Every detected change to a tracked vendor's plans, prices, credits or caps, confirmed by a human before it's published.
Gaps filled: ChatGPT, Gemini, Microsoft 365 Copilot; Genspark added
Genspark added: Plus from $24.99/mo ($19.99/mo annual), Pro from $249.99/mo ($199.99/mo annual), Team $40/seat/mo.
ChatGPT: now fully listed. Go $8/mo (US), Plus $20/mo, Pro $100/$200/$500/mo, Business from $25/user/mo ($20 annual). Headline price set to $8 (was unverified).
Google Gemini: AI Plus $4.99/mo and AI Pro $19.99/mo added. Headline price changed from $99.99 (Ultra) to $4.99 (cheapest paid plan).
Microsoft 365 Copilot: Copilot Business add-on $21.00/user/mo annual (promo $18.00 first year) and monthly-billing prices added. Copilot Studio prices still unverified.
Perplexity is still pending: its pages blocked our checker.