Suno: The Complete AI Audio Platform on Unifically
Suno is now a full AI audio platform — music, song extension, covers, stem separation, AI vocals, lyrics, sound effects, custom voices, and even private model training. Access all 11 Suno endpoints through Unifically with pay-per-generation pricing.
Suno started as a text-to-song tool. It is now a complete AI audio platform — music generation is just the headline feature. The latest Suno covers song extension, AI covers, stem separation, sound effects, custom singer voices, and even private model training. On Unifically you can call all 11 Suno endpoints through one unified REST API with pay-per-generation pricing.
What is Suno today?
Suno is an AI audio platform built on a family of "Chirp" models. You can describe a song in plain language, hand Suno an instrumental and ask for a vocal pass, point it at one of your tracks and get clean stems back, generate sound effects with a target BPM, or train a custom voice that you reuse across all your future generations.
The shipping Chirp lineup spans Chirp v3.5, v4, v4.5 Auk, v4.5 plus Bluejay, v5.0 Crow, and the newest Fenix v5.5 — selected via the mv parameter on every generation request. Newer variants accept longer prompts and richer style tags than v3.5 and v4.
On Unifically every Suno tool runs on the same async pattern: submit a JSON request, then poll the shared Suno feed endpoint until the job returns audio (or text, in the case of Lyrics).
The 11 Suno endpoints on Unifically
Each one is its own playground tab and its own pricing line item. Here is what each tool actually does and what it costs.
1. Music — full song generation
The flagship endpoint. Generate complete tracks with vocals, lyrics, and instrumentation.
- Simple mode: one description prompt (
gpt_description_prompt) and Suno handles the rest. - Custom mode: full lyric or idea prompt plus style tags and negative tags for fine creative control.
- Optional song title and
make_instrumentalflag for backing-only output. - Pick any Chirp
mvfrom v3.5 through Fenix v5.5. - Price: $0.06 per generation.
2. Extend — continue a song from any timestamp
Take an existing Suno clip (by clip_id) or any uploaded audio (by audio_url) and continue it from a chosen continue_at time in seconds.
- Same Simple / Custom split as Music.
- Works with both Suno-generated and externally uploaded audio.
- Price: $0.06 per generation.
3. Cover — AI cover versions in different styles
Reharmonise or restyle a track while keeping the melodic anchor. Provide a Suno clip_id or upload via audio_url, then describe the new genre or arrangement.
- Optional
make_instrumentalfor instrumental covers. - Chirp variants from v4 through Fenix v5.5.
- Price: $0.06 per generation.
4. Add Vocals — sing over your instrumental
Upload a backing track, point Add Vocals at its clip_id, and Suno generates a top line and lyric over it.
- Optional
start_s/end_swindow in seconds to scope where vocals apply. - Plain-language vocal description via
gpt_description_prompt, or a precise lyric viaprompt. - Price: $0.06 per generation.
5. Add Instrumental — backing track for a vocal
The mirror of Add Vocals. Upload a vocal, describe the desired instrumentation, and Suno generates an arrangement underneath it.
- Same
start_s/end_ssegment control. - Simple or Custom prompting.
- Price: $0.06 per generation.
6. Extract Stems — vocals, drums, bass, guitar, keys
Pass a clip_id and get individual instrument stems back. Two modes:
- Extract Stems: standard split of the most relevant elements — $0.05 per generation.
- Extract All Stems: full multi-track split (vocals, backing vocals, drums, bass, guitar, keys, percussion, strings, synth, fx, brass, woodwinds — depending on the source mix) — $0.20 per generation.
7. Lyrics — text-only lyric generation
The cheapest Suno endpoint. POST a prompt and choose mv (Remi v1 or Default). The response always returns two lyric variations (a and b) so you can pick or merge.
- Pairs naturally with Music Custom mode — paste a chosen lyric and render it as audio.
- Price: $0.012 per generation.
8. WAV Export — lossless audio for your DAW
Take any Suno clip_id and export it as a WAV file suitable for mastering, archival, NLE post, and sample work.
- Single-purpose call — only
clip_idrequired. - Price: $0.05 per generation.
9. Sound Effects — one-shots and tempo-locked loops
A new dedicated endpoint for SFX, not music. Describe the sound (e.g. "dog barking in street"), pick type: one-shot or loop, optionally lock to a bpm (1–300) and a musical key, and Suno returns the asset.
- All Chirp variants from v3.5 through Fenix v5.5 supported.
- Optional negative tags to exclude unwanted styles.
- Price: just $0.01 per generation — the platform's most affordable audio call.
10. Voice Creation — train your own AI singer
Upload a voice recording (audio_url, up to 100 MB) plus a verification clip (verification_audio_url) and matching phrase_id from the verification-phrase endpoint, and Suno trains a reusable voice profile.
