Runway Launches Gen-4 Image API for Developers with Reference-Based Consistency

Details

• Runway opened access to its Gen-4 Image API on May 16, 2025, allowing developers to integrate AI-generated visuals with consistent characters and scenes.
• The model features support for single-reference image input, outputs in 1080p across six aspect ratios, and a pricing tier of 32 credits for every four images.
• Enterprise users in sectors like e-commerce, gaming, and film are deploying the tool to create style-consistent video and image content.
• Gen-4 requires no fine-tuning and produces temporally and physically coherent outputs—maintaining lighting and form across sequences.
• Runway provides developer aids including API documentation and GitHub templates to streamline integration.

Impact

With Gen-4's API release, Runway enables scalable, consistent image and video generation in commercial settings. It reflects the growing push for multi-modal AI tools that can be embedded in complex production workflows without specialized model training.