Lacuna

Input—per 1M tokens

Output—per 1M tokens

Context—tokens

WeightsClosed

About

Lacuna is ranked #2 of 122 in AI music generators on Inferse, made by Lacuna (London, United Kingdom). It runs on API, Browser extension, iOS, Web. There is a free plan. Paid plans start at $0.79/mo.

Compared on AI music generators

Free plan: Yeslacuna.fm
Paid from: $9.50/molacuna.fm
Prompt lyric generation: Yeslacuna.fm
Lyric rewriting: Yeslacuna.fm
Song structure controls: Yeslacuna.fm
Supported languages: 9 languageslacuna.fm
Export formats: MP3lacuna.fm

Facts

Free plan: Yeslacuna.fm · 21 Sept 2026
Paid from: 9.5lacuna.fm · 21 Sept 2026
What it does: Lacuna’s AI lyrics generator turns a one-line idea into song lyrics and connects them to a music generator that can produce a track with AI vocals.lacuna.fm · 29 Sept 2026
Editor: The lyrics editor supports line-by-line rewrites, syllable counts, automatic rhyme highlighting, and rhyme suggestions ranked by meaning.lacuna.fm · 29 Sept 2026
Languages: The lyrics workspace supports nine languages, with phonetic rhyme support for English, Spanish, Chinese, Japanese, and Korean.lacuna.fm · 29 Sept 2026
Version history: The editor saves snapshots automatically as the AI edits and lets users restore an earlier take.lacuna.fm · 29 Sept 2026
Intended users: The maker describes the lyrics workspace for songwriters, rappers and topliners, producers, and first-time writers.lacuna.fm · 29 Sept 2026
Commercial use: The lyrics page says generated and edited lyrics are the user’s to record, release, and use commercially.lacuna.fm · 29 Sept 2026
Credit limits: Lyrics AI assistant use costs five credits per use, and pricing says unused credits do not roll over between cycles.lacuna.fm · 29 Sept 2026
Downloads: Pricing says audio downloads require a subscription; credit packs alone do not include them.lacuna.fm · 29 Sept 2026
Integrations: Lacuna says lyrics can be sent to its music generator, while its developer API supports REST, a TypeScript SDK, CLI tools, and an MCP server for compatible agents including Cursor, Claude Code, and Codex.lacuna.fm · 29 Sept 2026
API restriction: The maker says API access requires Pro or Ultra and uses credit-based billing.lacuna.fm · 29 Sept 2026
Security and data: The privacy policy says uploaded materials, prompts, generated content, and task records may be retained while available in the service, and says it cannot guarantee absolute security.lacuna.fm · 29 Sept 2026
Account deletion: The privacy policy says deleting an account ends access and disables public sharing but does not automatically erase all stored account information or content.lacuna.fm · 29 Sept 2026
Support: The maker lists support by email, feedback form, and Discord.lacuna.fm · 29 Sept 2026
Company: Lacuna says it is operated by JOYLINK LTD and lists its location as London, United Kingdom.lacuna.fm · 29 Sept 2026