Title: Hello HN!<p>Please check out Summary Cat (<a href="https:&#x2F;&#x2F;www.summarycat.com" rel="nofollow noreferrer">https:&#x2F;&#x2F;www.summarycat.com</a>). It uses OpenAI&#x27;s GPT-3.5 to summarize YouTube transcripts.<p>Please note that it only works for<p><pre><code>  - *English* videos.
  - videos that are not too long in length.
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I&#x27;d appreciate any feedbacks, criticisms, or feature requests!! You can also find my contact info in my profile. Thank you in advance.<p>------------Technical Details---------------<p>Tech Stack<p><pre><code>  - Frontend: HTML&#x2F;CSS
  - Backend: Python&#x2F;Flask
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APIs:<p><pre><code>  - For grabbing YouTube&#x27;s transcripts: I used youtube-transcript-api (https:&#x2F;&#x2F;pypi.org&#x2F;project&#x2F;youtube-transcript-api&#x2F;)
  - For summarizing the transcripts: I used OpenAI&#x27;s GPT-3.5-turbo-16k: https:&#x2F;&#x2F;platform.openai.com&#x2F;docs&#x2F;guides&#x2F;gpt.
  - I used GPT-3.5 because GPT-4 is quite a lot more expensive (roughly 10X).
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My Prompt (Super Simple!)<p><pre><code>  - &quot;please summarize the following text into a few paragraphs:&quot;  + the full transcript.
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Thoughts about GPT-4 vs GPT-3.5-Turbo-16k for Summary Cat<p><pre><code>  - GPT-4 was 20% better for &quot;summary quality&quot;
  - GPT-4 feels 50% faster
  - However, GPT-4 is about 10X as expensive as GPT-3.5
  - Winner: GPT-3.5-Turbo-16k</code></pre>
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