LV
LLMversus

GPT-4 1.5-nano vs Phi-3.5 MoE: Pricing, Benchmarks & Verdict (2026)

Pricing verified Apr 8, 2026

⚡ Quick Answer

Compare GPT-4 1.5-nano and Phi-3.5 MoE across pricing, benchmarks, and capabilities.

Updated: April 8, 2026 · ✓ Pricing verified

Side-by-Side Comparison

FeatureGPT-4 1.5-nanoPhi-3.5 MoE
ProviderOpenAIMicrosoft
Input Price / 1M tokens$0.075$0.170
Output Price / 1M tokens$0.300$0.680
Context Window
128K
128K
Max Output Tokens
4,096
4,096
Arena ELO
1,150
1,195
Coding ELO
1,160
1,190
TTFT (ms)
120
150
Tokens/sec
150
100
MultimodalNoNo
JSON ModeYesYes
Function CallingYesYes
VisionNoNo
When to Use GPT-4 1.5-nano

GPT-4 1.5-nano excels at cost-effective, fast-inference tasks.

Strengths:

  • Super cheap
  • Very fast
  • Large context

Best for:

cost-effectivefast-inference
When to Use Phi-3.5 MoE

Phi-3.5 MoE excels at general-purpose, cost-effective tasks.

Strengths:

  • Mixture of experts
  • Efficient
  • Balanced performance

Best for:

general-purposecost-effective

Related Comparisons

Claude Opus 4 vs Phi-3.5 MoEClaude Opus 4 vs GPT-4 1.5-nanoGemini 2 5 Pro vs Phi-3.5 MoEGemini 2 5 Pro vs GPT-4 1.5-nanoO3 vs Phi-3.5 MoEGPT-4 1.5-nano vs O3Deepseek R1 vs Phi-3.5 MoEDeepseek R1 vs GPT-4 1.5-nanoO1 vs Phi-3.5 MoEGPT-4 1.5-nano vs O1Phi-3.5 MoE vs Qwen 3 235bGPT-4 1.5-nano vs Qwen 3 235bGemini Exp 1206 vs Phi-3.5 MoEGemini Exp 1206 vs GPT-4 1.5-nanoGpt 4 5 vs Phi-3.5 MoEGPT-4 1.5-nano vs Gpt 4 5Groq Deepseek R1 vs Phi-3.5 MoEGPT-4 1.5-nano vs Groq Deepseek R1Llama 4 Maverick vs Phi-3.5 MoEGPT-4 1.5-nano vs Llama 4 Maverick