Black Forest Labs
FLUX 3 Extend Change a video pricing
black-forest-labs/flux-3/video-extend
FLUX 3 continues a clip by 5 to 20 seconds, with sound.
From, per second
$0.41
✦01 · Pricing
What it costs
Per second, and what a single clip comes to at each length. These are computed rather than multiplied out, so the minimum billed unit and any cap are already applied.
| Tier | per second | 5s clip | 13s clip | 20s clip |
|---|---|---|---|---|
| 720p | $0.41 | $2.05 | $5.33 | $8.20 |
| 1080p | $0.53 | $2.65 | $6.89 | $10.60 |
- Duration
- 5 to 20 seconds
✦02 · Capabilities
What it accepts
Aspect ratio
Framing is a parameter.
Resolution tiers
Priced per tier.
Audio
Included at no extra cost.
Negative prompt
No negative prompt parameter.
Fixed durations
Any whole number of seconds in range.
Aspect ratios (7)
21:92:116:94:31:13:49:16
✦04 · Alternatives
Others in this lane
A clip you have goes in and a changed one comes out: edited from a prompt, extended, lip-synced, dubbed, given sound, reframed, upscaled, or with its background or an object taken out. Most bill per second of the clip or audio that goes in.