Compare Gen-4.5 from Runway and Grok Imagine Video from SpaceXAI on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the OpenRouter API.
Gen-4.5 and Grok Imagine Video are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
Gen-4.5, from Runway, is priced at $0.12/second on OpenRouter.
Grok Imagine Video, from SpaceXAI, is priced from $0.05/second on OpenRouter.