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o1 vs Phi-3 Medium: Pricing, Benchmarks & Verdict (2026)

Pricing verified Apr 8, 2026

⚡ Quick Answer

Compare o1 and Phi-3 Medium across pricing, benchmarks, and capabilities.

Updated: April 8, 2026 · ✓ Pricing verified

Side-by-Side Comparison

Featureo1Phi-3 Medium
ProviderOpenAIMicrosoft
Input Price / 1M tokens$15.00$0.170
Output Price / 1M tokens$60.00$0.170
Context Window
200K
128K
Max Output Tokens
100,000
4,096
Arena ELO
1,310
1,170
Coding ELO
1,310
1,175
TTFT (ms)
500
150
Tokens/sec
20
100
MultimodalNoNo
JSON ModeYesYes
Function CallingYesYes
VisionNoNo
When to Use o1

o1 excels at reasoning, coding, math tasks.

Strengths:

  • Best reasoning model
  • Code execution
  • Extended thinking

Best for:

reasoningcodingmath
When to Use Phi-3 Medium

Phi-3 Medium excels at cost-effective, general-purpose tasks.

Strengths:

  • Affordable
  • Fast
  • Good instruction following

Best for:

cost-effectivegeneral-purpose

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