Mistral Small 3.1 vs Pixtral 12B

Compare Mistral Small 3.1 and Pixtral 12B: 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 Mistral Small 3.1 Pixtral 12B
CategoryCompactVision
Parameters24B12B
Context Window128K128K
Input Price$0.02/1M tokens$0.02/1M tokens
Output Price$0.04/1M tokens$0.04/1M tokens
Latency~120ms~200ms

Choose Mistral Small 3.1 when:

  • ✓ Lightweight tasks
  • ✓ Classification
  • ✓ Simple generation
Key Strengths:

128K context, Low cost, Fast

Choose Pixtral 12B when:

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

Low cost vision, Fast, Compact

Verdict: Mistral Small 3.1 vs Pixtral 12B

For cost efficiency, Pixtral 12B wins at $0.02/1M input tokens. For speed, Mistral Small 3.1 is faster at ~120ms. Mistral Small 3.1 excels at Lightweight tasks while Pixtral 12B is better for Simple image tasks. Both are available on XALEN through a single API — try them in the Playground to see which fits your workload.

Detailed Analysis

Pricing Comparison

Mistral Small 3.1 costs $0.02/1M input tokens and $0.04/1M output tokens. Pixtral 12B costs $0.02 input and $0.04 output. Both models are similarly priced. XALEN offers batch processing at 50% discount on both models.

Performance & Context

Mistral Small 3.1 has a 128K context window with ~120ms latency. Pixtral 12B offers 128K context at ~200ms. Both have identical context windows.

Best For

Mistral Small 3.1 (Compact) is optimized for: Lightweight tasks, Classification, Simple generation. Pixtral 12B (Vision) works best for: Simple image tasks, Classification, OCR.

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 Mistral Small 3.1
response_a = client.chat.completions.create(
    model="mistral-small-3-1",
    messages=[{"role": "user", "content": "Your question here"}]
)

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

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Get API Key Try in Playground

Frequently Asked Questions

Which is better, Mistral Small 3.1 or Pixtral 12B?

Mistral Small 3.1 (Compact, 24B) offers 128K context. Pixtral 12B (Vision, 12B) offers Low cost vision. Choose Mistral Small 3.1 for Lightweight tasks or Pixtral 12B for Simple image tasks.

How much does Mistral Small 3.1 cost vs Pixtral 12B?

Mistral Small 3.1: $0.02/1M input, $0.04/1M output. Pixtral 12B: $0.02/1M input, $0.04/1M 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 Mistral Small 3.1 and Pixtral 12B 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.