Flux.2 Flex
Free right now
Image generation
New
Flux.2 Flex is a image generation model. It is currently free at 1 provider with up to 32K tokens of context.
- Context
- 32K tokens
- Type
- Image generation
- Free since
- September 26, 2026
Where to use Flux.2 Flex for free
Each row is a separate free endpoint with its own limits.
Quick start
curl https://api.unorouter.com/v1/chat/completions \
-H "Authorization: Bearer $UNOROUTER_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "flux.2-flex:free",
"messages": [{"role": "user", "content": "Hello!"}]
}'from openai import OpenAI
client = OpenAI(
base_url="https://api.unorouter.com/v1",
api_key="YOUR_UNOROUTER_API_KEY",
)
reply = client.chat.completions.create(
model="flux.2-flex:free",
messages=[{"role": "user", "content": "Hello!"}],
)
print(reply.choices[0].message.content)import OpenAI from "openai";
const client = new OpenAI({
baseURL: "https://api.unorouter.com/v1",
apiKey: process.env.UNOROUTER_API_KEY,
});
const reply = await client.chat.completions.create({
model: "flux.2-flex:free",
messages: [{ role: "user", content: "Hello!" }],
});
console.log(reply.choices[0].message.content);Example for UnoRouter. Any OpenAI-compatible client works: Cursor, Cline, OpenCode, Open WebUI.
Benchmarks
This model is not on the Artificial Analysis leaderboard yet. We do not publish our own estimates.
FAQ
Is Flux.2 Flex free?
Yes. As of September 26, 2026, Flux.2 Flex is free at UnoRouter. Each provider has its own limits — see the table above.
What is the context window of Flux.2 Flex?
The largest context among free routes is 32,000 tokens. Some providers cap it lower.
How do I call Flux.2 Flex via API?
Use any OpenAI-compatible client with base URL https://api.unorouter.com/v1, model ID flux.2-flex:free, and a UnoRouter key.