OpenAI o3 vs GPT-5.4 nano
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 | GPT-5.4 nano |
|---|---|---|
| Our score | 90 | 82 |
| Pricing | Available through OpenAI products and API access paths; pricing depends on plan or API usage. | Usage-based via OpenAI API pricing and model availability in supported endpoints. |
| 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 | Builders optimizing for latency and cost, Background automations and triage flows, High-volume classification, routing, or lightweight generation tasks |
| Platforms | web, ios, android, api | 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
- Usage-based via OpenAI API pricing and model availability in supported endpoints.
- Free plan
- No
- Best for
- Builders optimizing for latency and cost, Background automations and triage flows, High-volume classification, routing, or lightweight generation tasks
- Platforms
- 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
82Choose GPT-5.4 nano if:
- You are Builders optimizing for latency and cost
- You are Background automations and triage flows
- You are High-volume classification, routing, or lightweight generation tasks
FAQ
- What is the difference between OpenAI o3 and GPT-5.4 nano?
- OpenAI o3 is openai's high-end reasoning model designed for harder coding, analysis, science, and multi-step problem solving with tool use. GPT-5.4 nano is openai's lightweight gpt-5.4-class option for simple, fast, and cost-sensitive api tasks.
- Which is cheaper, OpenAI o3 or GPT-5.4 nano?
- OpenAI o3: Available through OpenAI products and API access paths; pricing depends on plan or API usage.. GPT-5.4 nano: Usage-based via OpenAI API pricing and model availability in supported endpoints..
- 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 GPT-5.4 nano best for?
- GPT-5.4 nano is best for Builders optimizing for latency and cost, Background automations and triage flows, High-volume classification, routing, or lightweight generation tasks.