Sign inGet API Key

Home › Models › FLUX-2-klein-4b

FLUX-2-klein-4b API

2 hosts currently serve FLUX-2-klein-4b through VideoRouter. The lowest price is $0.014 / image (Price) at DeepInfra.

FLUX-2-klein-4b pricing by provider

HostPrice
DeepInfra deepinfra$0.014
Black Forest Labs black-forest-labs$0.014

USD per image, before the 2% platform fee. Bold = cheapest at that tier. — = host does not offer that tier. Built 2026-10-02.

What it costs per batch

At the cheapest current host:

Cheapest host1 image100 images1,000 images
DeepInfra$0.014$1.40$14.00

How to call FLUX-2-klein-4b

Model id: black-forest-labs/flux.2-klein-4b. Preferring the cheapest host right now:

curl https://videorouter.sh/api/v1/images \
  -H "Authorization: Bearer $VIDEOROUTER_API_KEY" -H "Content-Type: application/json" \
  -d '{"model": "black-forest-labs/flux.2-klein-4b/deepinfra", "prompt": "a red panda astronaut floating in space"}'

Drop the host suffix (black-forest-labs/flux.2-klein-4b) to let the router pick the cheapest healthy host and fail over automatically. Full examples in the quickstart.

Frequently asked questions

How much does the FLUX-2-klein-4b API cost?

The lowest current price is $0.014 / image (Price) at DeepInfra; the full host-by-host table is on this page, before VideoRouter's 2% platform fee.

What is the FLUX-2-klein-4b API model id?

Use black-forest-labs/flux.2-klein-4b. Add a host suffix such as black-forest-labs/flux.2-klein-4b/deepinfra to pin a specific provider.

Which provider is cheapest for FLUX-2-klein-4b?

Right now DeepInfra at Price. Prices change, so unpinned requests route to the cheapest healthy host instead of hard-coding one.

Related models

Open FLUX-2-klein-4b on VideoRouter Get an API key