Replace Background

image

MODALITIES

image

PER IMAGE

$0.040

Replace Background (bria/replace-background) is a image model from Bria. Pricing via AIgateway: $0.040 per image. Call it via https://api.aigateway.sh/v1/images/generations — set model="bria/replace-background".

model · bria/replace-background

Use this model

model: bria/replace-background

curl https://api.aigateway.sh/v1/images/generations \
  -H "Authorization: Bearer $AIGATEWAY_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"bria/replace-background","prompt":"a serene cyberpunk city at dusk"}'

curl https://api.aigateway.sh/v1/images/generations \ -H "Authorization: Bearer $AIGATEWAY_API_KEY" \ -H "Content-Type: application/json" \ -d '{"model":"bria/replace-background","prompt":"a cyberpunk cat"}'

Capabilities

Pricing

Per image$0.040

You pay pass-through pricing.

See API example →Compare API reference See usage ranking →

Collections

More image models →More from Bria →Frontier models →Free-tier models →

API schema

Call Replace Background from any OpenAI SDK

POST https://api.aigateway.sh/v1/images/generations·Content-Type: application/json·Auth: Bearer sk-aig-...

Request body

json

{
  "model": "bria/replace-background",
  "prompt": "A cyberpunk cat at sunset, cinematic lighting",
  "n": 1,
  "size": "1024x1024",
  "response_format": "url"   // or "b64_json"
}

Response

json

{
  "created": 1776947082,
  "data": [
    { "url": "https://media.aigateway.sh/img/abc123.png" }
    // or { "b64_json": "iVBORw0KGgoAAAANSUhEU..." }
  ]
}

Quickstart

from openai import OpenAI
client = OpenAI(base_url="https://api.aigateway.sh/v1", api_key="sk-aig-...")

r = client.images.generate(
    model="bria/replace-background",
    prompt="a cyberpunk cat at sunset",
    size="1024x1024",
)
print(r.data[0].url)

Errors

401authentication_errorInvalid or missing API key

402insufficient_creditsWallet empty (PAYG only)

404not_foundUnknown model or endpoint

429rate_limit_errorOver per-minute limit — see Retry-After header

500server_errorUpstream provider failed (retryable)

503service_unavailableUpstream saturated (retryable)

Full docs →API reference →OpenAPI spec →llms.txt →

Frequently asked questions

What is Replace Background?

Generate professional, eCommerce-ready product shots by replacing backgrounds with realistic lighting and accurate perspective from a simple text prompt. Trained exclusively on licensed data for safe commercial use. It is a image model from Bria, accessible via AIgateway's OpenAI-compatible API at slug bria/replace-background.

How much does Replace Background cost via AIgateway?

$0.0400 per image, billed pass-through.

How do I call Replace Background from my code?

Point the OpenAI SDK at https://api.aigateway.sh/v1 with your AIgateway key and set model to "bria/replace-background". The request and response shapes match OpenAI exactly.

Does Replace Background support streaming, tool calling, vision, and JSON mode?

Streaming — no. Tool calling — no. Vision — no. JSON mode — no. Prompt caching — no.

Can I bring my own Bria API key (BYOK)?

Yes. Attach a Bria key in your AIgateway dashboard and this model flips to pass-through — you pay Bria directly and AIgateway adds no platform fee on those calls.