The breakthrough generative music and song foundation model engineered by JJ Coders (Founder & CEO Johan Jomet). Powered by an open 5-billion-parameter Flow-Matching Diffusion Transformer (DiT), JJ Suna AI creates complete, radio-ready songs, vocals, lyrics, and instrumentals in master 48 kHz true stereo fidelity.
OPEN FOUNDATION ARCHITECTURE & COMMUNITY BENCHMARKS
JJ Suna AI (suna.jjcoders.com) is the breakthrough generative music and song foundation model engineered by JJ Coders under Founder & CEO Johan Jomet. Powered by an open 5-billion-parameter Flow-Matching Diffusion Transformer (DiT) combining an ACE-Step 1.5 XL SFT core, a 1.5B Qwen2.5-Instruct Producer brain, 14 Rank-64 LoRA genre experts, and a 48 kHz Oobleck VAE, JJ Suna AI creates complete, radio-ready songs, vocals, lyrics, and rich instrumentals across every genre in master 48.0 kHz true stereo fidelity (-14.0 LUFS). Open model weights are hosted on Hugging Face (jjcoders/suna-v1).
Unlike legacy AI generators capped at 32 kHz mono-collapsed audio, JJ Suna AI synthesizes pristine uncompressed 48 kHz stereo broadcast masters at -14.0 LUFS ready for Spotify, Apple Music, and films.
Hum, whistle, or sing into your phone or laptop mic. The JJ Suna AI pitch-conditioning pipeline locks onto your vocal melody and harmonizes a full stadium production around your real voice.
Zero subscription walls. Use our free community GPU cluster or connect your personal Hugging Face user token to generate infinitely on your dedicated ZeroGPU quota without waiting in public queues.
JJ Suna AI (suna.jjcoders.com) is an independent open-weights platform created by JJ Coders and is not affiliated with Suno, Inc. Here is how our architecture compares:
| Core Feature | JJ Suna AI (JJ Coders) | Suno AI (Suno, Inc.) |
|---|---|---|
| Audio Fidelity & Output | 48 kHz True Stereo WAV / MP3 (-14 LUFS) | 32 kHz Compressed Audio |
| Model Architecture | Open ~5B Continuous Flow-Matching DiT (ACE-Step 1.5 XL) | Proprietary Closed-Source Weights |
| Vocal Melody Input | Sing-to-Masterpiece (Direct Voice Audio Recording) | Text Prompt Descriptions Only |
| Access & Pricing | 100% Free + Free VIP Fast Lane (Hugging Face ZeroGPU) | Strict Daily Credit Caps & Paid Monthly Plans |
| Commercial Rights | Royalty-Free Open Commercial Output (Keep 100% Royalties) | Commercial Rights Restricted to Paid Tiers |
Experience real songs synthesized end-to-end on Suna AI's 5-Billion Parameter Diffusion Pipeline. Click any track to stream instantly in lossless 48 kHz stereo.
Atmospheric Piano & Dynamic Stadium Pop-Rock Drop
Solemn atmospheric piano building into an explosive, soaring pop-rock stadium chorus with live acoustic drums.
Infectious Afro-house rhythm, acoustic nylon guitar riffs, syncopated festival percussion, sub-bass, and festive brass.
High-energy stadium rock synthesis with instant kick and sub-bass rhythm lock, electric guitar riffs, and studio dynamics.
Brooding staccato cello and violin strings, heroic brass fanfare, rolling trap hi-hats, deep 808 sub-bass glides, and vocal delivery.
Suna AI v1.0 bridges the divide between open foundation weights and commercial studio workflow. Every waveform is rendered with true 48.0kHz clarity, dual-brain coordination, and zero algorithmic slop.
Combines an ACE-Step 1.5 XL SFT continuous flow-matching diffusion core with a 1.5B Qwen2.5-Instruct Producer brain and 14 Suna Rank-64 LoRA experts. The producer orchestrates harmonic arrangement while the continuous flow-matching diffusion network renders true 48 kHz stereo broadcast waveforms.
Export in uncompressed 48 kHz 24-bit PCM / 320 kbps MP3 with 3-stage studio mastering: sub-bass contouring (40–70 Hz), transient punch, and true-peak stereo Haas widening.
