Gen-4.5

Name: Gen-4.5
Author: Runway

videoproprietary

Runway text-to-video and image-to-video model supporting 2–10 second videos. HDR and professional output formats incur additional charges.

Video generation

$0.12/second

Capabilities

Show unsupported (15)

No supported capabilities recorded.

ProviderRunway

Creatorrunway

Familygen

Licenseproprietary

Statusactive

Typevideo

Input modalitiestext, image

Output modalitiesvideo

Open weight—

Parameters—

Architecture—

Max duration10s

Max resolution—

Resolutions1280x720, 720x1280, 1104x832, 960x960, 832x1104, 1584x672

FPS—

Release date2026-02-10

Sourcecommunity

Video generationPer second

	Standard output
Gen-4.5	$0.12

Model	Max duration	Max resolution	Resolutions	FPS
Gen-1	4s	768x448	768x448, 448x768	24 fps
Gen-2	4s	1408x768	1408x768, 768x1408	24 fps
Gen-3 Alpha Turbo	10s	1280x768	1280x768, 768x1280	24 fps
Gen-3 Alpha	10s	1280x768	1280x768, 768x1280	24 fps
Gen-4	10s	1280x768	1280x768, 768x1280	24 fps
Gen-4.5	10s	—	1280x720, 720x1280, 1104x832, 960x960, 832x1104, 1584x672	—
Gen-4 Image	—	—	—	—
Gen-4 Image Turbo	—	—	—	—
Gen-4 Turbo	10s	—	1280x720, 720x1280, 1104x832, 960x960, 832x1104, 1584x672	—

GET/v1/models/runway/gen4.5