GPT-4o vs Phi-3 Mini

Performance benchmarks + pricing comparison — updated April 2026

GPT-4o

OpenAI

OpenAI's flagship multimodal model. Strong coding and reasoning at competitive pricing.

Input$2.50/M
Output$10.00/M
Context128K tokens
Best ForGeneral coding, multimodal tasks, chatbots
Benchmark75/100

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-4oPhi-3 MiniSavings
Small Script (1K lines) $0.41 <$0.01 Phi-3 Mini saves $0.40 (99%)
Medium Feature (10K lines) $3.06 $0.04 Phi-3 Mini saves $3.02 (99%)
Large Project (50K lines) $15.31 $0.19 Phi-3 Mini saves $15.13 (99%)
Code Review (5K lines) $0.78 $0.01 Phi-3 Mini saves $0.77 (99%)

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