FLUX 3 Image Klein
Image generation
flux-3-image-klein
$0.009 per image
fal’s post-trained, low-latency edition of Black Forest Labs’ FLUX 3 Video, with native audio. Call it through fal’s queue API, e.g. fal.subscribe("blackforestlabs/flux-3-max/text-to-video", { input: { prompt, duration, aspect_ratio, generate_audio } }).
Model idblackforestlabs/flux-3-max/text-to-video
Price$0.0425 per second 720p
Checked25 October 2026
No newer video generation model in our registry yet.
3 ways to use FLUX 3 Max, with the model id each provider expects.
| Provider | Model id | Endpoint | Docs |
|---|---|---|---|
| fal | blackforestlabs/flux-3-max/text-to-video |
fal.ai | |
| fal | blackforestlabs/flux-3-max/image-to-video |
fal.ai | |
| fal | blackforestlabs/flux-3-max/keyframes-to-video |
fal.ai |
| Per second 720p | $0.0425 |
|---|---|
| Per second 1080p | $0.0725 |
As published: “USD per second of output video on fal, 75% launch discount (Oct 15 - Nov 7, 2026); list price after Nov 7: 0.17/s 720p, 0.29/s 1080p. Text-to-video and image-to-video same rate”.
Source: fal.ai, checked 25 October 2026.
What its maker marketed at launch, and what people found later, each with its source.
fal says a 10 s 720p clip takes about 12.45 s, versus 126.44 s for FLUX 3 and 277.80 s for Seedance 2.5 (fal’s own measurement).
Not a separate BFL tier: fal Research post-trained BFL’s FLUX 3 Video with BFL for prompt adherence and lower latency; +50 Elo over FLUX 3 on AA image-to-video per fal.
Up to ten images placed at chosen frame indexes, with a prompt describing the motion between them; 5-20 s, 720p or 1080p, audio on by default.
Artificial Analysis text-to-video leaderboard (read 2026-10-25): #6, Elo 1155, listed as ‘FLUX 3 Max (720p)’ via fal; AA price 2.55 USD per minute (= fal promo 0.0425/s at 720p). Distinct from flux-3 (BFL’s own FLUX 3 Video, AA t2v #8, Elo 1145, BFL API flux-3-video). Announced by fal on X 2026-10-19 (444k views by 2026-10-25); fal’s pricing page dates the promo from Oct 15. Not seen on BFL’s own API or pricing page, nor on OpenRouter; served only by fal as far as checked. No timeline entry.
Artificial Analysis text-to-video (with audio) leaderboard, read 2026-10-25: rank 6, Elo 1155 (https://artificialanalysis.ai/video/leaderboard/text-to-video). See also the base model, FLUX 3 (model id flux-3).
Sources: https://fal.ai/flux-3-max · https://fal.ai/models/blackforestlabs/flux-3-max/text-to-video · https://fal.ai/models/blackforestlabs/flux-3-max/keyframes-to-video · https://x.com/fal/status/2112251022047412492