Models
Genmo's Mochi 1 explained: what the open-weights video model does, its hardware and length limits, and which video models to use on Muvi instead.
Founded by researchers from UC Berkeley and AI industry veterans, Genmo progressed from early creative tools (Genmo Chat and Replay) to its flagship open-weights release, Mochi 1. The model introduced the Asymmetric Diffusion Transformer (AsymmDiT) architecture, which processes visual tokens and text prompt tokens with asymmetric capacity to optimize visual motion dynamics.
While Mochi 1 excels at simulating physical motion like liquid splashes, blowing hair, and camera drift, incorporating it into client production workflows uncovers significant technical friction:
1. Colossal Local Hardware Requirements: With 10 billion parameters, running Mochi 1 locally at native BF16 precision requires multi-GPU clusters (typically 4x NVIDIA H100 or A100 80GB GPUs). Even with aggressive FP8 quantization, single consumer cards face memory exhaustion or multi-minute rendering times for a single 4-second clip. 2. Fixed 4.5-Second Duration Capping: Mochi 1 natively synthesizes up to 163 frames at 30fps (approximately 4.5 seconds). Long-form storytelling, complex dance routines, and dialogue scenes require manual stitching that often breaks temporal flow. 3. High-Frequency Motion Blur: While fluid, fast-moving subjects in Mochi 1 frequently exhibit a soft, blurry halo around complex edges, softening high-frequency skin pores, fine jewelry, and sharp hair strands. 4. No Native Audio Generation: Like most pure visual diffusion transformers, Mochi 1 outputs silent MP4 files. Foley sound, ambient music, and dialogue tracks must be generated in third-party tools.
On Muvi, you get the creative benefits of high-parameter diffusion without the infrastructure overhead. Our cloud studio routes your prompts directly to cloud infrastructure built for clarity and longer clips.
Below are sample clips illustrating physical stability, texture sharpness, and atmospheric lighting:
“Slow macro crane push-in on an artisanal blown-glass perfume bottle resting on wet obsidian stone, morning mist curling around the base, warm golden hour rim light revealing delicate liquid refraction, crisp reflections, cinematic depth of field”
Notice how the refractive glass facets and liquid meniscus remain dimensionally stable throughout the camera move. Unlike high-parameter open models that soften high-frequency edges during subtle camera translations, this clip sustains razor-sharp reflections and physical geometry.
“Low-angle tracking shot of an haute couture model walking across an open desert ridge at sunset, wearing a billowy pleated golden organza gown that ripples violently in the desert wind, dynamic cloth physics, backlit sunset glow, razor-sharp fabric texture, 4K Ultra HD”
This clip stresses complex textile aerodynamics and backlit transparency. Notice the natural chaotic turbulence of the organza fabric as it billows in the wind, maintaining crisp pleat geometry and authentic translucency across the entire camera trajectory.
Upgrading from cumbersome local models to Muvi gives creators and marketing teams a competitive edge:
1. Preview Drafts to Final Exports: Test creative prompts rapidly in 480p and 720p drafts on Seedance 2.0 or Wan 3.0, then export final shots in 1080p Full HD, or up to 4K Ultra HD on Veo 3.1, with full commercial rights and zero watermarks on Pro and higher plans. 2. Continuous Single Takes up to 15 Seconds: Move beyond 4-second caps. With ByteDance Seedance 2.0, produce continuous takes from 4 up to 15 seconds, maintaining anatomical stability and cinematic camera movement throughout. 3. Multi-Model Production Suite: Combine the specialized strengths of top foundation models in one unified dashboard: Google Veo 3.1 for native 1080p photorealism with synced audio, ByteDance Seedance for human motion and dance, and Alibaba Wan 3.0 Prime for sharp in-frame typography. 4. Free Starter Coins: Sign up to receive free starter coins and explore text-to-video and image-to-video workflows. 5. Clear Coin Costs: Every model shows its coin cost before you generate, and plans and coin packs are listed on the pricing page.
