GPT-4o mini vs Phi-4 Mini

Performance benchmarks + pricing comparison — updated April 2026

GPT-4o mini

OpenAI

Affordable small model. Fast and cost-effective for high-volume coding tasks.

Input$0.150/M
Output$0.600/M
Context128K tokens
Best ForHigh-volume tasks, simple coding, cost-sensitive projects
Benchmark58/100

Phi-4 Mini

Microsoft

Microsoft's latest small model with improved coding ability. Better than Phi-3 for developer tasks.

Input$0.100/M
Output$0.300/M
Context128K tokens
Best ForCoding assistance, lightweight development tools

Cost Comparison by Scenario

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

ScenarioGPT-4o miniPhi-4 MiniSavings
Small Script (1K lines) $0.02 $0.01 Phi-4 Mini saves $0.01 (49%)
Medium Feature (10K lines) $0.18 $0.10 Phi-4 Mini saves $0.09 (48%)
Large Project (50K lines) $0.92 $0.47 Phi-4 Mini saves $0.44 (48%)
Code Review (5K lines) $0.05 $0.02 Phi-4 Mini saves $0.02 (47%)

Verdict

Phi-4 Mini 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