Runway Gen-4.5

Runway Gen-4.5 is Runway’s advanced video generation model for cinematic text-to-video and image-to-video workflows.

Runway Gen-4.5 verified specifications

Runway Dev uses the model value gen4.5. The model supports text-to-video and image-to-video generation, 2-10 second clips, 720p output and 24 or 25 fps depending on the workflow.

Pricing

Runway’s developer pricing lists Gen-4.5 at 12 credits per generated second. Professional and HDR output formats can add extra per-second charges.

Best uses

Gen-4.5 is designed for cinematic motion, advertising concepts, product animation, camera choreography and other short-form visual production.

Limitations

Clips are short, base output is 720p and longer generations consume credits quickly. Complex physical motion and continuity can still require retries.

Runway Gen-4.5 capabilities and use cases

In addition, its main capabilities include Text-to-video, Image-to-video, 2-10 second clips, 720p output, 24/25 fps and Complex motion and prompt adherence. For example, common use cases include Commercial video concepts, Social ads, Cinematic shots, Image animation and Previsualization.

Who should consider Runway Gen-4.5?

In practice, this model may suit Cinematic video, Advertising, Text-to-video, Image animation and Creative production. Also, notable strengths include Strong motion quality, Precise prompt following, Official API and Multiple aspect ratios. However, review trade-offs such as 2-10 second generation length, Professional output formats can cost more and Generated physics and continuity can still fail before adopting it.

Runway Gen-4.5 pricing and access

Meanwhile, Runway Gen-4.5 costs 12 credits per second of generated video through the Runway Dev API. Web plans also consume credits based on output duration. API usage is billed at 12 credits per generated second. Longer clips therefore consume credits linearly, and professional/HDR formats can add surcharges.

Official resources and verification

Use the official model website, official documentation, pricing or release source and additional primary source to confirm current availability, limits and pricing. Product details can change after publication, so rely on primary documentation for final decisions.

Compare with other AI models

Next, continue your research in the AI models directory, Runway models and Video Generation models. Compare providers, pricing, modalities and practical limitations side by side to choose the right model for your workflow.