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Mistral Small vs o3: Pricing, Benchmarks & Verdict (2026)

Pricing verified Apr 8, 2026

⚡ Quick Answer

Compare Mistral Small and o3 across pricing, benchmarks, and capabilities.

Updated: April 8, 2026 · ✓ Pricing verified

Side-by-Side Comparison

FeatureMistral Smallo3
ProviderMistralOpenAI
Input Price / 1M tokens$0.150$10.00
Output Price / 1M tokens$0.600$40.00
Context Window
128K
200K
Max Output Tokens
8,192
100,000
Arena ELO
1,185
1,340
Coding ELO
1,160
1,320
TTFT (ms)
160
600
Tokens/sec
120
15
MultimodalNoNo
JSON ModeYesYes
Function CallingYesYes
VisionNoNo
When to Use Mistral Small

Mistral Small excels at chatbots, classification, cost-sensitive, multilingual tasks.

Strengths:

  • Very affordable pricing
  • Fast inference speed
  • Good multilingual support
  • Suitable for lightweight tasks

Best for:

chatbotsclassificationcost-sensitivemultilingual
When to Use o3

o3 excels at reasoning, coding, math tasks.

Strengths:

  • Highest reasoning capability
  • Best math performance
  • Code execution

Best for:

reasoningcodingmath

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