OpenAI o3 vs OpenAI o4-mini
A side-by-side comparison to help you choose the right tool.
90
OpenAI o3 scores higher overall (90/100)
But the best choice depends on your specific needs. Compare below.
| Feature | OpenAI o3 | OpenAI o4-mini |
|---|---|---|
| Our score | 90 | 88 |
| Pricing | Available through OpenAI products and API access paths; pricing depends on plan or API usage. | Available through OpenAI products and API access paths; pricing depends on plan or API usage. |
| Free plan | No | No |
| Best for | Researchers and analysts solving complex multi-step problems, Developers who need deeper reasoning than a fast general-purpose model, Users working with charts, files, and visual reasoning tasks | Developers who want reasoning without premium-model latency, Teams building cost-conscious agent or API workflows, Users handling math, coding, and structured analysis at scale |
| Platforms | web, ios, android, api | web, ios, android, api |
| API | Yes | Yes |
| Languages | en | en |
| Pros |
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| Cons |
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| Visit site | Visit site |
- Pricing
- Available through OpenAI products and API access paths; pricing depends on plan or API usage.
- Free plan
- No
- Best for
- Researchers and analysts solving complex multi-step problems, Developers who need deeper reasoning than a fast general-purpose model, Users working with charts, files, and visual reasoning tasks
- Platforms
- web, ios, android, api
- API
- Yes
- Languages
- en
- Pricing
- Available through OpenAI products and API access paths; pricing depends on plan or API usage.
- Free plan
- No
- Best for
- Developers who want reasoning without premium-model latency, Teams building cost-conscious agent or API workflows, Users handling math, coding, and structured analysis at scale
- Platforms
- web, ios, android, api
- API
- Yes
- Languages
- en
90Choose OpenAI o3 if:
- You are Researchers and analysts solving complex multi-step problems
- You are Developers who need deeper reasoning than a fast general-purpose model
- You are Users working with charts, files, and visual reasoning tasks
88Choose OpenAI o4-mini if:
- You are Developers who want reasoning without premium-model latency
- You are Teams building cost-conscious agent or API workflows
- You are Users handling math, coding, and structured analysis at scale
FAQ
- What is the difference between OpenAI o3 and OpenAI o4-mini?
- OpenAI o3 is openai's high-end reasoning model designed for harder coding, analysis, science, and multi-step problem solving with tool use. OpenAI o4-mini is a smaller, faster reasoning model from openai aimed at high-throughput tasks that still benefit from tool use and structured thinking.
- Which is cheaper, OpenAI o3 or OpenAI o4-mini?
- OpenAI o3: Available through OpenAI products and API access paths; pricing depends on plan or API usage.. OpenAI o4-mini: Available through OpenAI products and API access paths; pricing depends on plan or API usage..
- Who is OpenAI o3 best for?
- OpenAI o3 is best for Researchers and analysts solving complex multi-step problems, Developers who need deeper reasoning than a fast general-purpose model, Users working with charts, files, and visual reasoning tasks.
- Who is OpenAI o4-mini best for?
- OpenAI o4-mini is best for Developers who want reasoning without premium-model latency, Teams building cost-conscious agent or API workflows, Users handling math, coding, and structured analysis at scale.