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Text & Writing Checked Jul 13, 2026
o3 by OpenAI
A reasoning-centric large language model optimized for inference-time computation to solve high-complexity mathematical, coding, and scientific challenges.
Best for: Frontier-level reasoning tasks, competitive-grade programming, and rigorous scientific research validation.
What you can do with it
- Solving Gold-level International Mathematical Olympiad problems
- Executing complex multi-file codebase refactoring
- Generating novel chemical syntheses protocols
- Validating intricate physical theorem proofs
Good to know
- Advanced STEM logic
- Deep reasoning capabilities
- Sophisticated architectural design
Limitations
- High computational demand
- Slower inference scaling
- Specialized technical focus
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