falImage to videoComing soon

blackforestlabs/flux-3/image-to-video

blackforestlabs/flux-3/image-to-video is an image to video tool from fal that runs in the background and returns video. Coming soon: listed with its price, not yet open to runs.

This tool is listed but not yet available to run.

Priced by usage

Pricing

duration: 5 $0.5525, 6 $0.663, 7 $0.7735, 8 $0.884, 9 $0.9945, 10 $1.105, 11 $1.2155, 12 $1.326, 13 $1.4365, 14 $1.547, 15 $1.6575, 16 $1.768, 17 $1.8785, 18 $1.989, 19 $2.0995, 20 $2.21, otherwise $2.21 per run. The final charge comes from usage.

Limits

Runs
In the background
Returns
video
Longest queue wait
3600s
Run deadline
3600s
Largest inline input
1024 KB
Largest input file
500 MB
Largest output
4768 MB
Outputs per run
16

Input

FieldKindDefaultDescription
prompt requiredtext—The text prompt describing the video you want to generate.
aspect_ratioone of
auto, 21:9, 2:1, 16:9, 4:3, 1:1, 3:4, 9:16
autoAspect ratio of the generated video. `auto` lets the model choose.
resolutionone of
720p, 1080p, 1440p, 2160p
720pResolution of the generated video. `1080p`, `1440p` (2K) and `2160p` (4K) are finished by the video upsampler; exact dimensions depend on the aspect ratio.
durationone of
auto, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20
autoDuration of the generated video in seconds. `auto` lets the model choose.
generate_audiotrue or falsetrueWhether to generate audio for the video.
safety_tolerancenumber (whole)
0 to 4
2The safety tolerance level for the generated video. 0 is the strictest and 4 is the most permissive.
image_url requiredURL or file—URL of the image the video starts from (PNG, JPEG, or WebP).

Same request in code

curl https://api.spiral.ai/v1/runs \
  -H "Authorization: Bearer $SPIRAL_API_KEY" \
  -H "Content-Type: application/json" \
  -H "Idempotency-Key: $(uuidgen)" \
  -d '{
    "provider": "fal",
    "model": "blackforestlabs/flux-3/image-to-video",
    "input": {
      "prompt": "A red panda walks along a mossy log in a sunlit forest, one continuous unbroken shot. Ambient birdsong and rustling leaves.",
      "image_url": "https://storage.googleapis.com/falserverless/example_inputs/veo31_i2v_input.jpg"
    }
  }'