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An AI assistant integrated into Microsoft 365 (Word, Excel, PowerPoint, Outlook, Teams and more). The official Taiwan pricing page lists Copilot Business add-on and bundled plans, and explains that Copilot Chat can be used for free through eligible Microsoft 365 plans.
General-purpose assistantA conversational AI assistant from OpenAI, available on the web, iOS and Android. The official pricing page lists individual plans including Free, Go, Plus and Pro, as well as Business and Enterprise plans for organizations.
General-purpose assistantAn AI assistant from Anthropic, offering free and paid individual plans. The official pricing page states that all paid plans include Claude Code.
General-purpose assistantGoogle's AI assistant, free to use with a Google account. The Taiwan subscription page lists paid plans including Google AI Plus, AI Pro and AI Ultra, priced in New Taiwan dollars.