OpenAI o3 vs GPT-5.4 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 | GPT-5.4 mini |
|---|---|---|
| Our score | 90 | 85 |
| 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 | API builders who need modern OpenAI features at lower cost than top-tier models, Teams experimenting with tool search or computer-use workflows, Developers serving many requests where throughput matters |
| 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
- API builders who need modern OpenAI features at lower cost than top-tier models, Teams experimenting with tool search or computer-use workflows, Developers serving many requests where throughput matters
- 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
85Choose GPT-5.4 mini if:
- You are API builders who need modern OpenAI features at lower cost than top-tier models
- You are Teams experimenting with tool search or computer-use workflows
- You are Developers serving many requests where throughput matters
FAQ
- What is the difference between OpenAI o3 and GPT-5.4 mini?
- 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 mini is a compact gpt-5.4-class model optimized for high-volume api workloads, including newer tool-oriented workflows.
- Which is cheaper, OpenAI o3 or GPT-5.4 mini?
- OpenAI o3: Available through OpenAI products and API access paths; pricing depends on plan or API usage.. GPT-5.4 mini: 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 mini best for?
- GPT-5.4 mini is best for API builders who need modern OpenAI features at lower cost than top-tier models, Teams experimenting with tool search or computer-use workflows, Developers serving many requests where throughput matters.