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Live · serverless · 2 regions

FLUX.1 [dev]

by Black Forest Labs

A 12B text-to-image model with strong prompt following and legible text, producing a 1024 by 1024 image in about four seconds.

  • image
  • BF16
Serverless priceUSD
Per image
$0.025 / image1024 × 1024, one image

Billed per image, no minimums.

Reference

Specifications

Model ID
flux-1-dev
Endpoint
POST /v1/images/generations
Publisher
Black Forest Labs
Tasks
image
Quantization
BF16
p50 response
4.2 slast 24 hours
Regions
us-east · us-west
Dedicated
On request

Last 24 hours

Latency

Median of each 15-minute step on the shared pool, measured at the API edge, for the whole response: there is no token stream to time.

Response time · s

4.2 smedian

p95 5.6 s

Show the data
Median of each 15-minute step over the last 24 hours, newest first
StepResponse time
15m ago4.4 s
30m ago4.5 s
45m ago4.1 s
1h ago4.4 s
1h 15m ago4.3 s
1h 30m ago4.5 s
1h 45m ago4.5 s
2h ago6.5 s
2h 15m ago4.1 s
2h 30m ago4.3 s
2h 45m ago6.1 s
3h ago4.3 s
3h 15m ago4.2 s
3h 30m ago4.4 s
3h 45m ago4.2 s
4h ago4.4 s
4h 15m ago4.3 s
4h 30m ago4.5 s
4h 45m ago4.4 s
5h ago4.4 s
5h 15m ago4.5 s
5h 30m ago4.3 s
5h 45m ago4.3 s
6h ago4.3 s
6h 15m ago4.3 s
6h 30m ago4.4 s
6h 45m ago4.4 s
7h ago4.4 s
7h 15m ago4.1 s
7h 30m ago4.3 s
7h 45m ago4.1 s
8h ago4.1 s
8h 15m ago4.1 s
8h 30m ago5.8 s
8h 45m ago4 s
9h ago4.2 s
9h 15m ago4.2 s
9h 30m ago4.2 s
9h 45m ago5.8 s
10h ago4.1 s
10h 15m ago4.3 s
10h 30m ago3.9 s
10h 45m ago4 s
11h ago5.6 s
11h 15m ago4.1 s
11h 30m ago4.1 s
11h 45m ago4.1 s
12h ago4 s
12h 15m ago5.2 s
12h 30m ago4.2 s
12h 45m ago4.2 s
13h ago4.2 s
13h 15m ago4.2 s
13h 30m ago5.5 s
13h 45m ago3.9 s
14h ago4.1 s
14h 15m ago4.1 s
14h 30m ago3.9 s
14h 45m ago4.2 s
15h ago4 s
15h 15m ago4.1 s
15h 30m ago3.8 s
15h 45m ago3.9 s
16h ago4 s
16h 15m ago4.1 s
16h 30m ago4.1 s
16h 45m ago4 s
17h ago5.5 s
17h 15m ago3.9 s
17h 30m ago4.1 s
17h 45m ago4.2 s
18h ago4.2 s
18h 15m ago4.1 s
18h 30m ago4.3 s
18h 45m ago4.3 s
19h ago4 s
19h 15m ago5.3 s
19h 30m ago4 s
19h 45m ago5.3 s
20h ago4.2 s
20h 15m ago4.2 s
20h 30m ago4.2 s
20h 45m ago4.2 s
21h ago4.2 s
21h 15m ago4.1 s
21h 30m ago4.2 s
21h 45m ago5.4 s
22h ago4.1 s
22h 15m ago5.5 s
22h 30m ago4.2 s
22h 45m ago4.4 s
23h ago4.1 s
23h 15m ago4.4 s
23h 30m ago4.4 s
23h 45m ago4.1 s
24h ago4.4 s

API

Make a request

The same request shape as every other model on /v1/images/generations. Switching between them is a change to one string.

curl https://api.weir.example/v1/images/generations \
  -H "Authorization: Bearer $WEIR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "flux-1-dev",
    "prompt": "A lighthouse at dusk, flat illustration",
    "size": "1024x1024"
  }'
POST /v1/images/generationsapi.weir.example

Dedicated

Need reserved capacity?

FLUX.1 [dev] runs on the shared serverless pool. Dedicated replicas for it are set up on request, with the same API and the same model ID.

Talk to an engineer

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