Model Comparison

Qwen3.5 4B (Non-reasoning)
vs. Qwen3 8B (Non-reasoning)

Comparing 2 AI models · 12 benchmarks · Alibaba

Recommended Pick

Alibaba logoQwen3.5 4B (Non-reasoning)15 metric wins

Strongest on: Value, Input price, Output price

Best Value

Alibaba logo

Qwen3.5 4B (Non-reasoning)

100.0 value score

31.6 reasoning / $0.06/1M

Lowest Price

Alibaba logo

Qwen3.5 4B (Non-reasoning)

$0.03/1M input price

Best Reasoning

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Qwen3.5 4B (Non-reasoning)

31.6 reasoning score

Blends available reasoning benchmarks

Best for Coding

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Qwen3.5 4B (Non-reasoning)

20.3 coding index

Composite Indices

Higher is better; speed and price are normalized

Standard Benchmarks

Only benchmarks with data are shown

Differences That Matter

Best value

Qwen3.5 4B (Non-reasoning) has the strongest quality-to-price mix at 100.0 out of 100 value points.

Price gap

Qwen3.5 4B (Non-reasoning) is 6.0x cheaper on input tokens than Qwen3 8B (Non-reasoning).

Speed gap

Qwen3 8B (Non-reasoning) generates about 2.2x as many tokens per second as Qwen3.5 4B (Non-reasoning).

Reasoning gap

Qwen3.5 4B (Non-reasoning) leads Qwen3 8B (Non-reasoning) by 1.7 points on reasoning.

Top-pick rationale

Qwen3.5 4B (Non-reasoning) wins 15 measurable categories, including Value, Input price, Output price, Blended price.

Live compare

Response Face-Off

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

Alibaba logo

Qwen3.5 4B (Non-reasoning)

Alibaba

Waiting

TTFT

Time

tok/s

Tokens

Cost

Waiting
Alibaba logo

Qwen3 8B (Non-reasoning)

Alibaba

Waiting

TTFT

Time

tok/s

Tokens

Cost

Waiting

Which answer was more useful?

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Full Comparison

Metric
Top Pick
Alibaba logoQwen3.5 4B (Non-reasoning)
Alibaba
Alibaba logoQwen3 8B (Non-reasoning)
Alibaba
Pricing per 1M tokens
Input Cost$0.03/1M$0.18/1M
Output Cost$0.15/1M$0.70/1M
Blended (3:1)$0.06/1M$0.31/1M
Specifications
OrganizationAlibabaAlibaba
Release DateMar 2, 2026Apr 28, 2025
Performance & Speed
Throughput27.1 tok/s60.3 tok/s
TTFT430ms1407ms
Latency430ms1407ms
Composite Indices
Value Score100.018.3
Reasoning Score31.629.8
Intelligence16.05.1
Coding20.3
Math24.3
Standard Benchmarks
GPQA71.2%45.2%
MMLU Pro64.3%
HLE7.5%2.8%
LiveCodeBench20.2%
MATH 50082.8%
AIME 202524.3%
AIME (Original)24.3%
SciCode18.3%16.8%
LCR28.3%0.0%
IFBench33.3%28.6%
TAU-bench v287.7%24.9%
TerminalBench Hard11.4%2.3%

Key Takeaways

Qwen3.5 4B (Non-reasoning) offers the best value at $0.03/1M,making it ideal for high-volume applications and cost-conscious projects.

Qwen3.5 4B (Non-reasoning) has the strongest reasoning profile with a 31.6 reasoning score,combining the available reasoning-heavy benchmarks.

Qwen3.5 4B (Non-reasoning) reaches a 20.3 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

Qwen3.5 4B (Non-reasoning)

  • Cost-sensitive applications
  • High-volume processing
  • Complex reasoning tasks
  • Research & analysis
  • Code generation
  • Software development
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Qwen3 8B (Non-reasoning)

  • General-purpose AI
  • Versatile applications