Flux 3 Video
Black Forest Labs's Flux 3 Video: text to video and image to video, up to fhd, with sound.
flux-3-videoGet API keyPricing per second of video
| Resolution | Per second |
|---|---|
| draft | $0.06lowest6 credits |
| fhd | $0.2929 credits |
| hd | $0.1717 credits |
| v2v-draft | $0.1212 credits |
| v2v-fhd | $0.5353 credits |
| v2v-hd | $0.4141 credits |
Billed in credits per second of video (100 credits = $1, rounded up to a whole credit). Charged once, only for the route that succeeds. Failed attempts cost $0.00.
Request
# 1. Submit a generation and keep its id (a refusal prints {"error": {"message": ...}})
RESP=$(curl -s https://api.revana.si/v1/generations \
-H "Authorization: Bearer $REVANA_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "flux-3-video",
"input": {
"prompt": "A slow dolly shot through a neon-lit night market in the rain, steam rising from food stalls",
"resolution": "draft",
"duration": 5,
"audio": true
}
}')
echo "$RESP"
ID=$(echo "$RESP" | jq -r .id)
# 2. Poll it until status is "succeeded" or "failed" (a failed one has error.message)
curl -s https://api.revana.si/v1/generations/$ID \
-H "Authorization: Bearer $REVANA_API_KEY"
# 3. Download the file once it has succeeded
curl -L https://api.revana.si/v1/generations/$ID/content \
-H "Authorization: Bearer $REVANA_API_KEY" \
-o out.mp4Set REVANA_API_KEY to your key. Full reference in the quickstart.
Options
flux-3-video1 route
One route today. If it fails you are not charged.
About the Flux 3 Video API
How much does the Flux 3 Video API cost?
Flux 3 Video costs from $0.06 per second of video on Revana (draft: $0.06; fhd: $0.29; hd: $0.17; v2v-draft: $0.12; v2v-fhd: $0.53; v2v-hd: $0.41). You pay in prepaid credits, 100 credits to the dollar, with no subscription or monthly minimum. A generation that fails costs nothing.
How do I call Flux 3 Video from code?
Send POST https://api.revana.si/v1/generations with {"model": "flux-3-video", "input": {...}} and your Revana API key as a Bearer token, poll GET /v1/generations/{id} until it succeeds, then download GET /v1/generations/{id}/content. Every model on Revana takes the same request shape.
What happens if a Flux 3 Video generation fails?
You are charged once, only for the route that delivers. A failed generation costs $0.00.
What can Flux 3 Video do on Revana?
Flux 3 Video supports text to video and image to video, resolutions draft, hd, fhd, durations 5 to 20 seconds and generated audio. A value it does not offer is refused with 422 before anything is charged.
Can my AI agent use Flux 3 Video?
Yes. Connect the Revana MCP server (https://revana.si/api/mcp) to Claude, ChatGPT, Cursor or Codex, or have the agent call the REST API. The agent can list models, get a free quote and generate on your credits.
Compare with similar models
- Flux 2 Pro Black Forest Labs, from $0.03 per image
- Flux 2 Flex Black Forest Labs, from $0.05 per image
- Flux 2 Max Black Forest Labs, from $0.07 per image
- Flux 3 Black Forest Labs, from $0.05 per image
- Flux Kontext Max Black Forest Labs, from $0.07 per image
- Flux Kontext Pro Black Forest Labs, from $0.04 per image
Also as markdown for agents. Every model and price: models.json.