Flux 3 extend video draft

Prompt

The text prompt describing the draft videoRequired · prompt

Video URL

URL or data URI of the source MP4, at most 50 MiBRequired · video_url

Aspect ratio

Aspect ratio of the generated draftOptional · aspect_ratio

Duration

Draft duration in whole seconds from 5 through 20, or `auto`Optional · duration

Safety tolerance

The safety tolerance level for the generated videoOptional · safety_tolerance

Generate audio

Whether to generate audio for the draft videoOptional · generate_audio

Price

$0.12 per second

Billing

The provider’s price, with no markup. Billed for measured usage.

Price checked

7 October 2026

Your agent reads the schema and the price with inspect_tool before it runs the tool.

MCP call

Copy

cURL command

Copy

TypeScript

Copy

Tool ID

Copy

• Bria video background removal green screen despillfal.aiUsage based
• Flux 3 draft enhancefal.aiUsage based
• Flux 3 extend videofal.aiUsage based
• Flux 3 first and last frame to videofal.aiUsage based
• Flux 3 first and last frame to video draftfal.ai$0.06/s
• FLUX 3 image to videofal.aiUsage based
• Flux 3 image to video draftfal.ai$0.06/s
• Flux 3 keyframes to videofal.aiUsage based
• Compare all 93