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 $0.1 / 1M input and $0.1 / 1M output. A 12B parameter rectified flow transformer from Black Forest Labs for text-to-image generation, released for research and development use.
| Specifications | |
|---|---|
black-forest-labs-flux-1-dev | |
| Language | |
| Active | |
| Black Forest Labs | |
| 4K tokens | |
| 4K tokens | |
| Text | |
| Text | |
| 12,674 | |
| 681,490 | |
| 29,643,489 | |
| Benchmarks | |
|---|---|
| Elo Rating | 1029#234 |
Capabilities
Input1/5
Text✓
Image·
Audio·
Video·
PDF·
Output1/5
Text✓
Image·
Audio·
Video·
Embedding·
Capabilities0/13
Reasoning·
Adaptive Reasoning·
Function Calling·
Parallel Function Calling·
Structured Outputs·
Native JSON Schema·
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching·
Assistant Prefill·
Pricing by Provider
US Dollar ($)
Per 1M tokens
| Provider | Standard | |
|---|---|---|
| Input $ / 1M | Output $ / 1M | |
| $0.1 | $0.1 | |
Cost Calculator
US Dollar ($)
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 |