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o1 vs Step3-VL-10B

Step3-VL-10B leads the LLM Stats Score 26.1 to 21.1.

OpenAI · StepFun · Updated for 2026

Which is better?

Step3-VL-10B leads the overall LLM Stats Score 26.1 to 21.1, ranking #143 overall.

In the 2 individual benchmarks reported for both models, Step3-VL-10B wins 2; this is a narrower head-to-head signal than the composite indexes.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose o1

  • you want predictable pricing at $15.00/M input and $60.00/M output

Choose Step3-VL-10B

  • overall performance matters — it scores 26.1 and ranks #143 on LLM Stats
  • your work emphasizes reasoning — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 2 of 2 exact shared results
  • you want the most recent training data — it shipped Jan 2026
  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Core performance indexes
21.1
#182
26.1
#143
21.4
#171
25.9
#140
Cost, coverage & limits
Benchmark wins
0 of 2
2 of 2
Input price
$15.00 / M
— / M
Output price
$60.00 / M
— / M
Context window
200,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

3 shared
Index
o1
Step3-VL-10B
24.1#114
23.9#121
13.0#96
17.1#81
16.9#76
20.9#63
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

19 reported for o1 · 6 for Step3-VL-10B

2 shared

o1 outperforms in 0 benchmarks, while Step3-VL-10B is better at 2 benchmarks (MathVista, MMMU).

Step3-VL-10B significantly outperforms across most benchmarks.

Sat Sep 05 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Context Window

Maximum input and output token capacity

Only o1 specifies input context (200,000 tokens). Only o1 specifies output context (100,000 tokens).

OpenAI
o1
Input200,000 tokens
Output100,000 tokens
StepFun
Step3-VL-10B
Input- tokens
Output- tokens
Sat Sep 05 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Step3-VL-10B supports multimodal inputs, whereas o1 does not.

Step3-VL-10B can handle both text and other forms of data like images, making it suitable for multimodal applications.

o1

Text
Images
Audio
Video

Step3-VL-10B

Text
Images
Audio
Video

License

Usage and distribution terms

o1 is licensed under a proprietary license, while Step3-VL-10B uses Apache 2.0.

License differences may affect how you can use these models in commercial or open-source projects.

o1

Proprietary

Closed source

Step3-VL-10B

Apache 2.0

Open weights

Release Timeline

When each model was launched

o1 was released on 2024-12-17, while Step3-VL-10B was released on 2026-01-15.

Step3-VL-10B is 13 months newer than o1.

o1

Dec 17, 2024

1.7 years ago

Step3-VL-10B

Jan 15, 2026

7 months ago

1.1yr newer

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Judge for yourself.

Run your own prompts against o1 and Step3-VL-10B side-by-side, then vote on the output you prefer.

o1
✓ Preferred
Step3-VL-10B
Open in Playground

FAQ

Common questions about o1 vs Step3-VL-10B.

Which is better, o1 or Step3-VL-10B?

Step3-VL-10B leads the LLM Stats Score 26.1 to 21.1. o1 is made by OpenAI and Step3-VL-10B is made by StepFun. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does o1 compare to Step3-VL-10B in benchmarks?

o1 scores GSM8k: 97.1%, MATH: 96.4%, GPQA Physics: 92.8%, MMLU: 91.8%, MGSM: 89.3%. Step3-VL-10B scores MMBench: 91.8%, AIME 2025: 87.7%, MathVista: 84.0%, MMMU: 78.1%, MathVision: 70.8%.

What are the context window sizes for o1 and Step3-VL-10B?

o1 supports 200K tokens and Step3-VL-10B supports an unknown number of tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between o1 and Step3-VL-10B?

Key differences include LLM Stats Score (21.1 vs 26.1), multimodal support (no vs yes), licensing (Proprietary vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.

Who makes o1 and Step3-VL-10B?

o1 is developed by OpenAI and Step3-VL-10B is developed by StepFun.