Model Comparison

Qwen3 VL 4B (Reasoning)
vs. Solar Pro 2 (Non-reasoning)

Comparing 2 AI models · 12 benchmarks · Alibaba, Upstage

Recommended Pick

Upstage logo Solar Pro 2 (Non-reasoning) 10 metric wins

Strongest on: Reasoning, Coding, Math

Lowest Price

Alibaba logo

Qwen3 VL 4B (Reasoning)

$0.00/1M input price

Best Reasoning

Upstage logo

Solar Pro 2 (Non-reasoning)

37.6 reasoning score

Blends available reasoning benchmarks

Best for Coding

Upstage logo

Solar Pro 2 (Non-reasoning)

11.3 coding index

Composite Indices

Higher is better; speed and price are normalized

Standard Benchmarks

Only benchmarks with data are shown

Differences That Matter

Reasoning gap

Solar Pro 2 (Non-reasoning) leads Qwen3 VL 4B (Reasoning) by 13.8 points on reasoning.

Coding gap

Solar Pro 2 (Non-reasoning) leads Qwen3 VL 4B (Reasoning) by 4.6 points on coding.

Top-pick rationale

Solar Pro 2 (Non-reasoning) wins 10 measurable categories, including Reasoning, Coding, Math, GPQA.

Live compare

Response Face-Off

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

Alibaba logo

Qwen3 VL 4B (Reasoning)

Alibaba

Waiting

TTFT

Time

tok/s

Tokens

Cost

Waiting
Upstage logo

Solar Pro 2 (Non-reasoning)

Upstage

Waiting

TTFT

Time

tok/s

Tokens

Cost

Waiting

Which answer was more useful?

AI Chat

Chat with 80+ models

Inference API

EU-hosted inference

Full Comparison

Metric
Alibaba logo Qwen3 VL 4B (Reasoning)
Alibaba
Top Pick
Upstage logo Solar Pro 2 (Non-reasoning)
Upstage
Pricing per 1M tokens
Input Cost $0.00/1M$0.00/1M
Output Cost $0.00/1M$0.00/1M
Specifications
Organization AlibabaUpstage
Release Date Oct 14, 2025Jul 9, 2025
Performance & Speed
Throughput
TTFT
Latency
Composite Indices
Reasoning Score 23.837.6
Intelligence 13.713.6
Coding 6.711.3
Math 25.730.0
Standard Benchmarks
GPQA 49.4%56.1%
MMLU Pro 70.0%75.0%
HLE 4.4%3.8%
LiveCodeBench 32.0%42.4%
MATH 500 88.9%
AIME 2025 25.7%30.0%
AIME (Original) 40.7%
SciCode 17.1%24.8%
LCR 21.3%0.0%
IFBench 36.6%33.7%
TAU-bench v2 15.5%31.9%
TerminalBench Hard 1.5%4.5%

Key Takeaways

Qwen3 VL 4B (Reasoning) offers the best value at $0.00/1M, making it ideal for high-volume applications and cost-conscious projects.

Solar Pro 2 (Non-reasoning) has the strongest reasoning profile with a 37.6 reasoning score, combining the available reasoning-heavy benchmarks.

Solar Pro 2 (Non-reasoning) reaches a 11.3 coding index, making it the top choice for software development and code generation tasks.

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

When to Choose Each Model

Alibaba logo

Qwen3 VL 4B (Reasoning)

  • Cost-sensitive applications
  • High-volume processing
Upstage logo

Solar Pro 2 (Non-reasoning)

  • Complex reasoning tasks
  • Research & analysis
  • Code generation
  • Software development