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Gen-4.5 vs Grok Imagine Video: side-by-side summary

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.

Context window
  • Gen-4.5: Not published
  • Grok Imagine Video: Not published
Price
  • Gen-4.5: $0.12/second
  • Grok Imagine Video: from $0.05/second
Provided by
  • Gen-4.5: Runway
  • Grok Imagine Video: SpaceXAI
  • Gen-4.5 model details, providers and pricing
  • Grok Imagine Video model details, providers and pricing