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OpenAI o3
Advanced reasoning AI model for complex problem-solving and analysis
WORKEDAI Build
Pricing
Paid
Learning curve
Moderate
Time to value
Immediate
BEST FORSoloSmall Team
COMMUNITY SENTIMENT
PositiveNegative
WORKS FOR

medical diagnosis when paired with a diagnostic orchestrator, autonomous reasoning and search for agentic coding

KEY INSIGHT

Its main strength is combining advanced reasoning with search, but it is not the most cost-effective option.

DOESN'T WORK FOR

deep research when low cost is the primary requirement

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Community Reviews

Reviews from Reddit, Product Hunt, Hacker News & AlignAI members

FAILED

That s orders of magnitude cheaper than OpenAI o3 and qualitatively in a different league.

Hacker News • HackerNews • Use case: Deep research at low cost

WORKED

o3 is the bestest and my go-to, but its strength comes from it combining reasoning with search - it's the one model you can count on finding things out for you.

Hacker News • HackerNews • Use case: default starting model for autonomous reasoning and search, agentic coding

WORKED

When paired with OpenAI s o3 model, MAI-DxO achieves 80% diagnostic accuracy--four times higher than the 20% average of generalist physicians.

Hacker News • HackerNews • Use case: Used as the core language model paired with their diagnostic orchestrator for medical diagnosis.

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