Generated outputs are distributed under the permissive Suna Community License. Creators retain rights to monetize their original compositions across streaming, video games, broadcast TV, podcasts, and digital media with zero ongoing royalty dues.
Full model weights, producer GGUF brain, DNA scale profiles, and live inference API are available to all developers and researchers. Zero gated paywalls.
Drag the real-time crossfader slider below to hear how JJ Suna AI synthesizes a full multi-instrument backing band and 48 kHz studio master around raw human singing.
Ultra Funk Style (Distorted 808s & Drift Cowbell)
Every audio render passes through a four-stage uncompressed DSP signal chain. Inspect the active mathematical formulation, tensor dispatch, and broadcast mastering targets below.
Scientifically calibrated spectral curves, dynamic transient density, and RMS sub-bass harmonic profiles engineered natively by Suna AI's neural synthesis models.
Engineered by Johan Jomet (JJ Coders) for producers, sound engineers, and developers seeking an uncompressed, open-weights foundation distinct from closed platforms.
| Evaluation Metric | JJ Suna AI v1.0 | Suno AI (v3.5 / v4) | Udio AI | Meta MusicGen |
|---|---|---|---|---|
| Audio Fidelity & Output Clarity | 48.0 kHz True Stereo WAV / MP3 | 32 kHz / 44.1 kHz Compressed | 32 kHz / 44.1 kHz Compressed | 32 kHz Monophonic |
| Generation Latency (Full Song) | < 14 - 28s (ZeroGPU Fast Lane) | 45 - 90s | 60 - 120s | 90 - 180s |
| Model Architecture & Weights | Open Weights (5B Flow DiT + Qwen 2.5) | Proprietary Closed Blackbox | Proprietary Closed Blackbox | Open Weights (3.3B Autoregressive) |
| Commercial Rights & Royalties | 100% Royalty-Free Open License | Paid Pro/Premier Subscription Tier | Paid Standard/Pro Tier | Non-Commercial CC-BY-NC 4.0 |
| Sing-to-Masterpiece Vocal Harmonization | Full Phase-Lock Multi-Instrument Band | Audio Input Feature (Beta) | Audio Remix Feature | Melody Conditioning Only |
| Inference Access & Pricing | Zero Paywalls // Free Open Access | $10 - $30 / month | $10 - $30 / month | Self-Hosted GPU Hardware Only |
JJ Suna AI (officially JJ Coders Suna AI v1.0, hosted at suna.jjcoders.com) is an open-weights AI music generation platform launched on October 31, 2026 by JJ Coders Founder and CEO Johan Jomet. Engineered around a 5-billion-parameter continuous flow-matching Diffusion Transformer (DiT) combining an ACE-Step 1.5 XL SFT core, a 1.5B Qwen2.5-Instruct Producer brain, 14 Rank-64 LoRA genre experts, and a 48 kHz Oobleck VAE, JJ Suna AI synthesizes uncompressed 48.0 kHz true stereo broadcast audio normalized to -14.0 LUFS.
JJ Suna AI (suna.jjcoders.com / jjcoders/suna-v1) is the generative audio synthesis engine by JJ Coders Group and Johan Jomet. It is an independent platform and is not affiliated with Suno, Inc. (suno.com) or the Kortix Suna open-source generalist agent.
Official governance for suna.jjcoders.com & jjcoders.com
Last updated: October 2026 • JJ coders Group of Companies
YOU AND JJ CODERS GROUP AGREE THAT ANY AND ALL DISPUTES MUST BE RESOLVED ON AN INDIVIDUAL BASIS. NEITHER PARTY SHALL PARTICIPATE AS A PLAINTIFF OR CLASS MEMBER IN ANY PURPORTED CLASS OR REPRESENTATIVE PROCEEDING.
All musical stems and audio tracks synthesized via Suna AI are artificially generated by open foundation continuous flow-matching models and carry machine-readable synthetic audio metadata.
"Suno" and "Suno AI" are registered trademarks of Suno, Inc. Any benchmark reference on this site is made strictly under Nominative Fair Use (15 U.S.C. § 1125(c)(3)(A)). JJ Suna AI is not affiliated with Suno, Inc.
