Runway Gen-4.5 on Hermosso
Runway's top-ranked video model: cinematic realism and direction-following at a mid-tier price — no Runway subscription needed.
What Runway Gen-4.5 does best
Cinematic realism
Lighting, physics and camera behavior that read as footage rather than animation. As of writing, Gen-4.5 is widely ranked the strongest general video model available — it arrived at the top of the public text-to-video leaderboards.
It follows direction
Gen-4.5 adheres to prompts — framing, movement, mood — more literally than most models. If you write a specific shot, this is the engine most likely to give you that shot.
Difficult subjects hold together
Hands, crowds, water and fast motion are where weaker models fall apart; Gen-4.5 holds together noticeably better. Given a still, it preserves the scene's composition and identity while adding believable motion.
The value flagship
At 600 credits per clip, Gen-4.5 sits at less than half the cost of Kling 3 (1,300) — the value pick for cinematic quality. The trade-off: it renders silent, so score the clip yourself if sound matters.
Made for the work you ship
Animating portraits
A still from a photoshoot pack becomes a living profile clip — identity preserved, motion believable.
Product and brand moments
Slow camera moves over a hero shot for ads and landing pages, with prompt adherence that keeps the framing you asked for.
Concept and mood clips
Test a scene's feel before committing to a full production — flagship quality at a mid-tier price.
Specs at a glance
- Runway
- Top-ranked t2v quality
- 5-second clips
- Strong prompt adherence
- Silent
- 600 credits / clip
How to use it
- Upload a photo to Hermosso's Photo to Video tool — a sharp, well-lit still gives the model real detail to move.
- Pick a camera motion from the one-click presets — dolly-in, slow orbit, bullet time, crash zoom and more.
- Select Runway Gen-4.5 and generate. A 5-second clip costs 600 credits; new accounts get 750 free, so your first render is effectively free.
Frequently asked questions
What is Runway Gen-4.5?
Runway Gen-4.5 is Runway's latest video model — as of writing, widely ranked at or near the top of the public text-to-video leaderboards. It's known for cinematic realism, tight prompt adherence and holding together on difficult subjects like hands, crowds and water.
Gen-4.5 vs Gen-4 — what's new?
Gen-4.5 is the current generation of Runway's Gen-4 line: the step up that took it to the top of the public text-to-video leaderboards, with stronger realism and direction-following. It's the version available inside Hermosso's studio.
How do I use Runway Gen-4.5 on Hermosso?
Open Photo to Video, upload a still, pick a camera-motion preset and select Gen-4.5 — a 5-second clip costs 600 credits, with no Runway account or subscription needed. New accounts get 750 free credits.
Does Runway Gen-4.5 generate audio?
No — Gen-4.5 renders silent in the studio. For clips with native sound, look at Kling 3, Seedance 2.5, Hailuo H3 Max or Veo 3.1 Lite.
Gen-4.5 vs Kling 3 — which should I use?
Gen-4.5 (600 credits) is the value pick for cinematic quality; Kling 3 (1,300 credits, native audio) is the flagship when the clip really matters. Draft on cheaper engines first, then render the winner on either.
Is Runway Gen-4.5 free to use?
Not on Runway's own platform, which is subscription-based. On Hermosso, new accounts get 750 free credits — enough for one Gen-4.5 clip (600 credits) — with no Runway account needed.
Try Runway Gen-4.5 on Hermosso
One credit balance across every model in the studio. New accounts get 750 free credits — and credits never expire.
Try Runway Gen-4.5