NVIDIA · current

FLUX.2 Klein 4B

FLUX.2 Klein 4B is attributed to NVIDIA in the catalog. It accepts text and image input and produces image output.

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Report an error Model and price history

Modalities

Token rates

Unavailable

No recent paired token rate available

Context

—

Released

2026-01-15

Knowledge cutoff

Jun 2025

Where to use it

3 observed offerings · token prices in USD per million where available

Estimate your workload cost

NEAR AI Cloud

black-forest-labs/FLUX.2-klein-4B

current

Input

Output

Cache

—

Context

—

Max output

—

Reasoning: No
Tool calling: No
Structured output: Unknown
Temperature: No

Historical price

Nvidia

black-forest-labs/flux_2-klein-4b

current

Input

Output

Cache

—

Context

—

Max output

—

Reasoning: No
Tool calling: No
Structured output: Unknown
Temperature: No

Recent price

Vercel AI Gateway

bfl/flux-2-klein-4b

current

Input

—

Output

—

Cache

—

Context

—

Max output

—

Reasoning: No
Tool calling: No
Structured output: Unknown
Temperature: No

Price unavailable

Limits and capabilities reflect each provider’s listed offering. Unknown means support was not reported.

Provider / API ID	Status	Context	Max output	Input	Output	Cache read	Reasoning	Tools	Structured	Temperature
NEAR AI Cloud black-forest-labs/FLUX.2-klein-4B	currentHistorical price	—	—	$1	$1	—	No	No	Unknown	No
Nvidia black-forest-labs/flux_2-klein-4b	currentRecent price	—	—	$0	$0	—	No	No	Unknown	No
Vercel AI Gateway bfl/flux-2-klein-4b	currentPrice unavailable	—	—	—	—	—	No	No	Unknown	No

Capabilities and limits

Input: text, image
Output: image
Max output: Unknown
Weights: Open (source-reported)
Release: 2026-01-15
Knowledge cutoff: Jun 2025
Family: flux

Vision

Provider-specific limits and support can differ.

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Model and price history

Latest recorded change: source refresh · 2026-10-29

Model changes (2)

source refresh · 2026-10-29

{
  "before": {
    "input_modalities": [
      "text"
    ],
    "supports_attachments": false
  },
  "after": {
    "input_modalities": [
      "text",
      "image"
    ],
    "supports_attachments": true
  }
}

source refresh · 2026-10-21

{
  "before": {
    "model_type": null
  },
  "after": {
    "model_type": "image"
  }
}

Price history (22 observations)

Date	Provider	Input / output
2026-11-03	Nvidia	$0 / $0
2026-11-02	Nvidia	$0 / $0
2026-11-01	Nvidia	$0 / $0
2026-10-31	Nvidia	$0 / $0
2026-10-30	Nvidia	$0 / $0
2026-10-29	Nvidia	$0 / $0
2026-10-28	Nvidia	$0 / $0
2026-10-27	Nvidia	$0 / $0
2026-10-27	Nvidia	$0 / $0
2026-10-27	Nvidia	$0 / $0
2026-10-27	Nvidia	$0 / $0
2026-10-26	Nvidia	$0 / $0
2026-10-25	Nvidia	$0 / $0
2026-10-24	Nvidia	$0 / $0
2026-10-24	Nvidia	$0 / $0
2026-10-24	Nvidia	$0 / $0
2026-10-23	Nvidia	$0 / $0
2026-10-23	Nvidia	$0 / $0
2026-10-23	Nvidia	$0 / $0
2026-10-23	Nvidia	$0 / $0
2026-10-23	Nvidia	$0 / $0
2026-10-22	Nvidia	$0 / $0