THE SUNA AI SERVICE, FOUNDATION WEIGHTS (jjcoders/suna-v1), SYNTHESIZED AUDIO STEMS, AND WAVEFORMS ARE PROVIDED STRICTLY ON AN "AS IS" AND "AS AVAILABLE" BASIS, WITHOUT WARRANTIES OF ANY KIND, WHETHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, TITLE, OR NON-INFRINGEMENT. JJ CODERS GROUP MAKES NO WARRANTY OR REPRESENTATION REGARDING UNINTENTIONAL HARMONIC, TIMBRAL, OR MELODIC SIMILARITIES TO PRE-EXISTING COMPOSITIONS THAT MAY ARISE THROUGH STATISTICAL NEURAL DIFFUSION.
TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE JURISDICTIONAL LAW, JJ CODERS GROUP, ITS DIRECTORS, EMPLOYEES, AFFILIATES, AND AGENTS SHALL NOT BE LIABLE FOR ANY INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, PUNITIVE, OR CONSEQUENTIAL DAMAGES, NOR FOR ANY LOSS OF REVENUE, PROFITS, OR COMMERCIAL OPPORTUNITY ARISING OUT OF OR IN CONNECTION WITH THE ACCESS, USE, OR INABILITY TO USE GENERATED AUDIO OUTPUTS. TOTAL AGGREGATE LIABILITY OF JJ CODERS GROUP UNDER ALL CAUSES OF ACTION SHALL BE LIMITED TO THE TOTAL FEES PAID BY YOU IN THE PRECEDING TWELVE (12) MONTHS, OR ONE HUNDRED U.S. DOLLARS ($100.00 USD), WHICHEVER IS LESS.
Users explicitly agree not to submit prompts, tags, or vocal stems designed with the intent of producing counterfeit reproductions or infringing upon trademarks, artist likenesses, or copyrighted master recordings. Users agree to defend, indemnify, and hold harmless JJ coders Group against any claims, damages, or liabilities resulting from user's custom prompts or unauthorized distribution of third-party protected elements.
Effective Date: October 2026 • JJ coders Group
European Union and UK residents maintain enforceable rights to request access, rectification, portability, and permanent erasure ("right to be forgotten") of personal data. Suna AI collects minimal telemetry necessary for server stability and does not sell or lease personal data to commercial brokers.
We do not "sell" or "share" personal information or audio assets for cross-context behavioral advertising. For statutory verification or data requests, submit requests to: privacy@jjcoders.com.
Statutory Notice & Counter-Notification Procedure
JJ coders Group respects the intellectual property rights of creators and adheres strictly to the Digital Millennium Copyright Act (17 U.S.C. § 512). If you believe in good faith that any content synthesized or presented on suna.jjcoders.com infringes upon your copyright, please deliver a formal Notice of Infringement to our Designated Copyright Agent:
Under 17 U.S.C. § 512(g), any user who believes an output was improperly disabled or misidentified may file a statutory Counter-Notice. JJ coders Group maintains an expeditious termination policy for repeat infringers who intentionally abuse the service to violate third-party rights.
Tennessee ELVIS Act (2024), BIPA (740 ILCS 14/) & COPPA Compliance
Under the Tennessee Ensuring Likeness Voice and Image Security (ELVIS) Act of 2024 and statutory right-of-publicity protections, an individual's voice is a protected personal right. Users of the Sing-to-Masterpiece Engine warrant and represent that they own or hold express written licensing rights to any vocal audio uploaded. The synthesis of unauthorized celebrity vocal clones, deceptive soundalikes, or non-consensual voice deepfakes is strictly prohibited.
Suna AI does NOT collect, extract, capture, or store biometric voiceprints or vocal identifier templates. Acoustic conditioning algorithms evaluate raw frequency, pitch trajectory, and envelope transients in volatile memory solely for dynamic MIDI and harmony alignment, and all representations are discarded immediately upon stream completion.
Suna AI is designed for professional creators, artists, and general audiences aged 13 and older. We do not knowingly collect, retain, or solicit vocal recordings or personal identifiers from children under 13. Inquiries: coppa@jjcoders.com.
