Claude Opus 4 vs Llama 4 Maverick

Compare Claude Opus 4 and Llama 4 Maverick: 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 Llama 4 Maverick
CategoryFrontierOpen Source
Parameters~2T400B (17B active)
Context Window200K256K
Input Price$0.15/1M tokens$0.07/1M tokens
Output Price$0.75/1M tokens$0.12/1M tokens
Latency~800ms~450ms

Choose Claude Opus 4 when:

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

Deepest reasoning, Exceptional nuance, Best complex analysis

Choose Llama 4 Maverick when:

  • ✓ Complex analysis
  • ✓ Professional reports
  • ✓ Deep reasoning
Key Strengths:

Superior reasoning, 256K context, Excellent multilingual

Verdict: Claude Opus 4 vs Llama 4 Maverick

For cost efficiency, Llama 4 Maverick wins at $0.07/1M input tokens. For speed, Llama 4 Maverick is faster at ~450ms. Claude Opus 4 excels at Complex counseling while Llama 4 Maverick is better for Complex analysis. 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. Llama 4 Maverick costs $0.07 input and $0.12 output. Llama 4 Maverick is 2.1x 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. Llama 4 Maverick offers 256K context at ~450ms. Llama 4 Maverick has the larger context window.

Best For

Claude Opus 4 (Frontier) is optimized for: Complex counseling, Detailed chart analysis, Enterprise reports. Llama 4 Maverick (Open Source) works best for: Complex analysis, Professional reports, Deep reasoning.

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 Llama 4 Maverick
response_b = client.chat.completions.create(
    model="llama-4-maverick",
    messages=[{"role": "user", "content": "Your question here"}]
)

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Get API Key Try in Playground

Frequently Asked Questions

Which is better, Claude Opus 4 or Llama 4 Maverick?

Claude Opus 4 (Frontier, ~2T) offers Deepest reasoning. Llama 4 Maverick (Open Source, 400B (17B active)) offers Superior reasoning. Choose Claude Opus 4 for Complex counseling or Llama 4 Maverick for Complex analysis.

How much does Claude Opus 4 cost vs Llama 4 Maverick?

Claude Opus 4: $0.15/1M input, $0.75/1M output. Llama 4 Maverick: $0.07/1M input, $0.12/1M 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 Llama 4 Maverick 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.