Claude Opus 4 vs Qwen 3 30B

Compare Claude Opus 4 and Qwen 3 30B: 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 Claude Opus 4 Qwen 3 30B
CategoryFrontierOpen Source
Parameters~2T30B
Context Window200K128K
Input Price$0.15/1M tokens$0.03/1M tokens
Output Price$0.75/1M tokens$0.05/1M tokens
Latency~800ms~200ms

Choose Claude Opus 4 when:

  • ✓ Complex counseling
  • ✓ Detailed chart analysis
  • ✓ Enterprise reports
Key Strengths:

Deepest reasoning, Exceptional nuance, Best complex analysis

Choose Qwen 3 30B when:

  • ✓ Cost-sensitive chatbots
  • ✓ Regional apps
  • ✓ Batch
Key Strengths:

Compact, Strong Indic languages, Cost-efficient

Verdict: Claude Opus 4 vs Qwen 3 30B

For cost efficiency, Qwen 3 30B wins at $0.03/1M input tokens. For speed, Qwen 3 30B is faster at ~200ms. Claude Opus 4 excels at Complex counseling while Qwen 3 30B is better for Cost-sensitive chatbots. Both are available on XALEN through a single API — try them in the Playground to see which fits your workload.

Detailed Analysis

Pricing Comparison

Claude Opus 4 costs $0.15/1M input tokens and $0.75/1M output tokens. Qwen 3 30B costs $0.03 input and $0.05 output. Qwen 3 30B is 5.0x cheaper on input tokens. XALEN offers batch processing at 50% discount on both models.

Performance & Context

Claude Opus 4 has a 200K context window with ~800ms latency. Qwen 3 30B offers 128K context at ~200ms. Claude Opus 4 has the larger context window.

Best For

Claude Opus 4 (Frontier) is optimized for: Complex counseling, Detailed chart analysis, Enterprise reports. Qwen 3 30B (Open Source) works best for: Cost-sensitive chatbots, Regional apps, Batch.

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 Claude Opus 4
response_a = client.chat.completions.create(
    model="claude-opus-4",
    messages=[{"role": "user", "content": "Your question here"}]
)

# Use Qwen 3 30B
response_b = client.chat.completions.create(
    model="qwen-3-30b",
    messages=[{"role": "user", "content": "Your question here"}]
)

Start Building with XALEN

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Get API Key Try in Playground

Frequently Asked Questions

Which is better, Claude Opus 4 or Qwen 3 30B?

Claude Opus 4 (Frontier, ~2T) offers Deepest reasoning. Qwen 3 30B (Open Source, 30B) offers Compact. Choose Claude Opus 4 for Complex counseling or Qwen 3 30B for Cost-sensitive chatbots.

How much does Claude Opus 4 cost vs Qwen 3 30B?

Claude Opus 4: $0.15/1M input, $0.75/1M output. Qwen 3 30B: $0.03/1M input, $0.05/1M 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 Claude Opus 4 and Qwen 3 30B 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.