Model Comparison

Qwen3 VL 4B (Reasoning)
vs. Solar Pro 2 (Preview) (Reasoning)

Comparing 2 AI models · 0 benchmarks · Alibaba, Upstage

Recommended Pick

Solar Pro 2 (Preview) (Reasoning)2 metric wins

Strongest on: Reasoning, Intelligence

Best Reasoning

Solar Pro 2 (Preview) (Reasoning)

9.1 reasoning score

Blends available reasoning benchmarks

Differences That Matter

Reasoning gap

Solar Pro 2 (Preview) (Reasoning) leads Qwen3 VL 4B (Reasoning) by 2.1 points on reasoning.

Top-pick rationale

Solar Pro 2 (Preview) (Reasoning) wins 2 measurable categories, including Reasoning, Intelligence.

Live compare

Response Face-Off

Run one prompt through the selected models and compare response quality with live speed and cost context.

10 comparisons left in 24h

Qwen3 VL 4B (Reasoning)

Alibaba

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Solar Pro 2 (Preview) (Reasoning)

Upstage

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Which answer was more useful?

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Full Comparison

Metric	Al Qwen3 VL 4B (Reasoning) Alibaba	Top Pick Up Solar Pro 2 (Preview) (Reasoning) Upstage
Pricing per 1M tokens
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Output Cost	—	—
Specifications
Organization	Alibaba	Upstage
Release Date	Oct 14, 2025	May 20, 2025
Performance & Speed
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Composite Indices
Reasoning Score	7.0	9.1
Intelligence	7.0	9.1

Key Takeaways

Solar Pro 2 (Preview) (Reasoning) has the strongest reasoning profile with a 9.1 reasoning score,combining the available reasoning-heavy benchmarks.

All models support context windows of ∞+ tokens,suitable for processing lengthy documents and maintaining extended conversations.