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Parker RexMarch 17, 2025

5 AI Terms Every Beginner Has To Know (AI Dev Explains)

Discover 5 essential AI terms for beginners, including LLMs and tokens, explained by an AI dev in clear, practical terms.

Show Notes

This video offers a practical primer on a handful of core AI terms, with concrete prompts and recommendations you can use today to get better results from AI tools.

Key concepts: LLMs, tokens, and context

  • Large Language Model (LLM)
    • A model trained on a massive amount of text to guess the next word in a sequence.
    • It’s excellent at predicting how people talk and generating coherent text.
  • Tokens
    • The unit a model uses to count and process text (not just letters, but meaningful chunks of text).
    • Think of tokens as the “how the computer counts words” mechanism rather than just individual characters.
  • Context window
    • How much of the conversation or prompt the model can “see” at once.
    • If you push past this limit, the model can start to misbehave or hallucinate because it has no more context to rely on.
    • Analogy: trying to fit a huge bag into a small overhead bin at the airport; once it can’t fit, the process starts to break down.

Hallucination: what it is and why it happens

  • Hallucination
    • The model makes stuff up with high confidence.
    • It happens when the model doesn’t have enough context or is overextended beyond its window.
  • Practical takeaway
    • Keep prompts within the model’s context window.
    • Treat outputs as best-effort guesses and verify critical details.

Prompting: levels and how to get better results

  • The word prompt has become central in AI work, but the real power is in how you structure it.
  • Prompt levels (a practical mental model)
    • JV (junior varsity) prompt: a simple request like “Write me a sales email.”
      • Quick, but likely missing specifics, context, and tone.
    • Varsity prompt: more guidance and role assignment.
      • Example: “You are an expert sales writing assistant. I have a draft; improve it with a focus on benefits, clarity, and a strong CTA. Here are guidelines and examples.”
  • Key ideas to apply
    • Define the role: tell the model what it is (e.g., “You are an expert editor”).
    • Provide context: what the output is for, target audience, benefits vs features.
    • Give examples: show samples that you like.
    • Focus on outcomes: emphasize benefits and customer pain relief.
  • Practical note
    • There’s a whole continuum of prompting; a little more upfront work yields much better results.

Models and where to use what

  • Types of models
    • Chat models: the back-and-forth conversational format.
    • Chain-of-Thought (reasoning) models: think through the problem, reason step by step, possibly with a longer deliberation before answering.
  • Popular players (as discussed)
    • Claude (Anthropic)
      • Strong for writing tasks; different variants exist (e.g., Claude 3.5 Sunet and related versions).
    • ChatGPT (OpenAI)
      • Various models with different “O” configurations (e.g., 03 mini for a blend of speed and reasoning, 4o for more capable reasoning, 01 for longer consideration).
    • Google
      • Has many models, but the practical UX and writing quality may vary; still a relevant option to explore.
  • Budget and practicality
    • You’ll pay for access to higher-quality models; the cost is usually modest relative to the value (think a few dollars per month).
    • If you’re primarily writing, Claude is highlighted as a standout option in the video’s view.

Beyond text: multimodal and content transformation

  • AI can handle more than writing
    • Image generation, video generation, and even audio/text transformations.
    • You can transform content types (blog to video, script to podcast, etc.) and mix modalities (text-to-speech, speech-to-text, etc.).
  • Examples mentioned
    • Video and image workflows, but also “content pipelines” where one form feeds another (e.g., a script converts into a YouTube video concept).
    • Emerging multimodal tools and continued AI arms race (new models launching, ongoing improvements).

Practical takeaways you can use today

  • Learn these basics first:
    • LLM, tokens, context window, hallucination, prompting, and model types.
  • Start prompting with intent:
    • Define roles clearly, provide context, and include examples to guide outputs.
  • Pick the right tool for the job:
    • For writing: experiment with Claude or a capable ChatGPT option; choose the variant that fits your needs (speed vs depth).
    • For reasoning-heavy tasks: consider models that emphasize chain-of-thought or longer deliberation.
  • Use AI to accelerate workflows, not just replace them:
    • Convert between content types, brainstorm ideas, draft materials, and then manually refine the outputs you get.

Quick ideas to experiment with

  • Draft a sales email using a JV prompt; then rewrite it with a Varsity prompt for tone, benefits, and a strong CTA.
  • Take a piece of content (e.g., a blog post or script) and generate a YouTube video outline or a LinkedIn post series.
  • Use prompts to convert a photo or design concept into descriptive copy or a script.

If you found this primer helpful, note practical prompts you’ll try first and share your favorite use cases in the comments.