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GPT-4 1 vs Phi-3.5 Mini: Pricing, Benchmarks & Verdict (2026)

Pricing verified Apr 8, 2026

⚡ Quick Answer

Compare GPT-4 1 and Phi-3.5 Mini across pricing, benchmarks, and capabilities.

Updated: April 8, 2026 · ✓ Pricing verified

Side-by-Side Comparison

FeatureGPT-4 1Phi-3.5 Mini
ProviderOpenAIMicrosoft
Input Price / 1M tokens$0.030$0.130
Output Price / 1M tokens$0.060$0.520
Context Window
8.192K
128K
Max Output Tokens
2,048
4,096
Arena ELO
1,200
1,160
Coding ELO
1,210
1,165
TTFT (ms)
160
150
Tokens/sec
85
100
MultimodalNoNo
JSON ModeYesYes
Function CallingYesYes
VisionNoNo
When to Use GPT-4 1

GPT-4 1 excels at general-purpose, coding tasks.

Strengths:

  • Good quality
  • Affordable
  • Reliable

Best for:

general-purposecoding
When to Use Phi-3.5 Mini

Phi-3.5 Mini excels at cost-effective, fast-inference tasks.

Strengths:

  • Very cheap
  • Fast
  • Large context

Best for:

cost-effectivefast-inference

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