Qwen 2.5 72B Turbo vs FLUX.1 Dev

Compare Qwen 2.5 72B Turbo and FLUX.1 Dev: 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 2.5 72B Turbo FLUX.1 Dev
CategoryOpen SourceImage
Parameters72B12B
Context Window128KN/A
Input Price$0.04/1M tokens$0.003/image/1M tokens
Output Price$0.08/1M tokensN/A/1M tokens
Latency~300ms~3s

Choose Qwen 2.5 72B Turbo when:

  • ✓ Pan-India apps
  • ✓ Multilingual Q&A
  • ✓ Content generation
Key Strengths:

Strong Asian languages, Good reasoning, Fast inference

Choose FLUX.1 Dev when:

  • ✓ Custom styles
  • ✓ Fine-tuned imagery
  • ✓ Development
Key Strengths:

Fine-tunable, Good quality, Open weights

Verdict: Qwen 2.5 72B Turbo vs FLUX.1 Dev

For cost efficiency, FLUX.1 Dev wins at $0.003/image/1M input tokens. For speed, Qwen 2.5 72B Turbo is faster at ~300ms. Qwen 2.5 72B Turbo excels at Pan-India apps while FLUX.1 Dev is better for Custom styles. 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 2.5 72B Turbo costs $0.04/1M input tokens and $0.08/1M output tokens. FLUX.1 Dev costs $0.003/image input and N/A output. FLUX.1 Dev is 13.3x cheaper on input tokens. XALEN offers batch processing at 50% discount on both models.

Performance & Context

Qwen 2.5 72B Turbo has a 128K context window with ~300ms latency. FLUX.1 Dev offers N/A context at ~3s. Qwen 2.5 72B Turbo has the larger context window.

Best For

Qwen 2.5 72B Turbo (Open Source) is optimized for: Pan-India apps, Multilingual Q&A, Content generation. FLUX.1 Dev (Image) works best for: Custom styles, Fine-tuned imagery, Development.

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 2.5 72B Turbo
response_a = client.chat.completions.create(
    model="qwen-2-5-72b-turbo",
    messages=[{"role": "user", "content": "Your question here"}]
)

# Use FLUX.1 Dev
response_b = client.chat.completions.create(
    model="flux-1-dev",
    messages=[{"role": "user", "content": "Your question here"}]
)

Start Building with XALEN

200+ AI models. One API. Pay-as-you-go.

Get API Key Try in Playground

Frequently Asked Questions

Which is better, Qwen 2.5 72B Turbo or FLUX.1 Dev?

Qwen 2.5 72B Turbo (Open Source, 72B) offers Strong Asian languages. FLUX.1 Dev (Image, 12B) offers Fine-tunable. Choose Qwen 2.5 72B Turbo for Pan-India apps or FLUX.1 Dev for Custom styles.

How much does Qwen 2.5 72B Turbo cost vs FLUX.1 Dev?

Qwen 2.5 72B Turbo: $0.04/1M input, $0.08/1M output. FLUX.1 Dev: $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 2.5 72B Turbo and FLUX.1 Dev 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.