Runway Gen-4.5

What it is actually for

Runway is the odd one out on this list, because Runway is not really selling you a model. It is selling you the timeline around it.

Gen-4.5 is competitive but it is not what makes Runway the right answer. What makes it the right answer is that generation, editing and iteration live in one product. If your work involves getting a clip close and then fixing it, that is worth more than a few tenths on a quality score.

The trade-off

Reported pricing sits above the market at roughly $0.20 per second (unverified by us), and you are paying partly for tooling rather than raw output. If you only need clips out of an API and have your own post-production, you are subsidising features you will not open.

Who should pick it

Professionals whose editing matters as much as their generation, and teams that want one product rather than a pipeline they maintain themselves. It is the pick for editing-led migrations off Sora.

Runway also competes on both layers at once — it is a model maker and a platform, which is unusual and worth understanding before you compare its price to a raw API.