o1-preview Blog

Which ChatGPT Model Is Best? (As of May 2025)
Jan 6, 2026
ChatGPT
GPT 4.5
GPT-4.1
o1-preview
o3
o4 mini
OpenAI

Which ChatGPT Model Is Best? (As of May 2025)

ChatGPT has seen rapid evolution in 2024 and 2025, with multiple model iterations optimized for reasoning, multimodal inputs, and specialized tasks. As
O1 Preview API
Jan 5, 2026
o1-preview
OpenAI

O1 Preview API

The O1 Preview API represents a groundbreaking leap in multi-modal artificial intelligence that seamlessly integrates advanced reasoning capabilities with sophisticated visual and language processing. As the AI landscape continues to evolve at an unprecedented pace, O1 Preview stands at the forefront of innovation, offering a comprehensive suite of cognitive computing functions that extend beyond traditional language models.