / s
UpdatedOct 12, 2026
Pricing
| Setting | MiniAPI | fal | Difference |
|---|---|---|---|
| any | $0.0022 / s | $0.002 | +10% |
Parameters
| Name | Required | Values | Default | Description |
|---|---|---|---|---|
| prompt | Yes | text | What to make, in plain words. | |
| audio_url | Yes | https URL | The sound to use. | |
| emotional_audio_url | No | https URL | The emotional reference audio file to extract the style from. | |
| strength | No | 0 to 1 | 1 | How much to change the input. Higher changes more. |
| should_use_prompt_for_emotion | No | true, false | false | Whether to use the `prompt` to calculate emotional strengths, if enabled it will overwrite the `emotional_strengths` values. If `emotion_prompt` is provided, it will be used to instead of `prompt` to extract the emotional style. |
| emotion_prompt | No | text | The emotional prompt to influence the emotional style. Must be used together with should_use_prompt_for_emotion. | |
| emotional_strengths | No | The strengths of individual emotions for fine-grained control. | ||
| emotional_strengths.afraid | No | 0 to 1 | Strength of fear emotion | |
| emotional_strengths.angry | No | 0 to 1 | Strength of anger emotion | |
| emotional_strengths.calm | No | 0 to 1 | Strength of calm emotion | |
| emotional_strengths.disgusted | No | 0 to 1 | Strength of disgust emotion | |
| emotional_strengths.happy | No | 0 to 1 | Strength of happiness emotion | |
| emotional_strengths.melancholic | No | 0 to 1 | Strength of melancholic emotion | |
| emotional_strengths.sad | No | 0 to 1 | Strength of sadness emotion | |
| emotional_strengths.surprised | No | 0 to 1 | Strength of surprise emotion |
FAQ
How much does IndexTTS 2.0 cost?
From $0.0022 per second of audio at any. Pricing lists every setting.
What inputs does IndexTTS 2.0 take?
Text, Audio.
Am I charged if a IndexTTS 2.0 job fails?
No. You are not charged for it.
