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GPT-4 Turbo vs Phi-4: Pricing, Benchmarks & Verdict (2026)

Pricing verified Apr 8, 2026

⚡ Quick Answer

Compare GPT-4 Turbo and Phi-4 across pricing, benchmarks, and capabilities.

Updated: April 8, 2026 · ✓ Pricing verified

Side-by-Side Comparison

FeatureGPT-4 TurboPhi-4
ProviderOpenAIMicrosoft
Input Price / 1M tokens$10.00$0.065
Output Price / 1M tokens$30.00$0.140
Context Window
128K
16.384K
Max Output Tokens
4,096
4,096
Arena ELO
1,240
1,150
Coding ELO
1,245
1,130
TTFT (ms)
150
100
Tokens/sec
100
160
MultimodalYesNo
JSON ModeYesYes
Function CallingYesNo
VisionYesNo
When to Use GPT-4 Turbo

GPT-4 Turbo excels at general-purpose, multimodal, vision tasks.

Strengths:

  • Strong multimodal
  • Large context
  • Proven performance

Best for:

general-purposemultimodalvision
When to Use Phi-4

Phi-4 excels at cost-sensitive, edge-deployment, math, lightweight-tasks tasks.

Strengths:

  • Ultra-low cost for a capable model
  • Strong math for its size (14B params)
  • Very fast inference
  • Can run on consumer hardware

Best for:

cost-sensitiveedge-deploymentmathlightweight-tasks

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