Vercel AI Gateway
FLUX.2 [klein] 4B
Canonical ID:
vercel/bfl/flux-2-klein-4b
Image model for prompt-driven generation, editing, and visual design workflows
Overview
- Provider
-
Vercel AI Gateway
- Family
- flux
- Release date
- 2026-01-15
- Last updated
- 2026-06-08
- Input modalities
- text
- Output modalities
- image
Pricing and Limits
Token pricing
- Input
- N/A
- Output
- N/A
- Cached input
- N/A
Context and output
- Context window
- 0
- Max output tokens
- 0
- Qualified ID
- vercel/bfl/flux-2-klein-4b
Model Summary
FLUX.2 [klein] 4B is a model listing in the Vercel AI Gateway provider catalog. It is categorized under the flux family.
The model supports text, image modalities across input/output paths. Reported context capacity is 0.
More From Vercel AI Gateway
Related models from the same provider catalog.
Vercel AI Gateway
Apex
vercel/callstack/apex
Vercel AI Gateway
Arrow 1.1
vercel/quiverai/arrow-1.1
Vercel AI Gateway
Arrow 2
vercel/quiverai/arrow-2
Vercel AI Gateway
Arrow 2 Telos
vercel/quiverai/arrow-2-telos
Vercel AI Gateway
Claude 3.5 Sonnet (2024-06-20)
vercel/anthropic/claude-3.5-sonnet-20240620
Vercel AI Gateway
Claude Fable 5
vercel/anthropic/claude-fable-5
Vercel AI Gateway
Claude Fable 5.1
vercel/anthropic/claude-fable-5.1
Vercel AI Gateway
Claude Haiku 3
vercel/anthropic/claude-3-haiku
Same Family: flux
Comparable models in the same family across providers.
| Model | Provider | Context | Input | Output | Flags |
|---|---|---|---|---|---|
|
FLUX.1 [schnell]
digitalocean/fal-ai/flux/schnell
|
DigitalOcean
|
0 | N/A | N/A |
|
|
FLUX.2 [flex]
vercel/bfl/flux-2-flex
|
Vercel AI Gateway
|
0 | N/A | N/A |
|
|
FLUX.2 Klein 4B
nearai/black-forest-labs/FLUX.2-klein-4B
|
NEAR AI Cloud
|
128,000 | $1/1M | $1/1M |
|
|
FLUX.2 Klein 4B
nvidia/black-forest-labs/flux_2-klein-4b
|
Nvidia
|
40,960 | $0/1M | $0/1M |
|
|
FLUX.2 [klein] 9B
vercel/bfl/flux-2-klein-9b
|
Vercel AI Gateway
|
0 | N/A | N/A |
|
|
FLUX.2 [max]
vercel/bfl/flux-2-max
|
Vercel AI Gateway
|
67,300 | N/A | N/A |
|
|
FLUX.2 [pro]
vercel/bfl/flux-2-pro
|
Vercel AI Gateway
|
67,300 | N/A | N/A |
|
|
Flux 3
vercel/bfl/flux-3-video
|
Vercel AI Gateway
|
0 | N/A | N/A |
|
|
FLUX 3 Image
vercel/bfl/flux-3-image
|
Vercel AI Gateway
|
0 | N/A | N/A |
|
|
Flux Schnell
vercel/prodia/flux-fast-schnell
|
Vercel AI Gateway
|
512 | N/A | N/A |
|