FLUX Klein 2 9B Base is Black Forest Labs's image generation model. The base variant of the 9B FLUX Klein 2 model, providing a foundation for image generation and editing without instruction fine-tuning.
| Specifications | |
|---|---|
black-forest-labs-flux-klein-2-9b-base | |
| Image Generation | |
| Active | |
| Text | |
| Image | |
| 9B | |
| Benchmarks | |
|---|---|
| Elo Rating | #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·
Cheapest Instances to Run It
Cloud GPU instances that can host FLUX Klein 2 9B Base, ranked by cheapest on-demand price. The model needs about 22 GB of GPU memory at FP16 precision (estimated from its parameter count), so treat the fit as guidance rather than a guarantee.
All clouds
FP16 (full precision)
US Dollar ($)
Instance | Cloud | GPU | VRAM | Price | Cheapest region | |
|---|---|---|---|---|---|---|
| g2-standard-4 | nvidia-l4 | 24 GB | $0.705/hr | |||
| g6.xlarge | L4 | 22 GB | $0.805/hr | |||
| g2-standard-8 | nvidia-l4 | 24 GB | $0.851/hr | |||
Versions
| Version | Released | Context | Input / 1M | Output / 1M | Status |
|---|---|---|---|---|---|
| FLUX 3 Video | — | — | — | Available | |
| FLUX Klein 2 4B | — | — | — | Available | |
| FLUX Klein 2 9B | — | — | — | Available | |
| FLUX 2 Max | 67K | — | — | Available | |
| FLUX 2 Flex | — | — | — | Available | |
| FLUX Klein 2 9B Base | — | — | — | — | Current |
| FLUX 2 Dev | — | — | — | — | Available |
| FLUX 2 Dev Flash | — | — | — | — | Available |
| FLUX 2 Dev Turbo | — | — | — | — | Available |
| FLUX 2 Small Decoder | — | — | — | — | Available |
| FLUX Klein 2 4B Base | — | — | — | — | Available |