Flux SRPO API

flux/srpo
FLUX.1 Srpo generates high-resolution images from text prompts, with a key strength in rendering exceptional detail and maintaining style accuracy.
Output
$0.0325 / MP (variable)

How to use Flux SRPO API

Install any OpenAI-compatible SDK, point it at api.aimlapi.com/v1, and set the model to flux/srpo.
import requests

r = requests.post(
    "https://api.aimlapi.com/v1/images/generations",
    headers={"Authorization": "Bearer " + AIMLAPI_KEY},
    json={
      "model": "flux/srpo",
      "prompt": "A cat holding a sign that says hello"
    },
)
print(r.json())
const r = await fetch("https://api.aimlapi.com/v1/images/generations", {
  method: "POST",
  headers: {
    Authorization: `Bearer ${process.env.AIMLAPI_KEY}`,
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
    "model": "flux/srpo",
    "prompt": "A cat holding a sign that says hello"
  }),
});
console.log(await r.json());
curl -X POST https://api.aimlapi.com/v1/images/generations \
  -H "Authorization: Bearer $AIMLAPI_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"flux/srpo","prompt":"A cat holding a sign that says hello"}'

OpenAI-compatible — swap the base URL and it works with your existing SDK.

Flux SRPO API Pricing

TypePrice
Output
$0.0325 / MP (variable)

Flux SRPO Benchmarks

BenchmarkScoreWhat it measuresSourceRetrieved
Text-to-Image Arena
866
Human preference Elo from blind pairwise comparisons of generated images, measured independently by Artificial AnalysisSourceSeptember 21, 2026

Flux SRPO vs other models

ModelInputOutputContextBest for
Flux SRPO
This page
$0.0325 / MP (variable)
Image generation at scale
$0.325 / 1M tokens
$78 / 1M tokens
128K tokens
Image generation at scale
$6.5 / 1M tokens
$39 / 1M tokens
Image generation at scale
Image generation at scale
$0.0195 / MP (variable)
Image generation at scale

Frequently asked questions

Flux SRPO takes image, text as input and returns image.

Flux SRPO is priced at $0.0325 / MP (variable).

Flux SRPO is billed per generation — a fixed charge per output rather than by prompt length.

Yes, Flux SRPO accepts image input as well as a text prompt.

Flux SRPO was built by Black Forest Labs.

Send a request to https://api.aimlapi.com/v1/images/generations with flux/srpo as the model id.

Yes. Flux SRPO is served through AI/ML API, so the same key and endpoint format used for other models applies.

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