Interpolates start-end frames with refined motion control presets
PixVerse 5.5: Cinematic Image-to-Video Generation with Sound Sync on playground and API | RunComfy
Transform text or images into cinematic videos with smooth motion, synced audio, and multi-scene storytelling, all generated quickly through browser or API for seamless creative production.
Introduction to PixVerse 5.5 Image-to-Video
Developed by AiShi Technology, PixVerse 5.5 is an advanced image-to-video model that turns a single text prompt or image into cinematic story-driven clips with synchronized sound and expressive motion. Designed for creators, brands, and content teams, PixVerse 5.5 delivers multi-scene HD videos in seconds, automatically handling voiceovers, camera angles, and visual rhythm. For developers, PixVerse 5.5 on RunComfy can be used both in the browser and via an HTTP API, so you don’t need to host or scale the model yourself.
Examples Created Using PixVerse 5.5






Model overview
- Provider: PixVerse
- Task: image-to-video
- Architecture: Diffusion-based video generation with temporal attention and transformer-style motion modules
- Resolution/Specs: Up to 1080p; 5–10 s clips (1080p limited to 5 or 8 s); multiple aspect ratios supported
- Key strengths:
- Strong temporal consistency and smooth camera/object motion
- High prompt adherence with optional prompt optimization
- Multi-clip sequencing for dynamic, multi-shot storytelling
- Optional audio generation (BGM, SFX, dialogue) synchronized to visuals
- Fast, scalable inference on RunComfy cloud GPUs
PixVerse 5.5 is an advanced image-to-video model optimized for fast, high-quality short-form video generation from text and a starting image. This release continues the PixVerse lineage with improved motion smoothness, style controllability, and production-ready outputs.
How PixVerse 5.5 runs on RunComfy
Use PixVerse 5.5 on RunComfy to get production-grade performance without managing infrastructure.
- Playground UI: Experience the model directly in your browser without installation.
- Playground API: Developers can integrate PixVerse 5.5 via a scalable HTTP API at
https://runcomfy.com/models/PixVerse 5.5/api. - Infrastructure: RunComfy’s cloud GPUs deliver low-latency execution with no cold starts and no local setup required, so teams can iterate quickly and deploy at scale.
Input parameters
Below are the inputs supported by PixVerse 5.5. Required fields: prompt and image_url.
Core prompts
| Parameter | Type | Default/Range | Description |
|---|---|---|---|
| prompt | string | "" | Text prompt describing the content of the generated video. Be explicit about subject, motion, camera, lighting, and mood for best results in PixVerse 5.5. |
| negative_prompt | string | "" | Terms to exclude (e.g., low quality, jitter, watermark). Helps PixVerse 5.5 avoid undesired artifacts or styles. |
| style | string | anime; [anime, 3d_animation, clay, comic, cyberpunk] | High-level aesthetic preset. Guides rendering style while preserving your prompt’s intent. |
| thinking_type | string | auto; [enabled, disabled, auto] | Prompt optimization mode. enabled refines your prompt for quality, disabled uses it verbatim, auto lets PixVerse 5.5 decide. |
Media, dimensions, and timing
| Parameter | Type | Default/Range | Description |
|---|---|---|---|
| image_url | string | (required) image URI | URL of the image used as the first frame. Choose a clean, high-resolution source to anchor motion in PixVerse 5.5. |
| aspect_ratio | string | 16:9; [16:9, 4:3, 1:1, 3:4, 9:16] | Output aspect ratio. Match your source image to minimize cropping and preserve composition. |
| resolution | string | 720p; [360p, 540p, 720p, 1080p] | Output resolution. 720p is a good balance of speed and quality; 1080p is limited to shorter durations (5 or 8 s). |
| duration | string | 5; [5, 8, 10] | Video length in seconds. Note: 1080p supports only 5 or 8 s. Longer clips cost more compute time. |
Advanced controls
| Parameter | Type | Default/Range | Description |
|---|---|---|---|
| seed | integer | 0 | Random seed for reproducibility. Use the same non-zero seed to iterate consistently in PixVerse 5.5; 0 randomizes per run. |
| generate_audio_switch | boolean | false | If true, generates audio (BGM, SFX, dialogue). Adds latency and may benefit from audio cues in the prompt. |
| generate_multi_clip_switch | boolean | false | If true, enables multi-clip generation with dynamic camera changes. Useful for multi-shot narratives; increases compute time. |
Recommended settings
For best results with PixVerse 5.5 image-to-video:
- Start with 720p, 5–8 s for fast iteration; switch to 1080p for final renders (5 or 8 s only).
- Match aspect_ratio to your source image to avoid cropping; use 9:16 for mobile, 16:9 for web/video.
- Use thinking_type=auto for general use; set enabled for maximum quality optimization, or disabled for exact prompt control.
- Add a concise negative_prompt (e.g., low quality, motion jitter, text artifacts) to reduce common issues.
- Enable generate_multi_clip_switch for dynamic storytelling; prefer 8–10 s and 720p for more complex sequences.
- If generate_audio_switch is true, mention desired audio mood and events in the prompt (e.g., ambient city noise, upbeat electronic BGM).
