WhatsApp Business API vs WATI vs Interakt: Which One Should You Choose in 2026?

Indian SMB owners and developers evaluating WhatsApp Business API must use a Business Solution Provider like WATI, Interakt, or AiSensy, as Meta prohibits direct access. With 600+ million Indian users and 98% open rates, these platforms are essential. Simultaneously, frontier model comparisons show GPT-6 Astra leads in computer use, Gemini 4 Argon excels in legal and finance tasks, while GPT-6.1 Sol offers the best pricing for coding agents alongside Claude Fable 5.1 options.