Runway Gen-4.5 is the company’s latest flagship text-to-video model, announced December 1, 2025. It’s positioned as an incremental but meaningful evolution over the Gen-4 family, with focused improvements in motion quality, prompt adherence, and temporal/physical realism — the exact areas that historically separated “good” AI video from “believable” AI video. Runway Gen-4.5 leads the current […]
Gen-4 Image is Runway’s flagship multimodal image-generation model in the Gen-4 family that supports prompted generation plus visual references (you can “@mention” reference images) to produce highly controllable, stylistically consistent outputs for image and image→video pipelines.
Model Type: Image Generation
Runway Gen-4 Aleph(model id /gen4_aleph) is Runway’s in-context, video-to-video model that extends the Gen-4 family with powerful video editing, shot continuation and view-synthesis capabilities. In plain terms: Aleph can take an input clip and perform complex edits — add/remove/replace objects, relight, restyle, generate novel camera angles, and even generate the “next shot” in a sequence — driven by text prompts and optional reference images. This release is presented as a major step toward coherent, multi-shot video generation and in-context editing.
Model Type: Video
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 […]
Runway Gen-4 API enables developers to integrate advanced AI-driven video generation capabilities, offering features like character consistency, scene continuity, and realistic camera controls into their applications for seamless content creation.
Model Type: Video
