Qwen 2.5 72B Turbo vs Perplexity Sonar Pro
Compare Qwen 2.5 72B Turbo and Perplexity Sonar 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 2.5 72B Turbo | Perplexity Sonar Pro |
|---|---|---|
| Category | Open Source | Search |
| Parameters | 72B | ~200B |
| Context Window | 128K | 200K |
| Input Price | $0.04/1M tokens | $0.003/1M tokens |
| Output Price | $0.08/1M tokens | $0.015/1M tokens |
| Latency | ~300ms | ~600ms |
Choose Qwen 2.5 72B Turbo when:
- ✓ Pan-India apps
- ✓ Multilingual Q&A
- ✓ Content generation
Strong Asian languages, Good reasoning, Fast inference
Choose Perplexity Sonar Pro when:
- ✓ Research Q&A
- ✓ Fact-checking
- ✓ Current events
Web-grounded, Auto-citations, Current information
Verdict: Qwen 2.5 72B Turbo vs Perplexity Sonar Pro
For cost efficiency, Perplexity Sonar Pro wins at $0.003/1M input tokens. For speed, Qwen 2.5 72B Turbo is faster at ~300ms. Qwen 2.5 72B Turbo excels at Pan-India apps while Perplexity Sonar Pro is better for Research Q&A. 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. Perplexity Sonar Pro costs $0.003 input and $0.015 output. Perplexity Sonar Pro 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. Perplexity Sonar Pro offers 200K context at ~600ms. Perplexity Sonar Pro 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. Perplexity Sonar Pro (Search) works best for: Research Q&A, Fact-checking, Current events.
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 Perplexity Sonar Pro
response_b = client.chat.completions.create(
model="perplexity-sonar-pro",
messages=[{"role": "user", "content": "Your question here"}]
)Frequently Asked Questions
Which is better, Qwen 2.5 72B Turbo or Perplexity Sonar Pro?
Qwen 2.5 72B Turbo (Open Source, 72B) offers Strong Asian languages. Perplexity Sonar Pro (Search, ~200B) offers Web-grounded. Choose Qwen 2.5 72B Turbo for Pan-India apps or Perplexity Sonar Pro for Research Q&A.
How much does Qwen 2.5 72B Turbo cost vs Perplexity Sonar Pro?
Qwen 2.5 72B Turbo: $0.04/1M input, $0.08/1M output. Perplexity Sonar Pro: $0.003/1M input, $0.015/1M 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 Perplexity Sonar 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.