Runway claims its latest text-to-video model generates even more accurate visuals than its last. In a blog post on Monday, Runway says its Gen-4.5 model can produce “cinematic and highly realistic outputs,” potentially making it even more difficult to distinguish between what’s real and what’s AI.

“Gen-4.5 achieves unprecedented physical accuracy and visual precision,” Runway’s announcement says. It adds that the new AI model is better at adhering to prompts, allowing it to produce detailed scenes without compromising video quality. Runway says that AI-generated objects “move with realistic weight, momentum and force,” while liquids “flow with proper dynamics.”

The Gen-4.5 model is rolling out to all users gradually and will offer the same speed and efficiency as its predecessor, accordi

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