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Runway Video Big Closed weights

Gen-4.5

346 days since Runway announced it ·

Gen-4.5 is a closed-weights video model from Runway, announced 1 Dec 2025. It costs $0.12 per second (12 credits/s at $0.01 per credit).

Price
$0.12
per second (12 credits/s at $0.01 per credit)
Parameters
—
not disclosed

Our coverage

1 story
  1. Runway's Gen-4.5 tops text-to-video leaderboard

Runway · Big · Gen

closed weights
  1. Gen-4.5 +245d
  2. Gen-4 Image +287d
  3. Gen-3 Alpha

More from Runway

All models
  1. Enhance Frame Rate
  2. Aleph 2.0
  3. Gen-4 Image Turbo
  4. Runway Aleph
  5. Gen-4 Turbo
  6. Frames

Facts last updated , from Runway’s own pages.