Qwen 2.5 Coder 32B vs StarCoder2 15B

Compare Qwen 2.5 Coder 32B and StarCoder2 15B: 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 Qwen 2.5 Coder 32B StarCoder2 15B
CategoryCodeCode
Parameters32B15B
Context Window128K16K
Input Price$0.03/1M tokens$0.02/1M tokens
Output Price$0.05/1M tokens$0.03/1M tokens
Latency~200ms~150ms

Choose Qwen 2.5 Coder 32B when:

  • ✓ Faith-tech code
  • ✓ API development
  • ✓ Frontend code
Key Strengths:

Strong code generation, API understanding, Good frameworks

Choose StarCoder2 15B when:

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

Strong coding, 600+ languages, Open weights

Verdict: Qwen 2.5 Coder 32B vs StarCoder2 15B

For cost efficiency, StarCoder2 15B wins at $0.02/1M input tokens. For speed, StarCoder2 15B is faster at ~150ms. Qwen 2.5 Coder 32B excels at Faith-tech code while StarCoder2 15B is better for Code completion. Both are available on XALEN through a single API — try them in the Playground to see which fits your workload.

Detailed Analysis

Pricing Comparison

Qwen 2.5 Coder 32B costs $0.03/1M input tokens and $0.05/1M output tokens. StarCoder2 15B costs $0.02 input and $0.03 output. StarCoder2 15B is 1.5x cheaper on input tokens. XALEN offers batch processing at 50% discount on both models.

Performance & Context

Qwen 2.5 Coder 32B has a 128K context window with ~200ms latency. StarCoder2 15B offers 16K context at ~150ms. Qwen 2.5 Coder 32B has the larger context window.

Best For

Qwen 2.5 Coder 32B (Code) is optimized for: Faith-tech code, API development, Frontend code. StarCoder2 15B (Code) works best for: Code completion, Code generation, Bug fixing.

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 Qwen 2.5 Coder 32B
response_a = client.chat.completions.create(
    model="qwen-2-5-coder-32b",
    messages=[{"role": "user", "content": "Your question here"}]
)

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

Start Building with XALEN

200+ AI models. One API. Pay-as-you-go.

Get API Key Try in Playground

Frequently Asked Questions

Which is better, Qwen 2.5 Coder 32B or StarCoder2 15B?

Qwen 2.5 Coder 32B (Code, 32B) offers Strong code generation. StarCoder2 15B (Code, 15B) offers Strong coding. Choose Qwen 2.5 Coder 32B for Faith-tech code or StarCoder2 15B for Code completion.

How much does Qwen 2.5 Coder 32B cost vs StarCoder2 15B?

Qwen 2.5 Coder 32B: $0.03/1M input, $0.05/1M output. StarCoder2 15B: $0.02/1M input, $0.03/1M 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 Qwen 2.5 Coder 32B and StarCoder2 15B 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.