Microsoft Phi-4 vs Phi-3 Mini

Performance benchmarks + pricing comparison — updated April 2026

Microsoft Phi-4

Microsoft

Microsoft's compact 14B model with strong reasoning and coding capability. Excellent value for small-scale deployments.

Input$0.100/M
Output$0.300/M
Context128K tokens
Best ForEdge deployments, local inference, budget coding
Benchmark45/100

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.

ScenarioMicrosoft Phi-4Phi-3 MiniSavings
Small Script (1K lines) $0.01 <$0.01 Phi-3 Mini saves <$0.01 (62%)
Medium Feature (10K lines) $0.10 $0.04 Phi-3 Mini saves $0.06 (61%)
Large Project (50K lines) $0.47 $0.19 Phi-3 Mini saves $0.29 (61%)
Code Review (5K lines) $0.02 $0.01 Phi-3 Mini saves $0.01 (55%)

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