Claude vs OpenAI o3
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 | Claude | OpenAI o3 |
|---|---|---|
| Our score | 89 | 90 |
| Pricing | Free plan available. Pro is $20/month monthly or $17/month billed annually. Team starts at $25/user/month billed annually. | Available through OpenAI products and API access paths; pricing depends on plan or API usage. |
| Free plan | Yes | No |
| Best for | Users who value clean writing and strong reasoning, Teams wanting projects, knowledge bases, and connectors, People who like Anthropic's product direction and safety posture | 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, mac, windows | web, ios, android, api |
| API | Yes | Yes |
| Languages | en | en |
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| Visit site | Visit site |
Claude
89
- Pricing
- Free plan available. Pro is $20/month monthly or $17/month billed annually. Team starts at $25/user/month billed annually.
- Free plan
- Yes
- Best for
- Users who value clean writing and strong reasoning, Teams wanting projects, knowledge bases, and connectors, People who like Anthropic's product direction and safety posture
- Platforms
- web, ios, android, mac, windows
- 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
- 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
89Choose Claude if:
- You are Users who value clean writing and strong reasoning
- You are Teams wanting projects, knowledge bases, and connectors
- You are People who like Anthropic's product direction and safety posture
- You want to start free
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
FAQ
- What is the difference between Claude and OpenAI o3?
- Claude is anthropic's general ai assistant for writing, research, analysis, and coding, with a strong reputation for thoughtful long-form output. OpenAI o3 is openai's high-end reasoning model designed for harder coding, analysis, science, and multi-step problem solving with tool use.
- Which is cheaper, Claude or OpenAI o3?
- Claude: Free plan available. Pro is $20/month monthly or $17/month billed annually. Team starts at $25/user/month billed annually.. OpenAI o3: Available through OpenAI products and API access paths; pricing depends on plan or API usage.. Claude has a free plan.
- Who is Claude best for?
- Claude is best for Users who value clean writing and strong reasoning, Teams wanting projects, knowledge bases, and connectors, People who like Anthropic's product direction and safety posture.
- 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.