ChatGPT 5.1 vs Claude vs Gemini: Which AI Tool to Use for Work in 2025

Illustration showing stylized avatars for ChatGPT, Claude, and Gemini, each with distinct icons and labels, surrounding a central desk with a laptop.

ChatGPT 5.1 is out. It’s doing what OpenAI promised 5.0 would do. But here’s the thing: I maintain subscriptions to ChatGPT, Claude, and Gemini because each is the best at different tasks. About 70% of my work happens in Claude. Each model has distinct strengths. ChatGPT excels at research and information retrieval. Claude produces the […]