Model API

FLUX.3 Video

FLUX.3 is Black Forest Labs' frontier audio/video model. Generate fast, low-cost draft previews from a text prompt, with a reusable draft cache for full-quality enhancement.

Model id

Use this in every request
blackforestlabs/flux-3/text-to-video/draft

This model has other modes with their own ids: blackforestlabs/flux-3/edit-video, blackforestlabs/flux-3/extend-video, blackforestlabs/flux-3/extend-video/draft, blackforestlabs/flux-3/first-last-frame-to-video, blackforestlabs/flux-3/first-last-frame-to-video/draft, blackforestlabs/flux-3/image-to-video/draft, blackforestlabs/flux-3/keyframes-to-video, blackforestlabs/flux-3/keyframes-to-video/draft, blackforestlabs/flux-3/text-to-video.

Run it

Quote the input, start the generation with the quote, then poll the job. Set RAYWAKE_API_KEY first; see Authentication.

# 1. Price the exact input (quotes are valid for up to 10 minutes)
curl -s https://api.raywake.com/v1/quotes \
  -H "Authorization: Bearer $RAYWAKE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "blackforestlabs/flux-3/text-to-video/draft",
  "input": {
    "prompt": "A red ceramic cup on a wooden table, soft morning light"
  }
}'

# 2. Start the generation with the quote_id from step 1
curl -s https://api.raywake.com/v1/generate \
  -H "Authorization: Bearer $RAYWAKE_API_KEY" \
  -H "Content-Type: application/json" \
  -H "Idempotency-Key: $(uuidgen)" \
  -d '{"model": "blackforestlabs/flux-3/text-to-video/draft", "quote_id": "QUOTE_ID", "input": {"prompt":"A red ceramic cup on a wooden table, soft morning light"}}'

# 3. Poll until the status is terminal
curl -s https://api.raywake.com/v1/jobs/JOB_ID \
  -H "Authorization: Bearer $RAYWAKE_API_KEY"

Input

Input fields for blackforestlabs/flux-3/text-to-video/draft
NameTypeDescription
promptrequiredstring
The text prompt describing the draft video.
aspect_ratiostring (enum)
Aspect ratio of the generated draft. `auto` lets the model choose.

Default: auto

One of: auto, 21:9, 2:1, 16:9, 4:3, 1:1, 3:4, 9:16

durationenum
Draft duration in whole seconds from 5 through 20, or `auto`.

Default: auto

One of: auto, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20

generate_audioboolean
Whether to generate audio for the draft video.

Default: true

safety_toleranceinteger
The safety tolerance level for the generated video. 0 is the strictest and 4 is the most permissive.

Default: 2

Output

A succeeded job lists its results under outputs, stored on our side. See Jobs for every field.

Job excerpt
"outputs": [
  { "type": "video", "url": "https://…", "mime_type": "video/mp4", "thumbnail_url": "https://…" }
]

Pricing

  • per second$0.0951/ second

The exact charge for your input comes from a quote. How charges settle