GPT-4 vs Phi-3 Mini

Performance benchmarks + pricing comparison — updated April 2026

GPT-4

OpenAI

Original GPT-4. Most expensive OpenAI model, largely superseded by newer options.

Input$30.00/M
Output$60.00/M
Context8K tokens
Best ForLegacy applications requiring GPT-4 specifically
Benchmark68/100

Phi-3 Mini

Microsoft

Microsoft's compact Phi-3 model. Small but capable model for edge and IoT deployment.

Input$0.050/M
Output$0.100/M
Context128K tokens
Best ForEdge AI, IoT devices, lightweight applications

Cost Comparison by Scenario

Estimated cost per project with 30% cache hit rate. Actual costs may vary based on usage patterns.

ScenarioGPT-4Phi-3 MiniSavings
Small Script (1K lines) $2.85 <$0.01 Phi-3 Mini saves $2.85 (100%)
Medium Feature (10K lines) $22.50 $0.04 Phi-3 Mini saves $22.46 (100%)
Large Project (50K lines) $112.50 $0.19 Phi-3 Mini saves $112.31 (100%)
Code Review (5K lines) $6.75 $0.01 Phi-3 Mini saves $6.74 (100%)

Verdict

Phi-3 Mini wins on both price and performance — $0.050/M input with a benchmark score of N/A/100.

For most developers, this is the clear choice between these two models.

Compare with Other Models