Suno

Suno music generation models available through Infery. Generate full songs from text prompts with optional custom lyrics, style control and vocal settings.

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Music models

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Operations

• generate — Create a new song from a text prompt. Use custom_mode: true for full control over style, title and lyrics.
• extend — Continue an existing track from a specific timestamp (continue_at). Requires audio_id.
• upload_cover — Create a cover version from an uploaded audio file (upload_url).
• upload_extend — Extend an uploaded audio file.
• add_vocals — Add vocals to an instrumental track (V4.5 Plus+).
• add_instrumental — Add instrumental backing to a vocal track (V4.5 Plus+).
• vocal_removal — Separate vocals from a track. Use separation_type: "split_stem" for up to 12 stems.
• sounds — Generate short sound effects (V5+). Supports sound_loop, sound_tempo, sound_key.
• lyrics — Generate lyrics from a prompt (low cost).

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Custom mode parameters

When custom_mode: true:

• title — Track title (max 100 chars)
• style — Genre/style description (max 1000 chars)
• lyrics — Full lyrics text
• instrumental — Set true for instrumental only
• negative_tags — Styles to exclude
• vocal_gender — "m" or "f"
• persona_id / persona_model — Apply a saved voice persona

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Tuning parameters

• style_weight (0–1) — How closely to follow the style prompt
• audio_weight (0–1) — How much input audio influences the output
• weirdness_constraint (0–1) — Creativity/novelty level