OpenAI o1 vs Phi-3 Mini

Performance benchmarks + pricing comparison — updated April 2026

OpenAI o1

OpenAI

Reasoning model optimized for complex problem-solving. Excels at math, science, and advanced coding.

Input$15.00/M
Output$60.00/M
Context200K tokens
Best ForComplex math, advanced coding, scientific reasoning
Benchmark83/100

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.

ScenarioOpenAI o1Phi-3 MiniSavings
Small Script (1K lines) $2.32 <$0.01 Phi-3 Mini saves $2.32 (100%)
Medium Feature (10K lines) $17.25 $0.04 Phi-3 Mini saves $17.21 (100%)
Large Project (50K lines) $86.25 $0.19 Phi-3 Mini saves $86.06 (100%)
Code Review (5K lines) $4.13 $0.01 Phi-3 Mini saves $4.11 (100%)

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