Substack Writers at Work with Sarah Fay

Substack Writers at Work with Sarah Fay

Write Less, Please

How long your Substack posts should be in 2025

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Sarah Fay
Jun 10, 2025
∙ Paid
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  • How readers actually read Substack in 2025 (the hard data)

  • Why long posts often go unread—and what to do instead

  • What post length signals about your writing

  • 2 smart ways to write shorter, better posts

  • When long-form still works—and how to earn it


As always, AI doesn’t have the answer to how long your posts should be.

If you were one of my private clients, and we were in a strategy session, we’d take three things into consideration:

  1. Reading trends in 2025

  2. Your category

  3. The time you have to devote to creating quality posts, no matter the length (This last one may be the most important.)

We never google for the answer or turn to ChatGPT.


How to decide for yourself how long your Substack posts should be

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