Video
runway-gen-4.5
Cinematic clips directed in camera language.
<!-- Generated by apps/docs/scripts/gen-tools.mjs. Do not edit here: the words live in apps/web/src/lib/tools/runway-gen-45.tool.json (agent, hint) and packages/shared/src/tools/setting-hints.ts. --> On the rail as **runway-gen-4.5**. ## When to use it Writing a shot the way a cinematographer would, a dolly, a rack focus, handheld energy, instead of describing a scene in general terms. ## When to reach for something else A plain description of a scene reads with less precision here than a shot written in camera language, a dolly, a rack focus, a lens choice. Duration tops out at 10 seconds, so anything longer needs several clips stitched together. ## How to use it 1. Drop a picture onto the card's **Start Frame** slot, from the board or your computer. 2. Write what you want in **Prompt**. 3. Set **Duration (sec)**, **Aspect Ratio** on the card. 4. Press **Run**. ## On the card | Control | What it does | Choices | | - | - | - | | Start Frame | The picture the tool works from. Drop one from the board or your computer. | One picture | | Prompt | What you want, in your own words. The card sends it with your inputs. | Your words | | Duration (sec) | How long the clip is, in seconds. On some models a longer clip costs more. | 2 to 10 | | Aspect Ratio | The shape of the result, like 1:1 square, 16:9 wide, or 9:16 tall. "Match input" copies the source shape. | Horizontal 16:9, Vertical 9:16, Square 1:1, Horizontal 4:3, Vertical 3:4, Horizontal 2.35:1, Vertical 1:2.35 | | Run | Starts the run. The number on it is what this run costs in credits, worked out before you press. | | | ×1 | Runs the card several times in a row with the same settings. | 1 to 99 | ## Settings These sit behind the settings button on the card. | Setting | What it does | Choices | | - | - | - | | Seed | The starting dice roll. The same seed and settings give the same result every time; change it for a fresh variation, or leave it at -1 for a new random one. | A number |On the rail as runway-gen-4.5.
When to use it
Section titled “When to use it”Writing a shot the way a cinematographer would, a dolly, a rack focus, handheld energy, instead of describing a scene in general terms.
When to reach for something else
Section titled “When to reach for something else”A plain description of a scene reads with less precision here than a shot written in camera language, a dolly, a rack focus, a lens choice. Duration tops out at 10 seconds, so anything longer needs several clips stitched together.
How to use it
Section titled “How to use it”- Drop a picture onto the card’s Start Frame slot, from the board or your computer.
- Write what you want in Prompt.
- Set Duration (sec), Aspect Ratio on the card.
- Press Run.
On the card
Section titled “On the card”| Control | What it does | Choices |
|---|---|---|
| Start Frame | The picture the tool works from. Drop one from the board or your computer. | One picture |
| Prompt | What you want, in your own words. The card sends it with your inputs. | Your words |
| Duration (sec) | How long the clip is, in seconds. On some models a longer clip costs more. | 2 to 10 |
| Aspect Ratio | The shape of the result, like 1:1 square, 16:9 wide, or 9:16 tall. “Match input” copies the source shape. | Horizontal 16:9, Vertical 9:16, Square 1:1, Horizontal 4:3, Vertical 3:4, Horizontal 2.35:1, Vertical 1:2.35 |
| Run | Starts the run. The number on it is what this run costs in credits, worked out before you press. | |
| ×1 | Runs the card several times in a row with the same settings. | 1 to 99 |
Settings
Section titled “Settings”These sit behind the settings button on the card.
| Setting | What it does | Choices |
|---|---|---|
| Seed | The starting dice roll. The same seed and settings give the same result every time; change it for a fresh variation, or leave it at -1 for a new random one. | A number |