Step-1o Vision 32K (High Res)
StepFunProprietary
Step-1o Vision 32K (High Res) is a vision-language model from StepFun. It ranks 127 of 167 on LMArena’s overall vision board with 1122±13 from 2,833 votes. License: Proprietary.
Key figures
- Developer
- StepFun
- License
- Proprietary
- First seen (our snapshots)
- 2026-10-26
No data: OCR, Diagrams, Homework, Captioning, Entity recognition, Creative writing, Humor, Chinese.
Who it suits
- Overall #127 of 167: lower half; consider it mainly for cost or deployment reasons.
- Proprietary; used through StepFun’s apps or API.
Neighbours on the overall board
| # | Model | Score | Votes | License | Δ vs this model |
|---|---|---|---|---|---|
| 124 |  GPT-4o (2024-05-13) OpenAI | 1137 | 23,273 | Proprietary | +15 |
| 125 |  Mistral Small 3.1 24B Instruct (2503) Mistral | 1136 | 28,490 | Apache 2.0 | +14 |
| 126 |  Claude 3.5 Sonnet (20241022) Anthropic | 1126 | 10,374 | Proprietary | +4 |
| 127 | SStep-1o Vision 32K (High Res) StepFun | 1122 | 2,833 | Proprietary | |
| 128 | Claude 3.5 Sonnet (20240620) Anthropic | 1120 | 21,624 | Proprietary | -2 |
| 129 |  Llama 4 Scout 17B 16E Instruct Meta | 1118 | 6,446 | Llama | -4 |
| 130 |  Qwen2.5-VL-72B-Instruct Alibaba | 1107 | 3,768 | Qwen | -15 |
Alternatives · More from StepFun
| # | Model | Score | Votes | License |
|---|---|---|---|---|
| 49 | SStep 5 Preview StepFun | 1265 | 1,649 | Proprietary |
| 102 | SStep-1o Turbo (202506) StepFun | 1186 | 1,895 | Proprietary |
| 106 | SStep-3 StepFun | 1176 | 3,193 | Apache 2.0 |
| 142 | SStep-1V 32K StepFun | 1046 | 1,534 | Proprietary |
Alternatives · Top open-weight models
| # | Model | Score | Votes | License |
|---|---|---|---|---|
| 24 |  GLM-5.3-Flash Z.ai | 1294 | 16,254 | MIT |
| 34 |  Kimi K2.6 Moonshot AI | 1282 | 16,368 | Modified MIT |
| 38 |  DeepSeek-V4.1-Flash-20260910 (Max) DeepSeek | 1278 | 4,100 | MIT |
| 39 |  Gemma 4 31B Google | 1276 | 40,219 | Apache 2.0 |
| 44 | Qwen3.8-27B Alibaba | 1269 | 7,614 | Apache 2.0 |
How to read these scores
- If two scores differ by less than their ± intervals, the models are statistically close.
- Each category board is computed independently; do not compare scores across categories.
- Models with few votes move more; ranks of new entries may change.
FAQ
Where does Step-1o Vision 32K (High Res) rank among vision models?
Overall rank 127 (1122); English rank 125 (1147) (LMArena, data as of Oct 26, 2026).
How good is Step-1o Vision 32K (High Res) at OCR?
Step-1o Vision 32K (High Res) is not on LMArena’s OCR board yet, so there is no score to cite.
Is Step-1o Vision 32K (High Res) open-weight?
No. LMArena lists it as Proprietary; it is available through StepFun’s apps or API.
How far is Step-1o Vision 32K (High Res) from #1?
#1 overall is Claude Fable 5 (High) (1325); Step-1o Vision 32K (High Res) has 1122, 203 points behind.
Sources
LMArena data published Oct 19, 2026.
Synced here Oct 26, 2026.
Price, context length and release date have no reliable public data here and are not shown; all figures come from snapshots, blanks are –.