The free-AI chatbot era that began in 2022 has matured into a full-blown ecosystem battle in 2025 — a practical, messy, and often brilliant landscape where ChatGPT, Microsoft Copilot, Grok, Google Gemini, Perplexity, Claude, DeepSeek, and Meta AI each stake a claim to being the “best” assistant for different jobs. My hands-on re-test of eight widely used chatbots (112 text and image prompts across ten text tests and four image tests) — the same approach described in the comparison piece you...