Qwen 3 4B vs QwQ 32B

Compare Qwen 3 4B and QwQ 32B: pricing, performance, context window, latency, and best use cases. Side-by-side comparison on XALEN.

Updated 2026-05-21 · By Abhishek Raj · Our methodology

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Feature Qwen 3 4B QwQ 32B
CategoryCompactReasoning
Parameters4B32B
Context Window128K128K
Input Price$0.006/1M tokens$0.03/1M tokens
Output Price$0.012/1M tokens$0.06/1M tokens
Latency~50ms~400ms

Choose Qwen 3 4B when:

  • ✓ Mobile apps
  • ✓ Intent detection
  • ✓ Preprocessing
Key Strengths:

Ultra-compact, Mobile-ready, Low cost

Choose QwQ 32B when:

  • ✓ Math reasoning
  • ✓ Logic tasks
  • ✓ Analysis
Key Strengths:

Strong reasoning, Compact for reasoning, Cost-efficient

Verdict: Qwen 3 4B vs QwQ 32B

For cost efficiency, Qwen 3 4B wins at $0.006/1M input tokens. For speed, QwQ 32B is faster at ~400ms. Qwen 3 4B excels at Mobile apps while QwQ 32B is better for Math reasoning. Both are available on XALEN through a single API — try them in the Playground to see which fits your workload.

Detailed Analysis

Pricing Comparison

Qwen 3 4B costs $0.006/1M input tokens and $0.012/1M output tokens. QwQ 32B costs $0.03 input and $0.06 output. Qwen 3 4B is 5.0x cheaper on input tokens. XALEN offers batch processing at 50% discount on both models.

Performance & Context

Qwen 3 4B has a 128K context window with ~50ms latency. QwQ 32B offers 128K context at ~400ms. Both have identical context windows.

Best For

Qwen 3 4B (Compact) is optimized for: Mobile apps, Intent detection, Preprocessing. QwQ 32B (Reasoning) works best for: Math reasoning, Logic tasks, Analysis.

Try Both on XALEN

Both models are available through XALEN's OpenAI-compatible API. Switch between them by changing the model parameter:

from xalen import XALEN

client = XALEN(api_key="xln_test_YOUR_KEY")

# Use Qwen 3 4B
response_a = client.chat.completions.create(
    model="qwen-3-4b",
    messages=[{"role": "user", "content": "Your question here"}]
)

# Use QwQ 32B
response_b = client.chat.completions.create(
    model="qwq-32b",
    messages=[{"role": "user", "content": "Your question here"}]
)

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Get API Key Try in Playground

Frequently Asked Questions

Which is better, Qwen 3 4B or QwQ 32B?

Qwen 3 4B (Compact, 4B) offers Ultra-compact. QwQ 32B (Reasoning, 32B) offers Strong reasoning. Choose Qwen 3 4B for Mobile apps or QwQ 32B for Math reasoning.

How much does Qwen 3 4B cost vs QwQ 32B?

Qwen 3 4B: $0.006/1M input, $0.012/1M output. QwQ 32B: $0.03/1M input, $0.06/1M output. Both available on XALEN with batch processing at 50% discount.

Can I use both models on XALEN?

Yes. XALEN provides 200+ models through a single OpenAI-compatible API. Switch between Qwen 3 4B and QwQ 32B by changing the model parameter. No code changes needed.

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Last updated: 2026-05-21. Pricing and specifications may change. Check pricing page for latest rates.