Llama 3.2 3B vs Amazon Nova Pro

Compare Llama 3.2 3B and Amazon Nova 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

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Feature Llama 3.2 3B Amazon Nova Pro
CategoryCompactFrontier
Parameters3B~300B
Context Window128K300K
Input Price$0.006/1M tokens$0.008/1M tokens
Output Price$0.012/1M tokens$0.032/1M tokens
Latency~40ms~300ms

Choose Llama 3.2 3B when:

  • ✓ Mobile apps
  • ✓ Edge inference
  • ✓ Preprocessing
Key Strengths:

Ultra-small, Edge-ready, Minimal latency

Choose Amazon Nova Pro when:

  • ✓ Budget apps
  • ✓ Document analysis
  • ✓ Enterprise
Key Strengths:

Very low cost, 300K context, Multimodal

Verdict: Llama 3.2 3B vs Amazon Nova Pro

For cost efficiency, Llama 3.2 3B wins at $0.006/1M input tokens. For speed, Amazon Nova Pro is faster at ~300ms. Llama 3.2 3B excels at Mobile apps while Amazon Nova Pro is better for Budget apps. Both are available on XALEN through a single API — try them in the Playground to see which fits your workload.

Detailed Analysis

Pricing Comparison

Llama 3.2 3B costs $0.006/1M input tokens and $0.012/1M output tokens. Amazon Nova Pro costs $0.008 input and $0.032 output. Llama 3.2 3B is 1.3x cheaper on input tokens. XALEN offers batch processing at 50% discount on both models.

Performance & Context

Llama 3.2 3B has a 128K context window with ~40ms latency. Amazon Nova Pro offers 300K context at ~300ms. Amazon Nova Pro has the larger context window.

Best For

Llama 3.2 3B (Compact) is optimized for: Mobile apps, Edge inference, Preprocessing. Amazon Nova Pro (Frontier) works best for: Budget apps, Document analysis, Enterprise.

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 Llama 3.2 3B
response_a = client.chat.completions.create(
    model="llama-3-2-3b",
    messages=[{"role": "user", "content": "Your question here"}]
)

# Use Amazon Nova Pro
response_b = client.chat.completions.create(
    model="amazon-nova-pro",
    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, Llama 3.2 3B or Amazon Nova Pro?

Llama 3.2 3B (Compact, 3B) offers Ultra-small. Amazon Nova Pro (Frontier, ~300B) offers Very low cost. Choose Llama 3.2 3B for Mobile apps or Amazon Nova Pro for Budget apps.

How much does Llama 3.2 3B cost vs Amazon Nova Pro?

Llama 3.2 3B: $0.006/1M input, $0.012/1M output. Amazon Nova Pro: $0.008/1M input, $0.032/1M 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 Llama 3.2 3B and Amazon Nova 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.