Gemini 2.0 Pro vs O3 Mini

Performance benchmarks + pricing comparison — updated April 2026

Gemini 2.0 Pro

Google

Mid-tier Gemini 2.0 model. Better quality than Flash at a competitive price point for enterprise coding tasks.

Input$2.50/M
Output$10.00/M
Context1M tokens
Best ForEnterprise coding, complex analysis, multimodal understanding

O3 Mini

OpenAI

OpenAI's reasoning model at lower cost. Strong at math, coding, and science tasks.

Input$1.10/M
Output$4.40/M
Context200K tokens
Best ForMath, science, coding tasks requiring deep reasoning
Benchmark80/100

Cost Comparison by Scenario

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

ScenarioGemini 2.0 ProO3 MiniSavings
Small Script (1K lines) $0.39 $0.17 O3 Mini saves $0.22 (56%)
Medium Feature (10K lines) $2.88 $1.27 O3 Mini saves $1.61 (56%)
Large Project (50K lines) $14.38 $6.33 O3 Mini saves $8.05 (56%)
Code Review (5K lines) $0.69 $0.30 O3 Mini saves $0.39 (56%)

Verdict

O3 Mini wins on both price and performance — $1.10/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