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GPT-6.1 Sol vs Step3-VL-10B

GPT-6.1 Sol leads the LLM Stats Score 53.6 to 25.2.

OpenAI · StepFun · Updated for 2026

Which is better?

GPT-6.1 Sol leads the overall LLM Stats Score 53.6 to 25.2, ranking #7 overall.

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

Choose GPT-6.1 Sol

  • overall performance matters — it scores 53.6 and ranks #7 on LLM Stats
  • your work emphasizes reasoning — it leads those capability indexes
  • you want the most recent training data — it shipped Sep 2026

Choose Step3-VL-10B

  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

GPT-6.1 Sol
OpenAI
Step3-VL-10B
StepFun
Core performance indexes
LLM Stats Score
53.6
#7
25.2
#182
Reasoning
51.6
#8
25.2
#176
Cost, coverage & limits
Benchmark wins
—
—
Input price
$2.00 / M
— / M
Output price
$10.00 / M
— / M
Context window
1,050,000
—

Capability indexes

Additional strengths measured across groups of related public benchmarks

3 shared
Index
GPT-6.1 Sol
Step3-VL-10B
Math
34.9#48
23.4#139
Vision
35.8#11
16.3#104
Multimodal
35.5#11
19.9#85
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

17 reported for GPT-6.1 Sol · 6 for Step3-VL-10B

No common benchmarks found

GPT-6.1 Sol and Step3-VL-10Bdon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Human preference

Blind head-to-head votes and playground preference scores

Context Window

Maximum input and output token capacity

Only GPT-6.1 Sol specifies input context (1,050,000 tokens). Only GPT-6.1 Sol specifies output context (128,000 tokens).

OpenAI
GPT-6.1 Sol
Input1,050,000 tokens
Output128,000 tokens
StepFun
Step3-VL-10B
Input- tokens
Output- tokens
Fri Oct 23 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both GPT-6.1 Sol and Step3-VL-10B support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

GPT-6.1 Sol

Text
Images
Audio
Video

Step3-VL-10B

Text
Images
Audio
Video

License

Usage and distribution terms

GPT-6.1 Sol 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.

GPT-6.1 Sol

Proprietary

Closed source

Step3-VL-10B

Apache 2.0

Open weights

Release Timeline

When each model was launched

GPT-6.1 Sol was released on 2026-09-29, while Step3-VL-10B was released on 2026-01-15.

GPT-6.1 Sol is 9 months newer than Step3-VL-10B.

GPT-6.1 Sol

Sep 29, 2026

3 weeks ago

8mo newer
Step3-VL-10B

Jan 15, 2026

9 months ago

Knowledge Cutoff

When training data ends

GPT-6.1 Sol has a documented knowledge cutoff of 2026-04-30, while Step3-VL-10B's cutoff date is not specified.

We can confirm GPT-6.1 Sol's training data extends to 2026-04-30, but cannot make a direct comparison without Step3-VL-10B's cutoff date.

GPT-6.1 Sol

Apr 2026

Step3-VL-10B

—

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against GPT-6.1 Sol and Step3-VL-10B side-by-side, then vote on the output you prefer.

GPT-6.1 Sol
✓ Preferred
Step3-VL-10B
Open in Playground

FAQ

Common questions about GPT-6.1 Sol vs Step3-VL-10B.

Which is better, GPT-6.1 Sol or Step3-VL-10B?

GPT-6.1 Sol leads the LLM Stats Score 53.6 to 25.2. GPT-6.1 Sol 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 GPT-6.1 Sol compare to Step3-VL-10B in benchmarks?

GPT-6.1 Sol scores FrontierMath Tier 4 (v2): 100.0%, HealthBench Consensus: 96.0%, MMMU-Pro: 86.0%, DeepSWE 1.1: 75.2%, SimpleQA Verified: 73.9%. 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 GPT-6.1 Sol and Step3-VL-10B?

GPT-6.1 Sol supports 1.1M 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 GPT-6.1 Sol and Step3-VL-10B?

Key differences include LLM Stats Score (53.6 vs 25.2), licensing (Proprietary vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.

Who makes GPT-6.1 Sol and Step3-VL-10B?

GPT-6.1 Sol is developed by OpenAI and Step3-VL-10B is developed by StepFun.

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