FLUX.3 Video for social media
Black Forest Labs' FLUX.3 text to video at 1080p, with optional sound. Tagged for B-roll: high-quality motion for Reels, TikToks and Shorts.
At a glance
- Type
- Video
- Lab
- Black Forest Labs
- Available on
- Team plan and above
- Cost
- High, for its type
- Clip lengths
- 5, 10, 15 seconds
- Sound
- Sound in the same pass, when you ask for it
- Best for
- B-roll
One of 80+ AI models in Autoadify, the AI agent for social media. No Black Forest Labs account, no API key: every model is in one subscription, and you choose the model for each generation.
What to make with FLUX.3 Video
The social media jobs FLUX.3 Video is a good pick for, and where each one gets posted.
Reel backgrounds
Motion behind on-screen text, so a tip or a quote becomes a reel.
Product motion
Product turns, close-ups and texture shots for a launch.
Pick FLUX.3 Video when
You want premium 1080p B-roll.
How to use FLUX.3 Video in Autoadify
The same model, wherever you work: ask the AI agent, automate it in a social media AI workflow, or generate it yourself in AI Studio.
AI agent for social media
Ask in plain words and name the model. The agent writes, generates and builds the schedule, and stops for your approval before anything is published.
“Create a vertical reel clip of our product on a sunlit table with FLUX.3 Video, and write the TikTok caption.”
Learn moreSocial media AI workflow
Add a "Video" step, choose FLUX.3 Video, and the workflow runs on a schedule or on a new store product, then publishes or saves a draft.
Learn moreAI Studio
Pick FLUX.3 Video from the model picker, write your prompt and generate. Switch models and run the same prompt again to compare.
Learn moreWhere the clip goes
Vertical 9:16 is the native shape for short video on most platforms.
| Platform | Spec | Note |
|---|---|---|
| 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 |
| 1080 × 1920 | Stories: 9:16 — same as Instagram Stories |
Every size, for every platform: social media image sizes
Alternatives to FLUX.3 Video
Switching models costs nothing but a click — try the same prompt on two and keep the better result.
Veo 3.1Google Veo 3.1 — flagship cinematic AI video
Veo 3.1 FastVeo 3.1 at faster speed — strong quality, cheaper
Veo 3.1 LiteVeo 3.1 Lite — cheapest tier, high-volume friendly
Grok Imagine VideoxAI text-to-video
37 models are tagged for b-roll. See every AI model for social media
FLUX.3 Video for social media: questions
What is FLUX.3 Video best for on social media?+
Black Forest Labs' FLUX.3 text to video at 1080p, with optional sound. Tagged for B-roll: high-quality motion for Reels, TikToks and Shorts. Pick it when: you want premium 1080p B-roll.
Do I need a Black Forest Labs account or API key to use FLUX.3 Video?+
No. FLUX.3 Video is one of 80+ AI models for social media included in one Autoadify subscription. There is no Black Forest Labs account to open, no API key to paste and no separate bill.
Which Autoadify plan includes FLUX.3 Video?+
Team plan and above. Autoadify is free to start, with no card required.
Can the AI agent for social media use FLUX.3 Video?+
Yes. Name the model in your request — for example, "Create a vertical reel clip of our product on a sunlit table with FLUX.3 Video, and write the TikTok caption." — and Autoadify's AI agent uses FLUX.3 Video for that step. If a model can't do what you asked, the agent says so rather than quietly switching to another one. Nothing is published without your approval.
Can I use FLUX.3 Video in a social media AI workflow?+
Yes. Add a "Video" step to an AI Workflow and choose FLUX.3 Video as its model. The workflow runs on a schedule or when a new Shopify or WooCommerce product appears, and publishes to your connected accounts or saves drafts for review.
How long are FLUX.3 Video clips?+
5, 10, 15 seconds — you choose per generation. Every option fits Instagram Reels, TikTok and YouTube Shorts.
Does FLUX.3 Video generate sound?+
Sound in the same pass, when you ask for it.
FLUX.3 Video and 80+ more AI models, one social media tool
An AI agent for social media, social media AI workflows and AI Studio, posting to Instagram, TikTok, LinkedIn, X, Facebook, YouTube, Threads and more. Free to start.