Model ID
Use with the Workers AI binding, the AI Gateway REST API, or the Unified API.
Calling the provider directly? Use the provider's model name instead, including with provider-native endpoints or the provider's own SDK. For example, Anthropic's name for anthropic/claude-opus-4.8 is claude-opus-4-8.
- Third-party
FLUX 3 Video is Black Forest Labs' video generation model. It generates video from a text prompt (t2v), animates one or more reference images (i2v), or continues an existing clip (v2v), with synchronized audio, up to fhd resolution, and 5-20 second durations.
| Model Info | |
|---|---|
| Terms and License | link ↗ |
| More information | link ↗ |
| Pricing |
|
const response = await env.AI.run(
'black-forest-labs/flux-3-video',
{
mode: 't2v',
prompt:
'A cozy ramen shop on a rainy Tokyo night, steam rising from the broth. Rain patter and quiet kitchen sounds.',
resolution: 'hd',
duration: 5,
generate_audio: true,
},
)
console.log(response)curl https://api.cloudflare.com/client/v4/accounts/$CLOUDFLARE_ACCOUNT_ID/ai/run \
--header "Authorization: Bearer $CLOUDFLARE_API_TOKEN" \
--header "Content-Type: application/json" \
--data '{
"model": "black-forest-labs/flux-3-video",
"input": {
"mode": "t2v",
"prompt": "A cozy ramen shop on a rainy Tokyo night, steam rising from the broth. Rain patter and quiet kitchen sounds.",
"resolution": "hd",
"duration": 5,
"generate_audio": true
}
}'{
"state": "Completed",
"result": {
"video": "https://examples.aig.cloudflare.com/black-forest-labs/flux-3-video/text-to-video.mp4"
},
"gatewayMetadata": {
"keySource": "Unified"
}
}▶Option 1{}
object
▶Option 2{}
object
▶Option 3{}
object
video
stringformat: uriSigned URL to the generated mp4 (24fps, with audio by default). Expires ~2 hours after ready — download promptly.draft_cache
stringDraft-mode cache bundle URL, only present for draft: true requests.