OpenAI GPT-4o Mini vs. OpenAI o3-mini — Interactive Cost & Performance Calculator
Compare OpenAI GPT-4o Mini vs OpenAI o3-mini side-by-side. Use our interactive calculator to estimate exact monthly costs, savings, and performance trade-offs at your scale.
OpenAI GPT-4o Mini
Best for: High-volume classification, extraction & chat
OpenAI o3-mini
Best for: Fast STEM reasoning, math, and unit-tested code generation
Side-by-Side Technical & Commercial Breakdown: OpenAI GPT-4o Mini vs. OpenAI o3-mini
| Dimension | OpenAI GPT-4o Mini | OpenAI o3-mini |
|---|---|---|
| Provider | OpenAI | OpenAI |
| Input Price (per 1M tokens) | $0.150 | $1.100 |
| Output Price (per 1M tokens) | $0.60 | $4.40 |
| Context Window | 128K tokens | 200K tokens |
| Throughput Speed | 145 tok/s | 95 tok/s |
| License / Weights | Proprietary API | Proprietary API |
| Best Use Case | High-volume classification, extraction & chat | Fast STEM reasoning, math, and unit-tested code generation |
Frequently Asked Questions
Which is more cost-effective in 2026: OpenAI GPT-4o Mini or OpenAI o3-mini?
It depends on your workload volume. Use the interactive sliders above to model your exact monthly scale. OpenAI GPT-4o Mini (High-volume classification, extraction & chat) and OpenAI o3-mini (Fast STEM reasoning, math, and unit-tested code generation) have different unit economics that cross over as volume scales.
When should an engineering team choose OpenAI GPT-4o Mini over OpenAI o3-mini?
Choose OpenAI GPT-4o Mini when your primary priority is: High-volume classification, extraction & chat. Choose OpenAI o3-mini when you prioritize: Fast STEM reasoning, math, and unit-tested code generation.