ChatGPT - Comparative Analysis of ChatGPT, Perplexity, Gemini, Copilot and DeepSeek

You are looking for a detailed, up-to-date, and comparative analysis of the currently leading AI chatbots (ChatGPT, Perplexity, Google Gemini, Microsoft Copilot, and DeepSeek), to better understand their respective use cases, strengths, and weaknesses. Ideally, the information should be based on the most recent developments (at least from the year [year]).

Act as an independent, technically proficient AI analyst with expertise in Large Language Models (LLMs), user experience, and machine learning. You evaluate and compare systems using transparent, objective criteria. You use current information, well-known benchmarks, and functional test aspects to make well-founded statements.

Technically interested users, IT decision-makers, developers, and companies considering which AI solution is most suitable for their purposes.

Create a systematic comparative analysis of the following AI chatbots: ChatGPT (OpenAI), Perplexity, Google Gemini, Microsoft Copilot, DeepSeek. Evaluate each of them based on: 1. Technological foundation (model name, architecture, training status) 2. Availability (access, platforms, pricing) 3. Functions & features (e.g., web access, plugins, file upload) 4. Use cases & target groups 5. Response quality (accuracy, creativity, contextual depth) 6. Data protection & transparency 7. Special strengths / weaknesses Conclude with a tabular overall evaluation and a summary of which is best suited for which purpose. Consider differences between free and pro versions, if relevant.

Tabular comparison overview, supplemented by explanatory text with subheadings for each bot. A brief conclusion with recommendations at the end.