Pixtral 12B vs Gemini 2.5 Pro Preview

Compare Pixtral 12B and Gemini 2.5 Pro Preview: 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 Pixtral 12B Gemini 2.5 Pro Preview
CategoryVisionFrontier
Parameters12B~1.5T
Context Window128K2M
Input Price$0.02/1M tokens$0.07/1M tokens
Output Price$0.04/1M tokens$0.21/1M tokens
Latency~200ms~700ms

Choose Pixtral 12B when:

  • ✓ Simple image tasks
  • ✓ Classification
  • ✓ OCR
Key Strengths:

Low cost vision, Fast, Compact

Choose Gemini 2.5 Pro Preview when:

  • ✓ Research
  • ✓ Long analysis
  • ✓ Testing new capabilities
Key Strengths:

2M context, Experimental features, Strong reasoning

Verdict: Pixtral 12B vs Gemini 2.5 Pro Preview

For cost efficiency, Pixtral 12B wins at $0.02/1M input tokens. For speed, Pixtral 12B is faster at ~200ms. Pixtral 12B excels at Simple image tasks while Gemini 2.5 Pro Preview is better for Research. Both are available on XALEN through a single API — try them in the Playground to see which fits your workload.

Detailed Analysis

Pricing Comparison

Pixtral 12B costs $0.02/1M input tokens and $0.04/1M output tokens. Gemini 2.5 Pro Preview costs $0.07 input and $0.21 output. Pixtral 12B is 3.5x cheaper on input tokens. XALEN offers batch processing at 50% discount on both models.

Performance & Context

Pixtral 12B has a 128K context window with ~200ms latency. Gemini 2.5 Pro Preview offers 2M context at ~700ms. Gemini 2.5 Pro Preview has the larger context window.

Best For

Pixtral 12B (Vision) is optimized for: Simple image tasks, Classification, OCR. Gemini 2.5 Pro Preview (Frontier) works best for: Research, Long analysis, Testing new capabilities.

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 Pixtral 12B
response_a = client.chat.completions.create(
    model="pixtral-12b",
    messages=[{"role": "user", "content": "Your question here"}]
)

# Use Gemini 2.5 Pro Preview
response_b = client.chat.completions.create(
    model="gemini-2-5-pro-preview",
    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, Pixtral 12B or Gemini 2.5 Pro Preview?

Pixtral 12B (Vision, 12B) offers Low cost vision. Gemini 2.5 Pro Preview (Frontier, ~1.5T) offers 2M context. Choose Pixtral 12B for Simple image tasks or Gemini 2.5 Pro Preview for Research.

How much does Pixtral 12B cost vs Gemini 2.5 Pro Preview?

Pixtral 12B: $0.02/1M input, $0.04/1M output. Gemini 2.5 Pro Preview: $0.07/1M input, $0.21/1M 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 Pixtral 12B and Gemini 2.5 Pro Preview 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.