DeepSeek Reasoner (R1) vs Phi-3 Mini

Performance benchmarks + pricing comparison — updated April 2026

DeepSeek Reasoner (R1)

DeepSeek

DeepSeek's reasoning model. Comparable to OpenAI's o1 but at much lower cost.

Input$0.550/M
Output$2.19/M
Context128K tokens
Best ForComplex reasoning, math, advanced coding
Benchmark72/100

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.

ScenarioDeepSeek Reasoner (R1)Phi-3 MiniSavings
Small Script (1K lines) $0.08 <$0.01 Phi-3 Mini saves $0.08 (94%)
Medium Feature (10K lines) $0.63 $0.04 Phi-3 Mini saves $0.59 (94%)
Large Project (50K lines) $3.15 $0.19 Phi-3 Mini saves $2.96 (94%)
Code Review (5K lines) $0.15 $0.01 Phi-3 Mini saves $0.14 (93%)

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