o3 Reasoning Model Guide 2026
What OpenAI's reasoning-focused models. Think before answering. Versions - o3 - o3-mini - o3-pro Strengths - Math - Coding hard problems - Multi-step reasoning - Logic puzzles Cost Higher than GPT-5 because of thinking tokens. When to Use - Olympiad-level problems - Complex bugs - Strategic planning - Research When NOT - Simple queries - Real-time needs - Cost-sensitive Workflow python response =…