Phi-3.5 Mini vs Command A

Compare Phi-3.5 Mini and Command A: 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 Command A
CategoryCompactEnterprise
Parameters3.8B111B (37B active)
Context Window128K256K
Input Price$0.005/1M tokens$0.025/1M tokens
Output Price$0.01/1M tokens$0.10/1M tokens
Latency~50ms~300ms

Choose Phi-3.5 Mini when:

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

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

Choose Command A when:

  • ✓ Enterprise RAG
  • ✓ Document Q&A
  • ✓ Agentic workflows
Key Strengths:

Strong RAG, Agentic, 256K context

Verdict: Phi-3.5 Mini vs Command A

For cost efficiency, Phi-3.5 Mini wins at $0.005/1M input tokens. For speed, Command A is faster at ~300ms. Phi-3.5 Mini excels at Simple Q&A while Command A is better for Enterprise RAG. 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. Command A costs $0.025 input and $0.10 output. Phi-3.5 Mini is 5.0x 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. Command A offers 256K context at ~300ms. Command A has the larger context window.

Best For

Phi-3.5 Mini (Compact) is optimized for: Simple Q&A, Classification, Edge inference. Command A (Enterprise) works best for: Enterprise RAG, Document Q&A, Agentic workflows.

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 Command A
response_b = client.chat.completions.create(
    model="command-a",
    messages=[{"role": "user", "content": "Your question here"}]
)

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Frequently Asked Questions

Which is better, Phi-3.5 Mini or Command A?

Phi-3.5 Mini (Compact, 3.8B) offers 128K context in tiny model. Command A (Enterprise, 111B (37B active)) offers Strong RAG. Choose Phi-3.5 Mini for Simple Q&A or Command A for Enterprise RAG.

How much does Phi-3.5 Mini cost vs Command A?

Phi-3.5 Mini: $0.005/1M input, $0.01/1M output. Command A: $0.025/1M 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 Command A 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.