Step-3.5-Flash
stepfun-ai/Step-3.5-Flash
Tracked by OpenModelStats since September 8, 2026View on Hugging Face ↗
- Downloads 30DRolling recent-window download count as reported by the source platform.
- 215.4K
- Total downloadsCumulative all-time download counter reported by the source platform.
- 1.7M
- Gained 7DIncrease in cumulative total downloads between OpenModelStats' own observations seven days apart.
- +50K(increase)
- 3.3%(up) vs baseline
- Gained 30DIncrease in cumulative total downloads between OpenModelStats' own observations roughly thirty days apart.
- —
- LikesCommunity likes reported by the source platform.
- 838
- +2 in 7D
- Rank · tracked modelsPosition among all eligible models tracked by OpenModelStats, ordered by recent downloads. #355 among tracked Text Generation models.
- #1,459
- 18(up 18 places)this week
- Parameters
- 199B
- Last source update
- Mar 17, 2026
- MomentumOpenModelStats' composite rising-model signal (0–100): a percentile blend of absolute 7-day download gains, capped percentage growth, and likes gained. See Methodology.
- 90.9
- Step-3.5-Flash gained 50K downloads during the last seven tracked days.
- It moved from #365 to #355 among tracked Text Generation models this week.
Downloads over time
Cumulative total downloads observed by OpenModelStatsLikes over time
Rank among tracked models
Lower is betterOverview
Step-3.5-Flash is a text generation model published by stepfun-ai. OpenModelStats has tracked the model since Sep 8, 2026, most recently observing it 9h ago.
- Published
- Feb 1, 2026
- Last updated
- Mar 17, 2026
- Library
- transformers
- License
- apache-2.0
- Task
- Text Generation
- Parameters
- 199,384,301,376
- Spaces
- —
- Derivative models
- 1
- Velocity 7D/day
- 7,147
transformerssafetensorsstep3p5text-generationconversationalcustom_codearxiv:2602.10604arxiv:2601.05593arxiv:2507.19427license:apache-2.0eval-resultsregion:us
Model family
Based on base-model relationships reported by the source's metadata.
Derivative models
Similar models
| Model | DL 30D |
|---|---|
| Step-3.5-Flash-FP8stepfun-ai | 1,475 |
| Step-3.5-Flash-Basestepfun-ai | 424 |
| keys-MiMo-V2.6-Pro-MOPD-Jarrelscy-ARVQ-hybrid21drowzeys | 431 |
| Ornith-1.5-397B-NVFP4ornith-ai | 410.4K |
| MiMo-V2.6-Flash-RL-MLX-REAP37-mixed-GPTQ-MTPtacodevs | 491 |
| DeepSeek-V4-Flash-0731-REAP0xSero | 1,108 |