OpenAI o3 vs Manus

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

OpenAI o3 scores higher overall (90/100)

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

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
Free tier with limited task credits. Starter plan around $39/month for higher concurrency and usage limits. Professional plan around $199/month with team collaboration and priority execution. Enterprise pricing available on request.
Free plan
Yes
Best for
Knowledge workers who need a reliable autonomous agent for research and data gathering, Founders and solo operators automating repetitive multi-step workflows, Analysts who need an agent to pull data, process it, and produce reports, Developers building on top of an existing production-grade agentic framework, Teams evaluating autonomous AI agents for enterprise deployment
Platforms
web, desktop
API
No
Languages
en, zh

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 →

Choose Manus if:

  • You are Knowledge workers who need a reliable autonomous agent for research and data gathering
  • You are Founders and solo operators automating repetitive multi-step workflows
  • You are Analysts who need an agent to pull data, process it, and produce reports
  • You want to start free
Read Manus review →

FAQ

What is the difference between OpenAI o3 and Manus?
OpenAI o3 is openai's high-end reasoning model designed for harder coding, analysis, science, and multi-step problem solving with tool use. Manus is manus is a fully autonomous ai agent that plans and executes multi-step tasks end-to-end: browsing the web, writing and running code, analyzing data, managing files, and completing complex workflows without continuous human input.
Which is cheaper, OpenAI o3 or Manus?
OpenAI o3: Available through OpenAI products and API access paths; pricing depends on plan or API usage.. Manus: Free tier with limited task credits. Starter plan around $39/month for higher concurrency and usage limits. Professional plan around $199/month with team collaboration and priority execution. Enterprise pricing available on request.. Manus has a free plan.
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 Manus best for?
Manus is best for Knowledge workers who need a reliable autonomous agent for research and data gathering, Founders and solo operators automating repetitive multi-step workflows, Analysts who need an agent to pull data, process it, and produce reports, Developers building on top of an existing production-grade agentic framework, Teams evaluating autonomous AI agents for enterprise deployment.