GPT-4.1 mini vs Phi-3 Mini

Performance benchmarks + pricing comparison — updated April 2026

GPT-4.1 mini

OpenAI

Cost-optimized GPT-4.1 variant. Strong coding capability at budget pricing, replacing GPT-4o mini for many use cases.

Input$0.400/M
Output$1.60/M
Context128K tokens
Best ForHigh-volume coding, cost-sensitive projects, automation
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-4.1 miniPhi-3 MiniSavings
Small Script (1K lines) $0.06 <$0.01 Phi-3 Mini saves $0.06 (92%)
Medium Feature (10K lines) $0.46 $0.04 Phi-3 Mini saves $0.42 (92%)
Large Project (50K lines) $2.30 $0.19 Phi-3 Mini saves $2.11 (92%)
Code Review (5K lines) $0.11 $0.01 Phi-3 Mini saves $0.10 (90%)

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