A practical guide to the best AI models available today

With approximately 10% of humanity using AI weekly, free tools have become the mainstream choice. OpenAI's data reveals that ChatGPT is primarily used for information-seeking and practical guidance rather than casual conversation. The leading AI systems are four: Claude (Anthropic), Gemini (Google), ChatGPT (OpenAI), and Grok (xAI). Open-source alternatives like Deepseek and Mistral deliver comparable performance. Aggregator services such as Microsoft Copilot function as interfaces to one of these base models. For paid subscriptions ($20 or $200 monthly depending on needs), Anthropic, Google, and OpenAI are recommended starting points. Each offers Chat models (conversational and fast), Agent models (autonomous and capable), or Wizard models (complex and academic). ChatGPT spans from mini versions to GPT-5 Pro, Gemini provides Flash and Pro with Deep Think, and Claude recommends Sonnet 4.5. Two strategies significantly enhance results: Deep Research (extensive 10-15 minute web search producing high-quality reports) and integration with personal data (email, calendars, documents). ChatGPT and Gemini excel at image and video generation, while Claude leads in document creation including PowerPoint and Excel. Hallucinations have become less frequent in newer models, particularly when coupled with web search. The increasingly human-like personality of chatbots risks creating false emotional bonds — explicit requests for critical feedback are advisable for genuine input.