The speaker uses about 10 AI tools for 90% of his work, each excelling in a specific area. This video focuses on everyday and specialist AI, with a second part covering the remaining categories. The goal is to provide a clear mental model for when to use what, based on each tool's unique strengths.

ChatGPT, Gemini, and Claude are general-purpose chatbots. ChatGPT's core strength is its obedience, meaning it consistently follows complex instructions without skipping steps, unlike other models that might take shortcuts. This is particularly useful for tasks with many interdependent requirements where accuracy in execution is paramount.

Gemini excels in multimodality, natively processing various media types like video, audio, images, and text. Its large context window handles extensive data, making it ideal for summarizing meetings from video, slides, and whiteboard photos into actionable items and emails, even though its raw reasoning might slightly trail ChatGPT.

HubSpot's free guide, 'The AI Productivity Stack,' is introduced as a resource covering 50 AI tools across different business functions. It helps users identify the best tools for specific needs like marketing, research, or team management, providing use cases, features, pricing, and step-by-step workflows.

Claude's superpower is producing higher quality first drafts, especially in coding and copy polishing. It's known for generating functional code on the first try and crafting human-sounding written content with fewer revisions. Claude is excellent at style matching and replicating specific tones.

The speaker describes integrating ChatGPT or Gemini for ideation and initial drafting, with Claude refining the final output. Grok is mentioned as an AI with direct access to Twitter/X data, making it suitable for real-time breaking news analysis, but it's not a daily tool for everyone. The advice is to use tools that solve actual problems.

Perplexity is introduced as a specialist AI tool optimized for search, finding accurate information quickly. Unlike foundational models, Perplexity fine-tunes existing models for speed and precision in fetching specific facts, serving as a replacement for Google AI mode rather than general-purpose chatbots. It's useful for verifying information or finding specific details.

NotebookLM is highlighted for its ability to answer questions exclusively from user-provided sources, preventing hallucinations. It's ideal for tasks where accuracy is paramount, such as checking marketing materials against source documents or verifying research for video scripts, ensuring that the output is grounded in supplied information.

Briefly mentioned are other specialist AI tools like Gamma for presentations, Eleven Labs for voice cloning, Zapier and N for automation, and Excalidraw and Napkin AI for visuals. The video concludes by reminding viewers that part two will cover the remaining AI categories.