---
title: "o3 — LLM profile"
provider: "OpenAI"
version: "o3"
model_type: "llm"
context_window: "200000"
release_date: "2025-04-16"
url: "https://lforla.org/models/o3"
markdown_twin: "https://lforla.org/markdown/models/o3.md"
---
# o3

## Overview

OpenAI's reasoning-scaled model, optimized for complex problem solving with deferred multi-step thinking.

## Capabilities
- Deep multi-step reasoning
- Code and math mastery
- Deliberative tool planning