- Output
- $0.014
- per image
Providers
Ranked by price and speed. Requests go to the best healthy provider, then fail over down the list.| # | Provider | Output |
|---|---|---|
| 1 | Data policy not declared | $0.014/image |
Price history
No price changes since Oct 25, 2026.
- DeepInfra$0.014/image
Questions
How much does Black Forest Labs: FLUX.2 Klein 4B cost?
Black Forest Labs: FLUX.2 Klein 4B costs $0.014 per image at DeepInfra, the provider requests go to first.
Do providers train on my prompts?
Each provider declares it, and the table above shows every declaration. You can limit a request to providers that keep nothing, or to providers in the EU.
Similar models
Call it
import os
from openai import OpenAI
client = OpenAI(
base_url="https://api.llm.buzz/api/v1",
api_key=os.environ["LLM_BUZZ_KEY"],
)
image = client.images.generate(
model="black-forest-labs/flux.2-klein-4b",
prompt="A bee on a lavender flower",
)import OpenAI from "openai";
const client = new OpenAI({
baseURL: "https://api.llm.buzz/api/v1",
apiKey: process.env.LLM_BUZZ_KEY,
});
const image = await client.images.generate({
model: "black-forest-labs/flux.2-klein-4b",
prompt: "A bee on a lavender flower",
});curl https://api.llm.buzz/api/v1/images/generations \
-H "Authorization: Bearer $LLM_BUZZ_KEY" \
-H "Content-Type: application/json" \
-d '{"model": "black-forest-labs/flux.2-klein-4b", "prompt": "A bee on a lavender flower"}'Endpoints
POST /api/v1/images/generationsPOST /api/v1/imagesAuthentication
Send your llm.buzz key as a Bearer token: Authorization: Bearer $LLM_BUZZ_KEY. Create keys in the console. The same key calls every model; each request pays the price of the provider that answered it.
More in Authentication and the API reference.
README
FLUX.2 [klein] 4B is the fastest and most cost-effective model in the FLUX.2 family, optimized for high-throughput use cases while maintaining excellent image quality.
- Model ID
- black-forest-labs/flux.2-klein-4b
- Takes
- Text
- Answers
- Image
- Weights
- Closed
- On llm.buzz since
- Oct 25, 2026
Call Black Forest Labs: FLUX.2 Klein 4B with one keyEach request pays the price of the provider that answered it.