- Set a fixed seed (>0) when you need deterministic iterations.
Output quality and performance
PixVerse 5.5 returns an MP4 video; if audio is enabled, an audio track is embedded. On RunComfy’s cloud GPUs with no cold starts, most 5–8 s 720p jobs complete within tens of seconds, while 1080p or multi-clip runs typically complete within 1–2 minutes depending on load and settings.
Recommended use cases
PixVerse 5.5 excels in:
- Marketing and social shorts: product reveals, launch teasers, and promos
- Entertainment and games: character motion tests, cinematic previz, and trailers
- E-commerce: rotating hero visuals and mood-driven product showcases
- Education and explainers: concept animations and scene dramatizations
How PixVerse 5.5 compares to other models
- PixVerse 5.5 vs Stable Video Diffusion (SVD): PixVerse 5.5 offers built-in multi-clip sequencing, style presets, and optional audio generation with a managed API; SVD is open-source and flexible but typically requires custom tooling for comparable features and scaling.
- PixVerse 5.5 vs Pika/Runway-style generators: PixVerse 5.5 emphasizes prompt adherence, temporal stability. Alternatives may offer broader ecosystems or proprietary effects, but often trade off fine-grained prompt control or require platform lock-in.
Related Playgrounds
Turn static images into vivid motion with precise text and 2K detail.
Turn static images into fluid, realistic 1080p motion with smart style control.
Transform speech into lifelike video avatars with expressive, synced motion.
Unified AI model for refined scene editing, style match, and smooth video refits
Precise prompts, lifelike motion, vivid video quality.
Frequently Asked Questions
What is PixVerse 5.5 and how does its image-to-video capability differ from earlier versions?
PixVerse 5.5 is the latest generation of the PixVerse image-to-video model by AiShi Technology, built with an upgraded MVL (Multimodal Vision Language) architecture. Compared to V5 or V4.5, PixVerse 5.5 introduces multi-scene camera transitions, synchronized voiceovers, and audio-visual alignment for narrative storytelling.
Can I use PixVerse 5.5 for commercial projects on RunComfy?
Yes, but you must follow the licensing terms specified by AiShi Technology. PixVerse 5.5 is generally released under a Non-Commercial or limited-use license. Using it on RunComfy does not override the model’s original license—commercial deployment of image-to-video outputs requires explicit permission from the model creator.
How does RunComfy manage performance and GPU resources for PixVerse 5.5?
RunComfy runs PixVerse 5.5 on distributed cloud GPU infrastructure, enabling stable image-to-video rendering with managed concurrency. It automatically scales sessions to minimize latency, allowing multiple video generations in parallel while maintaining consistent quality and response times.
What are the maximum technical limits when generating videos with PixVerse 5.5?
PixVerse 5.5 supports HD resolutions up to roughly 1080p for image-to-video generation. Currently, prompt tokens are capped at around 300, and it supports up to two reference inputs such as ControlNet or IP-Adapter sources. Output durations are limited to 5, 8, or 10 seconds per render.
How do I transition from testing PixVerse 5.5 in the RunComfy Playground to API production?
After testing PixVerse 5.5 in the RunComfy Playground, developers can move to production via the RunComfy API. The API mirrors Playground functionality for the image-to-video pipeline. You’ll need an API key, a valid USD credit balance, and endpoint authentication to automate generation in your app or workflow.
What makes PixVerse 5.5’s image-to-video generation unique in quality and storytelling?
PixVerse 5.5 integrates narrative scene sequencing, synchronized soundtracks, and camera angle variation—all generated from a single prompt. These features make its image-to-video output more cinematic and cohesive compared to competing diffusion-based tools.
What is the latency or average processing time for a PixVerse 5.5 render on RunComfy?
On average, PixVerse 5.5 generates a 5-second image-to-video clip in 20–40 seconds on RunComfy, depending on user demand. GPU queues auto-balance workloads so concurrent tasks do not significantly delay completion times.
Does using PixVerse 5.5 on RunComfy give me full ownership of the generated videos?
You hold ownership of your generated PixVerse 5.5 outputs within the limits set by its original license. Even when using image-to-video features on RunComfy, you must comply with AiShi Technology’s distribution and commercial terms. Always verify license type before publishing or selling generated content.
Can I run PixVerse 5.5 locally instead of in the RunComfy cloud?
Local deployment of PixVerse 5.5 requires substantial GPU capacity (comparable to RTX 4090 or A100). RunComfy provides managed GPU infrastructure, which is usually more efficient and avoids setup complexity for image-to-video operations. Developers often prefer RunComfy for reliability and scale.
Is there a free trial or cost structure for using PixVerse 5.5 on RunComfy?
Yes, RunComfy provides free USD credits for first-time users of PixVerse 5.5. After that, image-to-video generation consumes paid USD credits per render. For detailed pricing, consult the 'Generation' section on the RunComfy dashboard or contact hi@runcomfy.com.
RunComfy is the premier ComfyUI platform, offering ComfyUI online environment and services, along with ComfyUI workflows featuring stunning visuals. RunComfy also provides AI Models, enabling artists to harness the latest AI tools to create incredible art.
