ChatGPT vs OpenAI o3

A side-by-side comparison to help you choose the right tool.

ChatGPT scores higher overall (91/100)

But the best choice depends on your specific needs. Compare below.

Pricing
Free plan available. Plus: $20/month. Pro: $200/month. Team starts at $25/user/month billed annually.
Free plan
Yes
Best for
General users who want one assistant for writing, analysis, and research, Teams that need a polished chat interface plus higher-tier business controls, People who want web search, files, voice, and strong reasoning in one place
Platforms
web, ios, android, mac, windows
API
No
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

Choose ChatGPT if:

  • You are General users who want one assistant for writing, analysis, and research
  • You are Teams that need a polished chat interface plus higher-tier business controls
  • You are People who want web search, files, voice, and strong reasoning in one place
  • You want to start free
Read ChatGPT review →

Choose 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
Read OpenAI o3 review →

FAQ

What is the difference between ChatGPT and OpenAI o3?
ChatGPT is openai's flagship ai assistant for writing, analysis, coding, research, voice, images, and agent-style task execution across web and mobile. 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, ChatGPT or OpenAI o3?
ChatGPT: Free plan available. Plus: $20/month. Pro: $200/month. 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.. ChatGPT has a free plan.
Who is ChatGPT best for?
ChatGPT is best for General users who want one assistant for writing, analysis, and research, Teams that need a polished chat interface plus higher-tier business controls, People who want web search, files, voice, and strong reasoning in one place.
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.