GPT-4.1 mini vs Phi-3 Medium

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 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.

ScenarioGPT-4.1 miniPhi-3 MediumSavings
Small Script (1K lines) $0.06 $0.01 Phi-3 Medium saves $0.05 (80%)
Medium Feature (10K lines) $0.46 $0.10 Phi-3 Medium saves $0.37 (79%)
Large Project (50K lines) $2.30 $0.47 Phi-3 Medium saves $1.83 (79%)
Code Review (5K lines) $0.11 $0.02 Phi-3 Medium saves $0.09 (77%)

Verdict

Phi-3 Medium 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