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Phi-3 MediumvsPhi-3 Mini

Microsoft vs Microsoft — Side-by-side model comparison

Phi-3 Medium leads 1/5 categories

Head-to-Head Comparison

MetricPhi-3 MediumPhi-3 Mini
Provider
Arena Rank
Context Window
128K
128K
Input Pricing
Free (open)/1M tokens
Free (open)/1M tokens
Output Pricing
Free (open)/1M tokens
Free (open)/1M tokens
Parameters
14B
3.8B
Open Source
Yes
Yes
Best For
Balanced performance, reasoning, coding
Edge deployment, mobile, on-device AI
Release Date
May 21, 2024
Apr 23, 2024

Phi-3 Medium

Phi-3 Medium is Microsoft's 14 billion parameter model in the Phi-3 family, offering a step up in capability from Phi-3 Mini while remaining efficient enough for deployment on consumer hardware. It demonstrates that careful data curation and training methodology can produce models that compete with much larger alternatives, particularly on reasoning and STEM-related tasks.

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Phi-3 Mini

Phi-3 Mini is Microsoft's compact 3.8 billion parameter model that delivers surprisingly strong performance for its size, rivaling models many times larger on reasoning and coding benchmarks. It features a 128K context window despite its small size, making it ideal for on-device deployment in mobile phones, laptops, and edge devices where computational resources are severely constrained.

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Key Differences: Phi-3 Medium vs Phi-3 Mini

1

Phi-3 Medium has 14B parameters vs Phi-3 Mini's 3.8B, which affects inference speed and capability.

P

When to use Phi-3 Medium

  • +Your use case involves balanced performance, reasoning, coding
View full Phi-3 Medium specs →
P

When to use Phi-3 Mini

  • +Your use case involves edge deployment, mobile, on-device ai
View full Phi-3 Mini specs →

The Verdict

Phi-3 Medium wins our head-to-head comparison with 1 out of 5 category wins. It's the stronger choice for balanced performance, reasoning, coding, though Phi-3 Mini holds an edge in edge deployment, mobile, on-device ai.

Last compared: March 2026 · Data sourced from public benchmarks and official pricing pages

Frequently Asked Questions

Which is better, Phi-3 Medium or Phi-3 Mini?
In our head-to-head comparison, Phi-3 Medium leads in 1 out of 5 categories (arena rank, context window, input pricing, output pricing, and parameters). Phi-3 Medium excels at balanced performance, reasoning, coding, while Phi-3 Mini is better suited for edge deployment, mobile, on-device ai. The best choice depends on your specific requirements, budget, and use case.
How does Phi-3 Medium pricing compare to Phi-3 Mini?
Phi-3 Medium charges Free (open) per 1M input tokens and Free (open) per 1M output tokens. Phi-3 Mini charges Free (open) per 1M input tokens and Free (open) per 1M output tokens. For high-volume production workloads, the pricing difference can significantly impact total cost of ownership.
What is the context window difference between Phi-3 Medium and Phi-3 Mini?
Phi-3 Medium supports a 128K token context window, while Phi-3 Mini supports 128K tokens. Context window size matters most for tasks involving long documents, large codebases, or extended conversations.
Can I use Phi-3 Medium or Phi-3 Mini for free?
Phi-3 Medium is a paid API model starting at Free (open) per 1M input tokens. Phi-3 Mini is a paid API model starting at Free (open) per 1M input tokens. Open-source models can be self-hosted for free but require your own GPU infrastructure.
Which model has better benchmarks, Phi-3 Medium or Phi-3 Mini?
Phi-3 Medium's arena rank is not yet available, while Phi-3 Mini's rank is not yet available. Note that benchmarks don't capture every use case — we recommend testing both models on your specific tasks.
Is Phi-3 Medium or Phi-3 Mini better for coding?
Phi-3 Medium is specifically optimized for coding tasks. Phi-3 Mini's primary strength is edge deployment, mobile, on-device ai. For coding specifically, arena rank and code-specific benchmarks are the best indicators of performance.