ChatGPT
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Pricing: Freemium — Free tier: Includes GPT-5.2 Instant and GPT-5.4 mini. ChatGPT Go ($8/mo) for 10x free limits. Plus ($20/mo) for GPT-5.4 Thinking. Pro ($200/mo) for GPT-5.4 Pro research-grade agentic intelligence.
OpenAI's flagship conversational AI, now powered by GPT-5.4 (March 2026) featuring a 1.05M context window, native computer use, and advanced reasoning capabilities. Offers Standard, Thinking, and Pro variants to cover everything from casual chat to complex software engineering.
Tags: chat, multimodal, latest, adaptive-reasoning, web-search, coding, image-generation