- Set a singer skill level: Beginner, Intermediate, Advanced, or Professional.
- Tag genre styles to bias the voice toward specific musical contexts.
- Optional
vocal_start_s/vocal_end_sto point Suno at the cleanest section of your source. - The trained voice ID can be reused across other Suno generations.
- Price: $0.06 per generation.
11. Custom Model — fine-tune a private Suno checkpoint
For artists, brands, and studios that want a model that sounds like them. Upload between 6 and 24 reference tracks (each up to 100 MB), give the checkpoint a name, and Suno trains a custom model in an async job that polls every 30 seconds.
- Returns a model identifier you can pass into future Music or Cover requests.
- No prompt knobs — training is entirely data-driven.
- Price: $0.64 per training run (one-time, then reuse the model indefinitely).
What's new since the last update
The previous version of this post covered Music, Extend, Cover, Vocals, Instrumental, Stems, and Lyrics. Since then four new endpoints have shipped on Unifically:
- WAV Export for lossless delivery into professional mastering and post workflows.
- Sound Effects with BPM and key control — purpose-built for game audio, foley, trailer hits, app chimes, and tempo-aligned loops.
- Voice Creation to train and reuse a custom singer profile across generations.
- Custom Model training to fine-tune a private Suno checkpoint on 6–24 of your own tracks.
The Chirp model family also expanded. The current lineup (mv parameter) is Chirp v3.5 → v4 → v4.5 Auk → v4.5 plus Bluejay → v5.0 Crow → Fenix v5.5 — Fenix v5.5 is the newest and accepts the longest prompts.
Suno pricing on Unifically at a glance
All prices are per generation, transparent, and pay-as-you-go — no subscriptions.
| Endpoint | Price |
|---|---|
| Sound Effects | $0.01 |
| Lyrics | $0.012 |
| Extract Stems | $0.05 |
| WAV Export | $0.05 |
| Music | $0.06 |
| Extend | $0.06 |
| Cover | $0.06 |
| Add Vocals | $0.06 |
| Add Instrumental | $0.06 |
| Voice Creation | $0.06 |
| Extract All Stems | $0.20 |
| Custom Model (training) | $0.64 |
Best use cases now that the platform is wider
The original post focused on songwriting, content creation, and film scoring. With Sound Effects, Voice Creation, and Custom Model in the mix, several new workflows open up:
Game audio pipelines
Generate one-shots for hits, pickups, and UI cues with Sound Effects. Use tempo-locked loops for combat or exploration beds. Train a Custom Model on your soundtrack to keep new music in the same sonic world.
Branded artist personas
Train a Voice Creation profile once, then reuse the voice ID across Music, Cover, and Add Vocals. Every track ships with a consistent vocal identity — useful for content series, virtual artists, and brand campaigns.
Studio-grade post production
Generate or extend a track, run Stems if you need to swap parts, then WAV Export for lossless handoff to mixing or mastering engineers. The whole loop stays in one API.
Lyrics-first content workflows
Use Lyrics to brainstorm two variations cheaply, lock the best lines, then drop them into Music Custom mode. You only pay $0.012 per lyric pass — far cheaper than rendering full audio for each iteration.
Private model for a studio or label
Custom Model lets a studio train a checkpoint on its back catalog or brand identity tracks for $0.64 once, then call it on demand from inside their own product. The trained model becomes a private generator that mirrors the studio's signature.
Why call Suno through Unifically?
- One API, all 11 endpoints, no vendor sprawl.
- Async polling on a single feed endpoint — same shape across every Suno tool.
- Pay per generation, no monthly minimums, with the same price you see in the pricing page.
- 40+ other models from Sora 2, Kling 2.6, Veo 3.1, Nano Banana, and more on the same account.
- Direct Chirp Fenix v5.5 access so you are not stuck on older variants.
Try it now — every endpoint has a live playground:
- Music — full song generation with vocals, lyrics, and instruments
- Extend — continue a song from any timestamp
- Cover — restyle a track in a new genre or arrangement
- Add Vocals — sing over an instrumental you uploaded
- Add Instrumental — backing tracks for a vocal
- Extract Stems — split a song into individual instrument stems
- Lyrics — text-only lyric generation, two variants per call
- WAV Export — lossless WAV for any Suno clip
- Sound Effects — one-shots and tempo-locked loops
- Voice — train a reusable custom singer voice
- Custom Model — fine-tune a private Suno checkpoint
Looking for AI video too? Check out Sora 2, Kling 2.6, Veo 3.1, or our Sora vs Kling vs Veo comparison.
Build with the full Suno platform on Unifically — pay only for what you generate.
