lucataco/ace-step

A Step Towards Music Generation Foundation Model text2music

Capabilities

Seed

Cost

Community model (estimated from hardware time)

Input Parameters

Name	Type	Description	Default	Constraints
`tags`*	string	Text prompts to guide music generation, e.g., 'epic,cinematic'	`—`	—
`duration`	number	Duration of the generated audio in seconds. -1 means a random duration between 30 and 240 seconds.	`60`	min: 1, max: 240
`granularity_scale`	number	Omega scale for APG guidance, or similar for other CFG types.	`10`	min: -100, max: 100
`guidance_interval`	number	Guidance interval.	`0.5`	min: 0, max: 1
`guidance_interval_decay`	number	Guidance interval decay.	`0`	min: 0, max: 1
`guidance_scale`	number	Overall guidance scale.	`15`	min: 0, max: 30
`guidance_type`	string	Guidance type for CFG.	`"apg"`	apgcfgcfg_star
`lyric_guidance_scale`	number	Guidance scale for lyrics.	`0`	min: 0, max: 10
`lyrics`	string	Lyrics for the music. Use [verse], [chorus], and [bridge] to separate different parts of the lyrics. Use [instrumental] or [inst] to generate instrumental music	`—`	—
`min_guidance_scale`	number	Minimum guidance scale.	`3`	min: 0, max: 100
`number_of_steps`	integer	Number of inference steps.	`60`	min: 10, max: 200
`scheduler`	string	Scheduler type.	`"euler"`	eulerheun
`seed`	integer	Random seed. Set to -1 to randomize.	`-1`	—
`tag_guidance_scale`	number	Guidance scale for tags (text prompt).	`0`	min: 0, max: 10

tagsrequiredstring

Text prompts to guide music generation, e.g., 'epic,cinematic'

durationnumber

Duration of the generated audio in seconds. -1 means a random duration between 30 and 240 seconds.

Default: 60min: 1, max: 240

granularity_scalenumber

Omega scale for APG guidance, or similar for other CFG types.

Default: 10min: -100, max: 100

guidance_intervalnumber

Guidance interval.

Default: 0.5min: 0, max: 1

guidance_interval_decaynumber

Guidance interval decay.

Default: 0min: 0, max: 1

guidance_scalenumber

Overall guidance scale.

Default: 15min: 0, max: 30

guidance_typestring

Guidance type for CFG.

Default: "apg"

apgcfgcfg_star

lyric_guidance_scalenumber

Guidance scale for lyrics.

Default: 0min: 0, max: 10

lyricsstring

Lyrics for the music. Use [verse], [chorus], and [bridge] to separate different parts of the lyrics. Use [instrumental] or [inst] to generate instrumental music

min_guidance_scalenumber

Minimum guidance scale.

Default: 3min: 0, max: 100

number_of_stepsinteger

Number of inference steps.

Default: 60min: 10, max: 200

schedulerstring

Scheduler type.

Default: "euler"

eulerheun

seedinteger

Random seed. Set to -1 to randomize.

Default: -1

tag_guidance_scalenumber

Guidance scale for tags (text prompt).

Default: 0min: 0, max: 10

Version: 280fc4f9ee50Updated: 7/25/2026107.5K runs