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Did you try the Grok or Gemini prompt at the end of the last post on “AI Generated Infographics“? Did you compare the output of the two different AI services? If so, you probably noticed slight differences in the results.

This happens because even a well-crafted prompt still gives the AI a bit of freedom in a few critical areas, including:

• Data Sources – Whether it relies on primary data or supplements it with multiple sources.
• Calculation Methods – How it determines each daily data point. The AI might simply take the last (closing) value of the day, or it might use one of several averaging techniques to create a representative daily figure.

If you spotted these small variations from identical prompts, you’re seeing a perfect example of the difference between casual prompting and the rigorous prompt engineering we covered in our earlier article, Advanced AI Prompts.differences between casual prompts and the rigorous prompt engineering described in the earlier “Advanced AI Prompts” article!

Now, let’s add another “power tool” to our AI toolkit.

Take a look at this video produced with HeyGen.ai. While AI avatars can still have subtle “tells” that reveal a digital hand behind the scenes, they are becoming incredibly popular thanks to several clear advantages:

• Scripts are read exactly as written — no editing needed for speech patterns or unnatural behaviors.
• Fully automated production — once the script is ready, the video is generated automatically. The AI can even help refine the script from your initial draft or core idea.
• No studio required — skip the set, quiet recording room, special lighting, and all the usual production hassle.

Here is our HeyGen.ai avatar presenting the same “Sharpe Ratio” information from the last article on “AI Generated Infographics“:

For Education Only! Not Investment Advice!

*This article was researched and composed with the help of GROK AI!
*The Infographics were generated in a two step process. A Draft graphic in Grok was refined into the Infographic in this article by Google’s Gemini Pro.