---
source: https://autoadify.com/ai-models/runway-gen-4-5-i2v
title: "Runway Gen-4.5 i2v for social media"
---

# Runway Gen-4.5 i2v for social media

> Runway Gen-4.5 animating a still image at 720p. Tagged for B-roll — subtle motion for a product shot or scene. Clips are silent.

Runway Gen-4.5 i2v is one of 80+ AI models in Autoadify, the AI agent for social media. No Runway account or API key is needed: every model is in one subscription, chosen per generation — by asking the AI agent, in a social media AI workflow step, or in AI Studio.

- **Lab:** Runway
- **What it is:** Runway Gen-4.5 — animate a still image at 720p
- **Best for:** B-roll
- **Available on:** Pro plan and above
- **Cost band:** Mid, relative to its own type
- **Clip lengths:** 5, 10 seconds
- **Sound:** silent

## What to make with Runway Gen-4.5 i2v

- **Reel backgrounds** (Instagram, TikTok, YouTube): Motion behind on-screen text, so a tip or a quote becomes a reel.
- **Product motion** (Instagram, TikTok, Facebook): Product turns, close-ups and texture shots for a launch.

**Pick it when:** You want Runway's motion on your own image.

**Try Kling 3.0 Standard i2v instead** for a 720p animation that can come with sound.

## Where the clip goes

Vertical 9:16 is the native shape for short video on most platforms.

| Platform | Spec | Note |
| --- | --- | --- |
| Instagram | 1080 × 1920 | Stories & Reels: 9:16 — full screen vertical, safe zone: center 1080×1420 |
| TikTok | 1080 × 1920 | Feed Video: 9:16 full screen — primary format, always use this |
| Facebook | 1080 × 1920 | Stories: 9:16 — same as Instagram Stories |

## Alternatives

- [Grok Imagine i2v](https://autoadify.com/ai-models/grok-imagine-i2v): xAI Grok Imagine — animate a still image
- [MiniMax H3 i2v](https://autoadify.com/ai-models/minimax-h3-i2v): MiniMax H3 — animate a still image at 2K
- [Happyhorse i2v](https://autoadify.com/ai-models/happyhorse-i2v): Alibaba Happyhorse — animate a still image
- [Veo 3.1 i2v](https://autoadify.com/ai-models/veo-3-1-i2v): Google Veo 3.1 — animate a still image

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_Source: https://autoadify.com/ai-models/runway-gen-4-5-i2v_