Verdict: For most small businesses, the differences in underlying infrastructure between AI providers like OpenAI (ChatGPT), Anthropic (Claude), and Google (Gemini) will impact your day-to-day experience more than subtle differences in model capabilities or features. Look for evidence of robust multi-node training infrastructure when evaluating AI tools for reliability and speed. Last verified: 2026-08-21 · Most reliable: Gemini (Google's infrastructure) · Best for consistent speed: Claude...