Qwen 3 4B vs FLUX 1.1 Pro
Compare Qwen 3 4B and FLUX 1.1 Pro: pricing, performance, context window, latency, and best use cases. Side-by-side comparison on XALEN.
Updated 2026-05-21 · By Abhishek Raj · Our methodology
| Feature | Qwen 3 4B | FLUX 1.1 Pro |
|---|---|---|
| Category | Compact | Image |
| Parameters | 4B | 24B |
| Context Window | 128K | N/A |
| Input Price | $0.006/1M tokens | $0.05/image/1M tokens |
| Output Price | $0.012/1M tokens | N/A/1M tokens |
| Latency | ~50ms | ~4s |
Choose Qwen 3 4B when:
- ✓ Mobile apps
- ✓ Intent detection
- ✓ Preprocessing
Ultra-compact, Mobile-ready, Low cost
Choose FLUX 1.1 Pro when:
- ✓ Premium marketing
- ✓ Temple artwork
- ✓ Product photography
Highest quality, Best prompt adherence, Professional grade
Verdict: Qwen 3 4B vs FLUX 1.1 Pro
For cost efficiency, Qwen 3 4B wins at $0.006/1M input tokens. For speed, FLUX 1.1 Pro is faster at ~4s. Qwen 3 4B excels at Mobile apps while FLUX 1.1 Pro is better for Premium marketing. 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 1.1 Pro costs $0.05/image input and N/A output. Qwen 3 4B is 8.3x 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 1.1 Pro offers N/A context at ~4s. Qwen 3 4B has the larger context window.
Best For
Qwen 3 4B (Compact) is optimized for: Mobile apps, Intent detection, Preprocessing. FLUX 1.1 Pro (Image) works best for: Premium marketing, Temple artwork, Product photography.
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 1.1 Pro
response_b = client.chat.completions.create(
model="flux-1-1-pro",
messages=[{"role": "user", "content": "Your question here"}]
)Frequently Asked Questions
Which is better, Qwen 3 4B or FLUX 1.1 Pro?
Qwen 3 4B (Compact, 4B) offers Ultra-compact. FLUX 1.1 Pro (Image, 24B) offers Highest quality. Choose Qwen 3 4B for Mobile apps or FLUX 1.1 Pro for Premium marketing.
How much does Qwen 3 4B cost vs FLUX 1.1 Pro?
Qwen 3 4B: $0.006/1M input, $0.012/1M output. FLUX 1.1 Pro: $0.05/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 1.1 Pro 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.