FLUX.2 Flex

Black Forest Labs chatvisionimage_gentool_use Free

API ID: black-forest-labs/flux.2-flex

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Input Price
Free
/1M tokens
Output Price
Free
/1M tokens

About FLUX.2 Flex

FLUX.2 Flex is a budget-friendly general-purpose model from Black Forest Labs with standard context (67k), suitable for conversations, content creation, and general AI tasks.

🏆
Price Ranking
#1 lowest price among 950 Chat models — Top 20% cheapest!

Model Specifications

Context Length
67k
Max Output
—
Release Date
2025-11-25
Capabilities
chat vision image_gen tool_use
Input Modalities
textimage
Output Modalities
image

Best For

  • Image analysis, document understanding, visual Q&A
  • Conversations, content writing, general assistance
🎉

This model is completely free!

No token costs - use it without worrying about API bills.

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Black Forest Labs Model Lineup

Compare all models from Black Forest Labs to find the best fit

Model Input Output Context Capabilities
FLUX.2 Flex Current Free Free 67k chat vision image_gen tool_use
FLUX.2 Max Free Free 47k chat vision image_gen
FLUX.2 Pro Free Free 47k chat vision image_gen
FLUX.2 Klein 4B Free Free 41k chat vision image_gen
View All Black Forest Labs Models →

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🚀 Quick Start

Get started with FLUX.2 Flex API

OpenAI-compatible SDK 
from openai import OpenAI

client = OpenAI(
    base_url="https://api.provider.com/v1",
    api_key="YOUR_API_KEY"
)

response = client.chat.completions.create(
    model="black-forest-labs/flux.2-flex",
    messages=[
        {"role": "user", "content": "Hello!"}
    ]
)
print(response.choices[0].message.content)

Resources

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