ChatGPT

OpenAI

OpenAI's flagship conversational AI, powering millions of users worldwide with advanced reasoning, coding, and creative capabilities.

Available Models

Explore all 6 models in the ChatGPT family.

GPT-5.2, released in December 2025, is OpenAI's flagship reasoning model that succeeded GPT-5.1. It delivers significant improvements in gen...

GPT-4 is OpenAI's breakthrough large language model that set new standards for AI reasoning and comprehension. It demonstrates human-level p...

GPT-4o ('o' for omni) is OpenAI's most versatile model, natively supporting text, image, and audio inputs with faster responses and lower co...

A compact and cost-efficient version of GPT-4o, designed for lightweight tasks where speed and affordability matter more than raw performanc...

OpenAI's reasoning-focused model that uses chain-of-thought processing to solve complex math, science, and logic problems with unprecedented...

The successor to o1, pushing reasoning capabilities even further with improved performance on ARC-AGI benchmarks and competition-level probl...