Price Per TokenPrice Per Token
Anthropic
Anthropic
vs
Microsoft
Microsoft

Claude Sonnet 4.6 vs Phi-3 Medium 128K Instruct

A detailed comparison of pricing, benchmarks, and capabilities

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Key Takeaways

Claude Sonnet 4.6 wins:

  • Larger context window
  • Faster response time
  • Higher intelligence benchmark
  • Better at coding
  • Supports vision
  • Has reasoning mode

Phi-3 Medium 128K Instruct wins:

  • Cheaper input tokens
  • Cheaper output tokens
Price Advantage
Phi-3 Medium 128K Instruct
Benchmark Advantage
Claude Sonnet 4.6
Context Window
Claude Sonnet 4.6
Speed
Claude Sonnet 4.6

Pricing Comparison

Benchmark Comparison

Context & Performance

Capabilities

Feature Comparison

FeatureClaude Sonnet 4.6Phi-3 Medium 128K Instruct
Vision (Image Input)
Tool/Function Calls
Reasoning Mode
Audio Input
Audio Output
PDF Input
Prompt Caching
Web Search

License & Release

PropertyClaude Sonnet 4.6Phi-3 Medium 128K Instruct
LicenseProprietaryOpen Source
AuthorAnthropicMicrosoft
ReleasedFeb 2026Unknown

Claude Sonnet 4.6 Modalities

Input
textimage
Output
text

Phi-3 Medium 128K Instruct Modalities

Input
Output

Frequently Asked Questions

Phi-3 Medium 128K Instruct has cheaper input pricing at $1.00/M tokens. Phi-3 Medium 128K Instruct has cheaper output pricing at $1.00/M tokens.
Claude Sonnet 4.6 has a 1,000,000 token context window, while Phi-3 Medium 128K Instruct has a 128,000 token context window.
Claude Sonnet 4.6 supports vision. Phi-3 Medium 128K Instruct does not support vision.