Llama 3.2 3B vs Solar Pro

Compare Llama 3.2 3B and Solar 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 Solar Pro
CategoryCompactOpen Source
Parameters3B22B
Context Window128K32K
Input Price$0.006/1M tokens$0.02/1M tokens
Output Price$0.012/1M tokens$0.04/1M tokens
Latency~40ms~180ms

Choose Llama 3.2 3B when:

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

Ultra-small, Edge-ready, Minimal latency

Choose Solar Pro when:

  • ✓ General purpose
  • ✓ Korean content
  • ✓ Chatbots
Key Strengths:

Good instruction following, Compact, Efficient

Verdict: Llama 3.2 3B vs Solar Pro

For cost efficiency, Llama 3.2 3B wins at $0.006/1M input tokens. For speed, Solar Pro is faster at ~180ms. Llama 3.2 3B excels at Mobile apps while Solar Pro is better for General purpose. 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. Solar Pro costs $0.02 input and $0.04 output. Llama 3.2 3B is 3.3x 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. Solar Pro offers 32K context at ~180ms. Llama 3.2 3B has the larger context window.

Best For

Llama 3.2 3B (Compact) is optimized for: Mobile apps, Edge inference, Preprocessing. Solar Pro (Open Source) works best for: General purpose, Korean content, Chatbots.

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 Solar Pro
response_b = client.chat.completions.create(
    model="solar-pro",
    messages=[{"role": "user", "content": "Your question here"}]
)

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Frequently Asked Questions

Which is better, Llama 3.2 3B or Solar Pro?

Llama 3.2 3B (Compact, 3B) offers Ultra-small. Solar Pro (Open Source, 22B) offers Good instruction following. Choose Llama 3.2 3B for Mobile apps or Solar Pro for General purpose.

How much does Llama 3.2 3B cost vs Solar Pro?

Llama 3.2 3B: $0.006/1M input, $0.012/1M output. Solar Pro: $0.02/1M input, $0.04/1M 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 Solar 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.