Microsoft Phi-4 vs Phi-3 Medium

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 Medium

Microsoft

Microsoft's mid-size Phi-3 model. Better performance than Mini for moderate complexity tasks.

Input$0.100/M
Output$0.300/M
Context128K tokens
Best ForModerate complexity tasks, Azure-based 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 MediumSavings
Small Script (1K lines) $0.01 $0.01 Microsoft Phi-4 saves <$0.01 (0%)
Medium Feature (10K lines) $0.10 $0.10 Microsoft Phi-4 saves <$0.01 (0%)
Large Project (50K lines) $0.47 $0.47 Microsoft Phi-4 saves <$0.01 (0%)
Code Review (5K lines) $0.02 $0.02 Microsoft Phi-4 saves <$0.01 (0%)

Verdict

Microsoft Phi-4 wins on both price and performance — $0.100/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