Mirelo SFX 2.0
mirelo-ai/sfx2.0Create synchronized soundtracks and return video variations with audio.
Pricing
Includes our margin. Charged per request from your balance.
- Per second
- $0.012
- Standard per second
- $0.018
Promotion
- Per second
- $0.012
- Promotion, calendar timezone
- UTC
- Max duration
- 600 s
- Min duration
- 1 s
- Duration step
- 0.1 s
- Maximum multiplier
- ×4
- Minimum multiplier
- ×1
- Default duration
- 10 s
- Multiplier default
- ×2
- Price multiplied by
- num_samples
Billing: Output sound seconds per sample. Video sound duration clamps to source length verified from media bytes. Fractional seconds are preserved.
Promotion, ends at: 2026-12-14T00:00:00.000Z
Promotion, starts at: 2026-10-14T00:00:00.000Z
Details
- Provider
- Mirelo
- Added
- Oct 14, 2026
Options
Parameters this model accepts.
| Parameter | Values | Default |
|---|---|---|
seed | -1 to 9007199254740988 Default | -1 |
durationText defaults to 30s; video defaults to 10s and clamps to source length. Video requires at least 1s. | 1 to 600 Default | 10 |
num_samplesEach sample is billed separately. | 1 to 4 Default | 2 |
negative_promptSounds to exclude (up to 1000 characters). | Text | — |
preserve_speechKeep speech from the source video while generating the surrounding soundtrack. | On or off Default | on |