Runway Gen-4: What it is , How to Access & Use
Runway has unveiled its new AI video model, Gen-4. The company explains that the model can create consistent scenes and characters across multiple shots. It is difficult for users to tell a coherent story in AI-generated videos, especially when it comes to character generation. According to a press release shared by Runway on X, the new Gen-4 will give users more continuity and control while telling a story.

What Is Runway Gen-4?
Runway Gen-4 is the latest advancement in artificial intelligence (AI) video generation developed by Runway AI Inc., a New York-based startup. This cutting-edge model addresses a significant challenge in AI-generated videos: maintaining consistency in characters, objects, and scenes across multiple shots. By leveraging both visual cues and textual prompts, Gen-4 enables the creation of coherent and dynamic video content without the need for extensive training sessions.
Gen-4 introduces several technical advancements that set it apart from its predecessors and competitors:
- Realistic Motion Generation: The model excels in producing videos with lifelike motion, ensuring smooth transitions and natural movements essential for high-quality productions.
- Understanding of Real-World Physics: Gen-4 represents a significant milestone in visual generative models’ ability to simulate real-world physics, enhancing the authenticity of generated content.
- Production-Ready Video Quality: The model can generate videos at 1080p resolution, meeting the standards required for professional filmmaking.
What are the breakthroughs of Runway Gen4?
Consistent Characters and Scenes
One of the standout features of Gen-4 is its ability to maintain consistent characters and scenes across multiple shots. This advancement addresses a common challenge in AI-generated videos, where characters and objects often appear inconsistently from one scene to another. With Gen-4, users can generate videos where characters retain their appearance and environments remain stable, enhancing the storytelling experience.
Additionally, Gen-4 can render scenes from multiple angles, providing filmmakers with comprehensive coverage of environments and subjects. This feature enhances the creative process by offering diverse perspectives within the same sequence.
Video Synthesis
Gen-4 allows users to generate characters and objects across shots using a single reference image. By providing a reference image and describing the desired composition, the model can produce consistent outputs from multiple angles and contexts. This feature offers unprecedented creative freedom, enabling the creation of complex scenes with coherent narratives
Enhance Realism and Motion in Videos
The model excels in generating highly dynamic videos with realistic motion. It understands and simulates real-world physics, allowing for smooth transitions and lifelike movements. This capability is crucial for producing videos that closely resemble real-life footage, making them more engaging and believable.
How Can You Access Runway Gen-4?
Gen-4 is available to all paid subscribers and enterprise customers of Runway AI Inc. The company offers several subscription plans to cater to different user needs:
- Standard Plan: Priced at $15 per month, this plan includes 625 monthly credits, unlimited video projects, access to Gen-3 Alpha Turbo (Image to Video) up to 10 seconds, 100GB of asset storage, and support for up to 5 users per workspace.
- Pro Plan: At $35 per month, users receive 2,250 monthly credits, all features of the Standard Plan, 500GB of asset storage, the ability to create custom voices for Lip Sync and Text-to-Speech, and support for up to 10 users per workspace.
- Unlimited Plan: For $95 per user per month, this plan offers all Pro Plan features with the added benefit of unlimited video generation and support for up to 10 users per workspace.
Each plan comes with a 20% discount if paid annually. Enterprise solutions are also available, with custom pricing structures provided upon request.
How Do You Use Runway Gen-4?
Utilizing Gen-4 involves a straightforward process that combines user input with the model’s advanced capabilities:
- Provide a Reference Image: Begin by uploading a single reference image of the character or object you wish to feature consistently across your video.
- Input a Textual Prompt: Describe the desired composition, scene, or action in clear and concise language. For example: “A woman walks through a bustling city street at sunset.”
- Configure Camera Controls (Optional): Gen-4 offers advanced camera control features, allowing users to specify movements such as zoom, pan, tilt, and roll. Adjusting these settings can enhance the dynamism of the generated video.
- Generate the Video: Once the inputs are set, initiate the generation process. Gen-4 will produce a video that aligns with your specifications, maintaining consistency and realism throughout.
- Review and Refine: After generation, review the video and make any necessary adjustments to prompts or settings to achieve the desired outcome.
How Can You Achieve Realistic Motion and Scene Coverage?
Achieving realistic motion and comprehensive scene coverage with Runway Gen-4 involves leveraging its advanced AI capabilities to create dynamic, lifelike videos. Here’s how you can utilize Gen-4 to its fullest potential:
Provide Detailed Scene Descriptions: Begin by inputting a comprehensive textual description of the scene you envision. Include specifics about the environment, lighting, actions, and any particular elements you want to feature. This detailed prompt guides Gen-4 in generating a scene that aligns with your creative vision.
Incorporate Reference Images: Enhance the model’s understanding by supplying reference images for characters, objects, or settings. These images serve as visual cues, enabling Gen-4 to maintain consistency and accurately represent the desired elements across various shots.
Utilize Multi-Angle Generation: Gen-4 allows for the regeneration of scenes from multiple perspectives and positions. By specifying different camera angles or viewpoints in your prompts, you can achieve comprehensive coverage of the scene, capturing it from various vantage points.
Ensure Consistency Across Shots: To maintain continuity, use the same reference images and style descriptions across different scenes. Gen-4 excels in preserving the distinctive style, mood, and cinematographic elements, ensuring a coherent visual narrative.
Leverage Real-World Physics Simulation: Gen-4 is designed to simulate real-world physics, contributing to the realism of motion within the generated videos. Trust the model’s capabilities to produce natural movements and interactions within the scene.
Iterate and Refine: Review the generated outputs and refine your prompts or reference materials as needed. Iterative adjustments can help in achieving the desired level of realism and scene coverage.
For Developers: API Access
CometAPI offer a price far lower than the official price to help you integrate Runway Gen-4 API, and you will get $1 in your account after registering and logging in! Welcome to register and experience CometAPI.
CometAPI acts as a centralized hub for APIs of several leading AI models, eliminating the need to engage with multiple API providers separately.
Please refer to Runway Gen-3 Alpha API and Runway Gen-4 API for more details.
Conclusion
By thoughtfully combining detailed prompts with relevant reference images and utilizing Gen-4’s multi-angle and physics simulation features, you can create videos with realistic motion and comprehensive scene coverage that align with your creative objectives.