Qwen 3 4B vs FLUX.1 Schnell

Compare Qwen 3 4B and FLUX.1 Schnell: 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 FLUX.1 Schnell
CategoryCompactImage
Parameters4B12B
Context Window128KN/A
Input Price$0.006/1M tokens$0.003/image/1M tokens
Output Price$0.012/1M tokensN/A/1M tokens
Latency~50ms~2s

Choose Qwen 3 4B when:

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

Ultra-compact, Mobile-ready, Low cost

Choose FLUX.1 Schnell when:

  • ✓ Temple social media
  • ✓ Devotional artwork
  • ✓ Marketing imagery
Key Strengths:

Fast generation, High quality, Good spiritual imagery

Verdict: Qwen 3 4B vs FLUX.1 Schnell

For cost efficiency, FLUX.1 Schnell wins at $0.003/image/1M input tokens. For speed, FLUX.1 Schnell is faster at ~2s. Qwen 3 4B excels at Mobile apps while FLUX.1 Schnell is better for Temple social media. 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. FLUX.1 Schnell costs $0.003/image input and N/A output. FLUX.1 Schnell is 2.0x 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. FLUX.1 Schnell offers N/A context at ~2s. Qwen 3 4B has the larger context window.

Best For

Qwen 3 4B (Compact) is optimized for: Mobile apps, Intent detection, Preprocessing. FLUX.1 Schnell (Image) works best for: Temple social media, Devotional artwork, Marketing imagery.

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 FLUX.1 Schnell
response_b = client.chat.completions.create(
    model="flux-1-schnell",
    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 FLUX.1 Schnell?

Qwen 3 4B (Compact, 4B) offers Ultra-compact. FLUX.1 Schnell (Image, 12B) offers Fast generation. Choose Qwen 3 4B for Mobile apps or FLUX.1 Schnell for Temple social media.

How much does Qwen 3 4B cost vs FLUX.1 Schnell?

Qwen 3 4B: $0.006/1M input, $0.012/1M output. FLUX.1 Schnell: $0.003/image/1M input, N/A/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 FLUX.1 Schnell 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.