Phi-3.5 Mini vs Arctic Large

Compare Phi-3.5 Mini and Arctic Large: 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 Phi-3.5 Mini Arctic Large
CategoryCompactEnterprise
Parameters3.8B480B (17B active)
Context Window128K128K
Input Price$0.005/1M tokens$0.06/1M tokens
Output Price$0.01/1M tokens$0.10/1M tokens
Latency~50ms~400ms

Choose Phi-3.5 Mini when:

  • ✓ Simple Q&A
  • ✓ Classification
  • ✓ Edge inference
Key Strengths:

128K context in tiny model, Ultra-low cost, Fast

Choose Arctic Large when:

  • ✓ Data analysis
  • ✓ SQL generation
  • ✓ Business intelligence
Key Strengths:

Strong SQL, Data analysis, Enterprise features

Verdict: Phi-3.5 Mini vs Arctic Large

For cost efficiency, Phi-3.5 Mini wins at $0.005/1M input tokens. For speed, Arctic Large is faster at ~400ms. Phi-3.5 Mini excels at Simple Q&A while Arctic Large is better for Data 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

Phi-3.5 Mini costs $0.005/1M input tokens and $0.01/1M output tokens. Arctic Large costs $0.06 input and $0.10 output. Phi-3.5 Mini is 12.0x cheaper on input tokens. XALEN offers batch processing at 50% discount on both models.

Performance & Context

Phi-3.5 Mini has a 128K context window with ~50ms latency. Arctic Large offers 128K context at ~400ms. Both have identical context windows.

Best For

Phi-3.5 Mini (Compact) is optimized for: Simple Q&A, Classification, Edge inference. Arctic Large (Enterprise) works best for: Data analysis, SQL generation, Business intelligence.

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 Phi-3.5 Mini
response_a = client.chat.completions.create(
    model="phi-3-5-mini",
    messages=[{"role": "user", "content": "Your question here"}]
)

# Use Arctic Large
response_b = client.chat.completions.create(
    model="arctic-large",
    messages=[{"role": "user", "content": "Your question here"}]
)

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Frequently Asked Questions

Which is better, Phi-3.5 Mini or Arctic Large?

Phi-3.5 Mini (Compact, 3.8B) offers 128K context in tiny model. Arctic Large (Enterprise, 480B (17B active)) offers Strong SQL. Choose Phi-3.5 Mini for Simple Q&A or Arctic Large for Data analysis.

How much does Phi-3.5 Mini cost vs Arctic Large?

Phi-3.5 Mini: $0.005/1M input, $0.01/1M output. Arctic Large: $0.06/1M input, $0.10/1M 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 Phi-3.5 Mini and Arctic Large 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.