| Feature / Metric | Genmo Mochi 1 (10B DiT) | ByteDance Seedance 2.0 | Google Veo 3.1 |
|---|---|---|---|
| Architecture | Asymmetric DiT (AsymmDiT, 10B) | Spatio-Temporal Multimodal DiT | Latent Space-Time Diffusion Architecture |
| Compute Hardware | 4x NVIDIA H100 (80GB VRAM) local | Enterprise Cloud Cluster (Browser UI) | Enterprise Cloud TPU / GPU Clusters |
| Clip Duration | Up to 4.5 seconds (163 frames) | 4 to 15 seconds continuous take | 4, 6, or 8 seconds continuous take |
| Export Resolutions | 480p native (scaled via post-filter) | 480p, 720p, 1080p | 720p, 1080p Full HD, up to 4K Ultra HD |
| Native Synced Sound | None (Visual-only) | Audio supported | Full native synced audio & dialogue |
| Motion & Physics | High fluid motion (soft edge blur) | Strong motion stability | Photorealistic cinematic physics |
| Typography & Logos | Letter warping & distortion | Standard text handling | Pairs with Wan 3.0 Prime for legible text |
| Commercial Rights | Apache 2.0 (weights only) | Full Commercial Rights on Pro and higher plans | Full Commercial Rights on Pro and higher plans |
| Production Vector | Genmo Mochi 1 | ByteDance Seedance 2.0 (Muvi) | Google Veo 3.1 (Muvi) |
|---|---|---|---|
| Long-Take Continuity | 4.5s max (requires stitching) | 4s to 15s single continuous take | 4s, 6s, 8s native takes |
| High-Frequency Edge Sharpness | Moderate (prone to motion blur) | Crisp textures and bone structure | Photorealistic film grain & textures |
| Native Audio Integration | None | Audio supported | Native dialogue, foley & soundtrack |
| Hardware Barrier | Extreme ($30,000+ local cluster) | Zero (Instant browser access) | Zero (Instant browser access) |
| Pricing Predictability | Variable cloud compute costs | Free starter coins + paid plans | Unified coins across models |
| Best Production Use | Fluid physics research & experiments | Commercial ads, complex dance, narrative | Cinema scenes, dialogue, mood films |
For extended physical choreography and athletic motion, switch to our ByteDance Seedance 2.0 generator. When native dialogue and synchronized sound are essential, explore our Google Veo 3.1 generator.
Deploy these prompt recipes directly inside Muvi Studio to achieve immediate commercial-grade results:
Full-body cinematic tracking shot of an acrobatic martial artist performing a fluid spinning crescent kick inside a traditional wooden dojo at sunset. Golden beams of dust-mote sunlight stream through rice paper shoji screens, illuminating the airborne motion. Natural muscle flex, dynamic linen gi cloth ripples, flawless hand and foot anatomy throughout the rotation. Camera tracks smoothly at waist height, 24fps film cadence, 1080p.Intimate medium close-up of a detective speaking quietly on a payphone outside a neon-lit diner during a torrential midnight rainstorm. Raindrops stream down the glass booth walls, catching vibrant magenta and amber reflections. Synchronized native audio of heavy raindrops hammering the metal roof, muffled street traffic, and deep vocal timbre with natural lip sync. Anamorphic lens flare, photorealistic skin pores, 1080p master.Use the uploaded cocktail glass photo as the anchor frame. Dynamic low-angle 180-degree camera sweep around the crystal coupe glass filled with sparkling ruby negroni. A fresh orange peel twist rests on the rim, with legible branded lettering "MUVI RESERVE" printed crisply on the cocktail coaster below. Translucent ice sphere refracting warm ambient bar lighting, liquid ripples settling with authentic viscosity, 1080p resolution.Running Mochi 1 locally requires high-end enterprise GPUs with 80GB VRAM (like NVIDIA H100s) to achieve reasonable generation speeds. Genmo Mochi 1 is not available on Muvi, but on Muvi you can generate video directly in your web browser with zero hardware setup. New users receive free starter coins upon signup, and each model shows its coin cost before you generate.
While Mochi 1 offers fluid motion curves, it is constrained by a 4.5-second clip duration ceiling, high-frequency edge blur, and massive local compute requirements. ByteDance Seedance 2.0 on Muvi allows continuous single takes from 4 up to 15 seconds with strong human anatomy retention.
No. Mochi 1 is an image-and-text-conditioned video model that produces silent video files. If your production requires synchronized dialogue, environmental acoustics, and foley, Muvi offers Google Veo 3.1, which generates high-definition video and native synchronized audio tracks in a single generation pass.
Yes. Pro, Ultra and Business plans on Muvi include 100% watermark-free exports with full commercial usage rights. Resolution depends on the model: Veo 3.1 exports 720p, 1080p or 4K, while Seedance 2.0 and Wan 3.0 Prime export up to 1080p.
One coin balance works across the video models on Muvi, including Google Veo 3.1, ByteDance Seedance 2.0 and Alibaba Wan 3.0 Prime, and each model shows its coin cost before you generate. Some models need a specific plan: Seedance 2.0 requires Pro and Gemini Omni Flash requires Ultra. Current plans and coin packs are listed on the pricing page.
Expand your creative toolkit with Muvi's studio diffusion suite:
Genmo's Mochi 1 explained: what the open-weights video model does, its hardware and length limits, and which video models to use on Muvi instead.