- ChatGPT | AI Chatbot to Discover, Learn Create
Get answers Find inspiration Be more productive Now with GPT-5, the smartest, fastest, and most useful model yet, with thinking built in Available for everyone
- GPT-4 | OpenAI
GPT-4 is more creative and collaborative than ever before It can generate, edit, and iterate with users on creative and technical writing tasks, such as composing songs, writing screenplays, or learning a user’s writing style
- ChatGPT - Wikipedia
Training workflow of original ChatGPT InstructGPT release [11][12] ChatGPT is based on GPT foundation models that have been fine-tuned for conversational assistance The fine-tuning process involved supervised learning and reinforcement learning from human feedback (RLHF) [13] Both approaches employed human trainers to improve model performance In the case of supervised learning, the
- OpenAI launches GPT-5. 2 AI model with improved capabilities
OpenAI on Thursday launched its GPT-5 2 artificial intelligence model, after CEO Sam Altman reportedly issued an internal "code red" in early December pausing non‑core projects and redirecting
- OpenAI Launches GPT-5. 2 as It Navigates ‘Code Red’
OpenAI has introduced GPT-5 2, its smartest artificial intelligence model yet, with performance gains across writing, coding, and reasoning benchmarks The launch comes just days after CEO Sam
- OpenAI releases GPT-5. 2 to take on Google and Anthropic
OpenAI's "code red" response to Google's Gemini 3 Pro has arrived On the same day the company announced a Sora licensing pact with Disney, it took the wraps off GPT-5 2 OpenAI is touting the new
- OpenAI 正式推出 GPT-5. 2 三模式覆蓋分級場景 - PCM
回應 Gemini 3 Pro，OpenAI 於 2025 年 12 月 11 日正式發布 GPT-5 2 系列模型，作為 GPT-5 系列的最新延伸版本。官方 System Card 更新指出 GPT-5 2 繼承 GPT-5 及 GPT-5 1 的安全設計框架，並在模型能力與部署彈性上進一步加強。此版本已在 ChatGPT 及 API 平台上開始向付費用戶推出，涵蓋 Instant、Thinking 及 Pro 三種模式
- OpenAI launches GPT-5. 2. What is it, and how can you try it?
OpenAI announced today that it's launching GPT-5 2, the newest model in its GPT-5 series The new model will start rolling out immediately, with paid ChatGPT customers getting access first
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