Flux 3 API

Flux 3 is a text to video, image to video and first and last frame to video model by Black Forest Labs, available on the Venice API as flux-3-text-to-video. Requests are anonymized, so the provider never sees your identity.

Flux 3 API pricing

Model ID	Variant	Privacy	Price
`flux-3-text-to-video`	Text to video	Anonymized	from $0.19 per second
`flux-3-image-to-video`	Image to video	Anonymized	from $0.19 per second
`flux-3-first-last-frame-to-video`	First & last frame	Anonymized	from $0.19 per second

Clip prices for flux-3-text-to-video with audio:

Duration	720p	1080p
5s	$0.94	$1.60
10s	$1.87	$3.19
15s	$2.81	$4.79
20s	$3.74	$6.38

Flux 3 specifications

Spec	Value
Provider	Black Forest Labs
Released	Aug 4, 2026
Privacy	Anonymized
Modes	text to video, image to video and first and last frame to video
Resolutions	720p, 1080p
Durations	5s, 10s, 15s, 20s
Aspect ratios	auto, 21:9, 16:9, 4:3, 1:1, 3:4, 9:16, 9:21
Audio	Always generated

How to use the Flux 3 API

Send requests to POST https://api.venice.ai/api/v1/video/queue with "model": "flux-3-text-to-video" and your API key.

# 1. Queue the job (returns a queue_id)
curl https://api.venice.ai/api/v1/video/queue \
  -H "Authorization: Bearer $VENICE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "flux-3-text-to-video",
    "prompt": "Slow aerial drone shot over a misty mountain valley at golden hour",
    "duration": "5s",
    "resolution": "720p",
    "aspect_ratio": "auto"
  }'

# 2. Poll until the MP4 is ready
curl https://api.venice.ai/api/v1/video/retrieve \
  -H "Authorization: Bearer $VENICE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{ "model": "flux-3-text-to-video", "queue_id": "<queue_id>" }' --output video.mp4

Flux 3 API FAQ

How much does the Flux 3 API cost?

From

0.19 to

0.32 per second of video, depending on resolution, duration and audio. A 5-second 720p clip with audio costs $0.94. Call POST /video/quote for the exact price before queueing. Prices are in USD and can be paid in DIEM at parity.

What is the Flux 3 model ID?

Use flux-3-text-to-video as the model parameter. Other variants: flux-3-image-to-video (Image to video), flux-3-first-last-frame-to-video (First & last frame).

Is the Flux 3 API private?

Flux 3 is anonymized: Venice forwards requests to the provider without your identity, but the provider may retain prompt data, so use a private model for sensitive work.

What resolutions and durations does Flux 3 support?

Resolutions: 720p, 1080p. Durations: 5s, 10s, 15s, 20s. Aspect ratios: auto, 21:9, 16:9, 4:3, 1:1, 3:4, 9:16, 9:21. Audio: always generated.

Which endpoint does the Flux 3 API use?

Queue a job with POST /video/queue, then poll /video/retrieve for the result.

Related models

MiniMax H3 Enhanced API: from $0.10 per second
Seedance 2.5 API: from $0.17 per second
Wan 3.0 API: from $0.05 per second
MiniMax H3 API: from $0.10 per second

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