Qwen 2.5 VL 7B vs StarCoder2 15B

Compare Qwen 2.5 VL 7B 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 VL 7B StarCoder2 15B
CategoryVisionCode
Parameters7B15B
Context Window128K16K
Input Price$0.01/1M tokens$0.02/1M tokens
Output Price$0.02/1M tokens$0.03/1M tokens
Latency~150ms~150ms

Choose Qwen 2.5 VL 7B when:

  • ✓ Budget image analysis
  • ✓ Simple OCR
  • ✓ Quick visual Q&A
Key Strengths:

Low cost vision, Asian language OCR, Fast

Choose StarCoder2 15B when:

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

Strong coding, 600+ languages, Open weights

Verdict: Qwen 2.5 VL 7B vs StarCoder2 15B

For cost efficiency, Qwen 2.5 VL 7B wins at $0.01/1M input tokens. For speed, StarCoder2 15B is faster at ~150ms. Qwen 2.5 VL 7B excels at Budget image analysis 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 VL 7B costs $0.01/1M input tokens and $0.02/1M output tokens. StarCoder2 15B costs $0.02 input and $0.03 output. Qwen 2.5 VL 7B is 2.0x cheaper on input tokens. XALEN offers batch processing at 50% discount on both models.

Performance & Context

Qwen 2.5 VL 7B has a 128K context window with ~150ms latency. StarCoder2 15B offers 16K context at ~150ms. Qwen 2.5 VL 7B has the larger context window.

Best For

Qwen 2.5 VL 7B (Vision) is optimized for: Budget image analysis, Simple OCR, Quick visual Q&A. 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 VL 7B
response_a = client.chat.completions.create(
    model="qwen-2-5-vl-7b",
    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 VL 7B or StarCoder2 15B?

Qwen 2.5 VL 7B (Vision, 7B) offers Low cost vision. StarCoder2 15B (Code, 15B) offers Strong coding. Choose Qwen 2.5 VL 7B for Budget image analysis or StarCoder2 15B for Code completion.

How much does Qwen 2.5 VL 7B cost vs StarCoder2 15B?

Qwen 2.5 VL 7B: $0.01/1M input, $0.02/1M 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 VL 7B 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.