Serge Mosin
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serge.meetpersonas.com
Serge Mosin
@serge.meetpersonas.com
Making expert knowledge accessible to all.

Building Personas — a network of AI clones of top experts.

Ph.D. in Computer Science, SDE in 10+ B2B startups.
Astonished by Fabien Pinckaers in his
20VC showdown.

Such perseverance and dedication.
• Building a company in Europe
• Bootstrapping for many years
• Being on the brink of bankruptcy multiple times
• Giving away 30% of the company in a funding round
• Staying the course for over two decades
February 12, 2025 at 11:51 PM
It takes 30% of the energy to come up with a concept, and then 70% to finalize it and put in the right words.

Be it error-free code or a clear eloquent piece of writing.

LLMs get the last 70% done much faster, hence I can save that energy for more productive work and do that much more in a day. ❤️
February 3, 2025 at 11:17 PM
I tested Cursor, Windsurf, and Bolt at one specific task today and Cursor beat the rest.

The task was to change the look of the React component (see the screenshots).
January 29, 2025 at 10:42 PM
Is AI bad for your coding skills? Yes, keep using it.

Here are 3 reasons why🧵:
January 21, 2025 at 11:35 PM
Developers need to break the old habits in 2025

Had an interesting session showing my dev friend how to use Bolt.

He just finished this pet project: a Splitwise clone. Plain HTML. No styles. He's great at the backend but doesn’t know any UI, as many of us.
January 14, 2025 at 8:46 PM
Perplexity API is great for search-based tasks

Many ppl don’t know that Perplexity offers an API. It has hosted Llama 3.1 models. llama-3.1-sonar-small-128k-online is enough for most tasks.
January 11, 2025 at 9:55 PM