Claude AI in 2026 — Opus 4.6, Sonnet 4.6, Haiku 4.5 compared. Pricing, API setup, coding performance, and honest limitations. A practitioner’s guide.
A practical guide to the 5 best AI models in 2026: Claude, ChatGPT, Gemini, Copilot, and Mistral. When to use each, real pricing, and workflow fit.