StarCoder2 15B vs Amazon Nova Micro

Compare StarCoder2 15B and Amazon Nova Micro: pricing, performance, context window, latency, and best use cases. Side-by-side comparison on XALEN.

Updated 2026-05-21 · By Abhishek Raj · Our methodology

All BigCode models All Amazon models What is an LLM API? Python Quickstart What is inference?
Feature StarCoder2 15B Amazon Nova Micro
CategoryCodeCompact
Parameters15B~8B
Context Window16K128K
Input Price$0.02/1M tokens$0.001/1M tokens
Output Price$0.03/1M tokens$0.004/1M tokens
Latency~150ms~50ms

Choose StarCoder2 15B when:

  • ✓ Code completion
  • ✓ Code generation
  • ✓ Bug fixing
Key Strengths:

Strong coding, 600+ languages, Open weights

Choose Amazon Nova Micro when:

  • ✓ Classification
  • ✓ Intent detection
  • ✓ Preprocessing
Key Strengths:

Cheapest inference, Ultra-fast, Text-only

Verdict: StarCoder2 15B vs Amazon Nova Micro

For cost efficiency, Amazon Nova Micro wins at $0.001/1M input tokens. For speed, StarCoder2 15B is faster at ~150ms. StarCoder2 15B excels at Code completion while Amazon Nova Micro is better for Classification. Both are available on XALEN through a single API — try them in the Playground to see which fits your workload.

Detailed Analysis

Pricing Comparison

StarCoder2 15B costs $0.02/1M input tokens and $0.03/1M output tokens. Amazon Nova Micro costs $0.001 input and $0.004 output. Amazon Nova Micro is 20.0x cheaper on input tokens. XALEN offers batch processing at 50% discount on both models.

Performance & Context

StarCoder2 15B has a 16K context window with ~150ms latency. Amazon Nova Micro offers 128K context at ~50ms. Amazon Nova Micro has the larger context window.

Best For

StarCoder2 15B (Code) is optimized for: Code completion, Code generation, Bug fixing. Amazon Nova Micro (Compact) works best for: Classification, Intent detection, Preprocessing.

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 StarCoder2 15B
response_a = client.chat.completions.create(
    model="starcoder2-15b",
    messages=[{"role": "user", "content": "Your question here"}]
)

# Use Amazon Nova Micro
response_b = client.chat.completions.create(
    model="amazon-nova-micro",
    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, StarCoder2 15B or Amazon Nova Micro?

StarCoder2 15B (Code, 15B) offers Strong coding. Amazon Nova Micro (Compact, ~8B) offers Cheapest inference. Choose StarCoder2 15B for Code completion or Amazon Nova Micro for Classification.

How much does StarCoder2 15B cost vs Amazon Nova Micro?

StarCoder2 15B: $0.02/1M input, $0.03/1M output. Amazon Nova Micro: $0.001/1M input, $0.004/1M 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 StarCoder2 15B and Amazon Nova Micro 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.