black-forest-labs/FLUX-2-klein-4b
black-forest-labs/flux-2-klein-4b
The fastest model of the Flux 2 family. Frontier visual intelligence — state-of-the-art image generation and editing from Black Forest Labs
- Modalities
- TextImage
- Price
- $0.017 / image
- Modality
- Image
- Released
- Jan 20, 2026
One model id, the best provider every call
Request black-forest-labs/flux-2-klein-4b and NeuralRouter scores every provider below on price, latency and health, then routes each request to the best fit — with automatic failover and unified billing.
Providers(1)
| Provider | Price | Status | |
|---|---|---|---|
DeepInfradeepinfra/black-forest-labs/FLUX-2-klein-4b | $0.017 / image | healthy | paymentsCheapest |
Effective pricing
Best price shown (from DeepInfra). Each provider's full rate is in the table above — you always pay the provider the router picks.
Performance
Fastest provider responds in 708 ms to first token. Time-series charts build up as the probe runs on a schedule.
Benchmarks
No benchmark scores reported for this model by its providers.
Activity
Usage analytics appear here as requests flow through this model.
Call it from any OpenAI client
Point your base URL at NeuralRouter and request this model — we handle provider selection, failover and billing on every call.
# OpenAI-compatible — same SDK, smarter routing curl https://api.neuralrouter.ai/v1/chat/completions \ -H "Authorization: Bearer $NR_KEY" \ -d '{"model":"black-forest-labs/flux-2-klein-4b","messages":[{"role":"user","content":"Hello"}]}'