FLUX.1 Dev
FLUX.1 Dev is Black Forest Labs's language model with a 4K context window and up to 4K output tokens, starting at $0.100 / 1M input and $0.100 / 1M output. A 12B parameter rectified flow transformer from Black Forest Labs for text-to-image generation, released for research and development use.
black-forest-labs-flux-1-dev |
| Language |
| Active |
| Black Forest Labs |
| 4K tokens |
| 4K tokens |
| Text |
| Text |
| 12,674 |
| 681,490 |
| 29,643,489 |
| Benchmarks | |
|---|---|
| Elo Rating | 1033#207 |
Capabilities
Input1/5
Text✓
Image·
Audio·
Video·
PDF·
Output1/5
Text✓
Image·
Audio·
Video·
Embedding·
Capabilities0/13
Reasoning·
Adaptive Reasoning·
Function Calling·
Parallel Function Calling·
Structured Outputs·
Native JSON Schema·
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching·
Assistant Prefill·
Pricing by Provider
| Provider | Standard | |
|---|---|---|
| Input $ / 1M | Output $ / 1M | |
 Fireworks AI | $0.100 | $0.100 |
Cost Calculator
Preset:
Versions
| Version | Released | Context | Input / 1M | Output / 1M | Status |
|---|---|---|---|---|---|
| FLUX 2 Dev | — | — | — | — | Available |
| FLUX 2 Dev Flash | — | — | — | — | Available |
| FLUX 2 Dev Turbo | — | — | — | — | Available |
| FLUX 2 Flex | — | — | — | — | Available |
| FLUX 2 Max | — | 67K | — | — | Available |
| FLUX Klein 2 4B | — | — | — | — | Available |
| FLUX Klein 2 4B Base | — | — | — | — | Available |
| FLUX Klein 2 9B | — | — | — | — | Available |
| FLUX Klein 2 9B Base | — | — | — | — | Available |
| FLUX.1 Fill Pro | — | — | — | Available | |
| FLUX.1 Dev | — | 4K | $0.100 | $0.100 | Current |