# IndexTTS 2.0

Say how long the line has to run and it lands on it. The voice and the acting are set separately.

Model id: `index-tts-2`
Type: Voice
Made by: Bilibili
Inputs: Text, Audio
Updated: Oct 12, 2026

Coming soon.

## Pricing

| Setting | MiniAPI | fal | Difference |
| --- | ---: | ---: | ---: |
| any | $0.0022 / s | $0.002 | +10% |

You are not charged for a job that fails.

## 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 |

Page: https://api.minicut.ai/models/index-tts-2
API reference: https://api.minicut.ai/docs/api