StepFun
Step 3.7 Flash
Step 3.7 Flash is an open-weights 148B-parameter model by StepFun. It holds an Intelligence score of 78.8 on the local.ai leaderboard (2026-08 snapshot).
open weights
78.8
local.ai Intelligence
Parameters
148B
Benchmarks (local.ai snapshot)
HuggingFace metadata · updated 2026-06-03
Metadata refreshed from the HuggingFace API (snapshot 2026-08-15T15:53:42.405Z). Context length and long-form descriptions are the next pipeline stage.
Does it fit your hardware?
Detect or select your GPU first. Green = weights + context headroom, yellow = tight, grey = does not fit.
Q4_K_M 85.8GQ6_K 133.2GQ8_0 162.8GFP16 296G| Quantization | ≈ File size | Note |
|---|---|---|
| IQ2_XXS | 40 GB | Extreme compression, largest quality loss |
| IQ3_XXS | 53.3 GB | Very small |
| Q3_K_M | 68.1 GB | Small |
| NVFP4 | 74 GB | NVIDIA 4-bit |
| Q4_K_S | 79.9 GB | Common |
| Q4_K_M | 85.8 GB | Most common sweet spot |
| Q5_K_M | 112.5 GB | Balanced |
| Q6_K | 133.2 GB | Near-lossless |
| Q8_0 | 162.8 GB | Near-lossless |
| FP16 | 296 GB | Original weights |
Actual files on HuggingFace
| File | Size |
|---|---|
| model-00006.safetensors | 17.35 GB |
| model-00008.safetensors | 17.35 GB |
| model-00010.safetensors | 17.35 GB |
| model-00012.safetensors | 17.35 GB |
| model-00014.safetensors | 17.35 GB |
| model-00016.safetensors | 17.35 GB |
GGUF: unsloth/Step-3.7-Flash-GGUF · 131,204 downloads
| File | Size | |
|---|---|---|
| BF16/Step-3.7-Flash-BF16-00001-of-00008.gguf | 44.64 GB | download |
| BF16/Step-3.7-Flash-BF16-00002-of-00008.gguf | 46.07 GB | download |
| BF16/Step-3.7-Flash-BF16-00003-of-00008.gguf | 46.13 GB | download |
| BF16/Step-3.7-Flash-BF16-00004-of-00008.gguf | 46.36 GB | download |
| BF16/Step-3.7-Flash-BF16-00005-of-00008.gguf | 46.07 GB | download |
| BF16/Step-3.7-Flash-BF16-00006-of-00008.gguf | 46.13 GB | download |
| BF16/Step-3.7-Flash-BF16-00007-of-00008.gguf | 46.36 GB | download |
| BF16/Step-3.7-Flash-BF16-00008-of-00008.gguf | 45.22 GB | download |
| MXFP4_MOE/Step-3.7-Flash-MXFP4_MOE-00001-of-00004.gguf | 0.00 GB | download |
| MXFP4_MOE/Step-3.7-Flash-MXFP4_MOE-00002-of-00004.gguf | 45.71 GB | download |
| MXFP4_MOE/Step-3.7-Flash-MXFP4_MOE-00003-of-00004.gguf | 46.47 GB | download |
| MXFP4_MOE/Step-3.7-Flash-MXFP4_MOE-00004-of-00004.gguf | 17.95 GB | download |
GGUF: stepfun-ai/Step-3.7-Flash-GGUF · 24,597 downloads
| File | Size | |
|---|---|---|
| BF16/Step3.7-flash-bf16-00001-of-00009.gguf | 41.59 GB | download |
| BF16/Step3.7-flash-bf16-00002-of-00009.gguf | 43.31 GB | download |
| BF16/Step3.7-flash-bf16-00003-of-00009.gguf | 43.25 GB | download |
| BF16/Step3.7-flash-bf16-00004-of-00009.gguf | 43.31 GB | download |
| BF16/Step3.7-flash-bf16-00005-of-00009.gguf | 43.31 GB | download |
| BF16/Step3.7-flash-bf16-00006-of-00009.gguf | 43.31 GB | download |
| BF16/Step3.7-flash-bf16-00007-of-00009.gguf | 43.25 GB | download |
| BF16/Step3.7-flash-bf16-00008-of-00009.gguf | 43.31 GB | download |
| BF16/Step3.7-flash-bf16-00009-of-00009.gguf | 22.30 GB | download |
| IQ3_XXS/Step-3.7-flash-IQ3_XXS-00001-of-00002.gguf | 43.44 GB | download |
| IQ3_XXS/Step-3.7-flash-IQ3_XXS-00002-of-00002.gguf | 27.11 GB | download |
| IQ4_XS/Step-3.7-flash-IQ4_XS-00001-of-00003.gguf | 43.29 GB | download |
What you save self-hosting this model
Uses the model's own API price when it exists; otherwise the closest commercial equivalent.
Waiting for hardware detection…
RunLocal presents third-party leaderboard data (local.ai / Exo Labs, 2026-08) with its own fit and cost estimates. Verify pricing, licenses and file sizes at the source before deploying a model.