Overview
ChatGPT is an AI conversational assistant launched by OpenAI in November 2022, built on the GPT series of large language models. It is the first consumer-grade product to spark a global AI boom, surpassing 100 million users within just two months of launch, and remains one of the most widely used AI tools worldwide.
ChatGPT supports multimodal capabilities including natural language conversation, text generation, code writing, data analysis, image understanding and generation.
**Current version: The official homepage does not display any version number or new feature announcements, only providing a standard login/registration interface. Major updates previously claimed in reviews, such as GPT-5.6, ChatGPT Work, and Codex merger, have not appeared on the official website. Please refer to official releases for accurate information.**
Key Features
- Multimodal Conversation: Supports text, images, files, and voice input; capable of understanding images, reading PDFs, and analyzing tables—a true all-in-one assistant.
- Code Generation and Debugging: Proficient in mainstream languages such as Python, JavaScript, and SQL; can directly generate runnable code, as well as explain and refactor existing code.
- Image Generation: Generate images directly in conversation using natural language descriptions, with good text rendering and consistency.
- Advanced Data Analysis: Upload CSV/Excel files to automatically write Python code for data cleaning, statistical analysis, and visualization.
- GPTs / Workspace Agents: Individuals can customize GPTs; the enterprise version upgrades to Workspace Agents, supporting team collaboration and 7×24 asynchronous operation.
- Web Search and Real-time Information: Supports real-time web search for the latest information, overcoming the limitations of training data cutoff dates.
Use Cases
- Professionals who need to quickly draft emails, reports, and proposals in daily work.
- Developers and programmers needing code assistance and technical Q&A.
- Students and researchers conducting paper searches, literature reviews, and translations.
- Content creators producing copy, scripts, and marketing content.
- Business analysts who need data analysis but are not proficient in programming.
Pros
- Most mature ecosystem: Plugin store, GPTs, Workspace Agents, and API ecosystem are the most comprehensive among all AI assistants.
- Leading multimodal capabilities: Text + images + files + voice + code + data analysis all in one.
- Free tier available: The free version allows access to basic features with a very low entry barrier.
- Fast response speed: Dialogue fluency is excellent among large models.
- Largest global user community: Easy to find tutorials and solutions when encountering issues.
Pricing
ChatGPT adopts a freemium model. The free version provides access to the basic model and limited features; the Plus version is $20/month, unlocking more models and advanced features; the Pro version is $200/month, offering the highest level of access. For specific model and feature details, please refer to the latest information on the official website.
Summary
ChatGPT is currently the most comprehensive and mature AI assistant in terms of functionality and ecosystem, suitable for users who need multimodal conversations, code assistance, data analysis, content creation, or team collaboration. Its core advantages lie in its integrated multimodal capabilities, rich plugin and custom GPT ecosystem, and flexible pricing ranging from free to professional tiers, enabling it to meet a wide range of needs from individuals to enterprises.
Version History
- ChatGPT 桌面端支持导入其他智能体工作数据 (2026-08-11): You can now keep other agents' work in sync with ChatGPT Work and Codex. You can import projects, chat history, skills, and plugins, view import history, and choose to enable automatic updates in settings. Now available in the ChatGPT desktop app.
- 官网新增Deep research（深度研究）功能入口，并突出展示Maps（地图）插件及图片生成、文件上传等个性化能力，: The official website has added a new Deep research feature entry, and prominently showcases the Maps plugin as well as personalized capabilities such as image generation and file upload, which were not mentioned in existing evaluations.
- OpenAI 优化 ChatGPT 中的 GPT-5.6 Sol，并扩大免费用户对 GPT-5.6 Luna 的访问权限 (2026-08-06): OpenAI updates ChatGPT: For Plus and Pro users, GPT-5.6 Sol has improved factual accuracy and answer focus, with a new slider to control the model's thinking effort. Free users' default model is upgraded to GPT-5.6 Luna, with unlimited text chat now available, and a new Think button for handling more complex questions.
- OpenAI 桌面端 ChatGPT 上线语音交互功能，可语音操控电脑执行多步骤任务 (2026-08-08): OpenAI updates ChatGPT desktop app, adding support for ChatGPT Voice, allowing users to directly control the AI agent through voice conversations and have it execute tasks on their computer. This feature is based on the new voice model series ChatGPT-Live, supports ChatGPT Work and Codex, and on macOS can also access screen content via Appshots.
- GPT-Live实时音频新架构发布 (2026-08-03): GPT-Live 是一种用于实时音频的新架构和栈： GPT-Live 可以在说话的同时聆听。 为了让这种体验在 ChatGPT 规模下显得自然，我们从客户端到模型重建了语音栈。 这一新架构让音频持续流动，因此更深入的推理和工具使用不会打断对话。
- OpenAI 为学术研究者免费提供前沿模型 (2026-07-29): ChatGPT for Academic Researchers - Free (!!) Use our cutting-edge models, including GPT-5.6-Sol Pro, designed for mathematicians, scientists, researchers, and scholars. Let unsolved problems fall!
- ChatGPT 向美国用户推出健康功能 (2026-07-23): OpenAI announced the launch of ChatGPT health features for US users, supporting secure connections to Apple Health and supported medical records. With 300 million users per week using ChatGPT for health consultations, the new feature enables ChatGPT to understand personal health context, track changes, and provide more personalized assistance.
- ChatGPT 桌面版上线语音控制多智能体 (2026-07-23): ChatGPT voice functionality is now available on the desktop app. Simply use your voice to control your computer and direct multiple agents running in ChatGPT Work or Codex. This feature is powered by GPT-Live, enabling it to speak, listen, and coordinate tasks simultaneously within the app. Starting today, it is being rolled out globally to Plus, Pro, Business, Edu, and Enterprise plan users on macOS and Windows platforms.