Runway splits the job into generation (Gen-4.5) and editing (Aleph 2.0). Veo is a generation model that you reach through several Google products.
How to test
Generate a short clip in both, then try one targeted edit: change the time of day and keep the action identical.
Related
Read the reviews of Runway and Veo, see the AI model tracker for versions and sources, or browse all comparisons.
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