Grok
An AI chat assistant from xAI. The official website says it can be tried for free on the web and in the app. The paid SuperGrok offers higher usage and multi-agent reasoning.
Sources (verified 2026-10-15):
Other organizations in the same district
General-purpose assistantChatGPT
A 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 assistantClaude
An AI assistant from Anthropic, offering free and paid individual plans. The official pricing page states that all paid plans include Claude Code.
General-purpose assistantGemini
Google'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.