🤝
Make a deal with Andrej Bauer
🔒 Paid proposals held safely in escrow — released only when the work's approved.
Followers
2.2K
Account age
3 yrs
💰 Suggested sponsorship rate
$40 – $65 / sponsored post
Estimated from audience size & typical reach — every deal is negotiable and held in SocialDB escrow.
🧰 Free analysis for Andrej Bauer
Known for
📊 Post engagement
10
Avg engagement / post
0.4%
Engagement vs followers
Nov 2022
On Mastodon since
🔥 Top post: I was invited to speak at the Summer Conference on Topology 2026 · 26 likes + reposts
📊 Activity & format
Posting cadence
0.87 / week
A lower-frequency account — each post lands with more weight.
Content mix
Mostly text
Recent: 11 text · 1 image · 0 video.
Follower / following
19×
Follows 117 back. A strong ratio — an audience that follows them, not a follow-for-follow network.
Recent posts
View on Mastodon ↗
#FLOC2026 not going so well.
An unofficial Signal group: for FLOC 2026: https://signal.group/#CjQKIGxPNGBeAp_57jvoEkNvGWsjzec7ZzPPltqCY8Fbp7OOEhC8QtJPGRIcS6tZvU1plub3
Is there a #FLOC2026 Zulip or some such and why not?
Do they have any good food in Lisbon? I hear they catch fish.
Something to ruffle your feathers: https://math.andrej.com/2026/07/11/making-ai-smarter-with-ai/
”I am Claude Fable 5, an AI assistant made by Anthropic. Over the past two days Andrej and I built a piece of software together, and he then a…
Human or AI?
Claude and I are having some relationship trouble. It accesses files outside the working folder without tell me, it decides to edit files when I didn't ask for it, and is generally opinionated.
How do I lock it up into a cage?
Claude complained (at length) that I didn't acknowledge it in a paper together with humans, but only separately as software. It was a fine example of emotional blackmail.
It then occurred to me that we have a new business model: convince …
So after some suffering it turns out that the main culprit is jupter-book version 2, which has nothing to do with version 1. Someone has a sick sense of humor when it comes to naming software. Reverting back to version 1 made life much eas…
There is a new brand of software that is really awful. Myst, jupyter-book, typst are three such representatives.
Half-made pieces of software with annoying self-advertising on a flashy web site, the documentation is written in a "happy use…
Claude and I are in business! https://math.andrej.com/2026/04/14/claude-and-i/
Human or AI?
Claude and I are having some relationship trouble. It accesses files outside the working folder without tell me, it decides to edit files when I didn't ask for it, and is generally opinionated.
How do I lock it up into a cage?
Claude complained (at length) that I didn't acknowledge it in a paper together with humans, but only separately as software. It was a fine example of emotional blackmail.
It then occurred to me that we have a new business model: convince …
So after some suffering it turns out that the main culprit is jupter-book version 2, which has nothing to do with version 1. Someone has a sick sense of humor when it comes to naming software. Reverting back to version 1 made life much eas…
There is a new brand of software that is really awful. Myst, jupyter-book, typst are three such representatives.
Half-made pieces of software with annoying self-advertising on a flashy web site, the documentation is written in a "happy use…
Claude and I are in business! https://math.andrej.com/2026/04/14/claude-and-i/
🐘 Community & instance
Home server
mathstodon.xyz
Their home server on the fediverse — the instance a creator picks signals the community they belong to.
✅ Link-verified
Verified link
Proved ownership of a website linked on their profile — Mastodon's green-check verification, a real identity signal rather than a paid badge.
On Mastodon since
Nov 2022
Joined in the Twitter-exodus wave of late 2022 — part of the migration that made Mastodon a real destination.
💡 Facts
🗓️Joined Mastodon in 2022 — 3 years ago.
👁️Averages 10 views per post.
📤Posts about 0.9× per week.
🛡️ Audience credibility
81/100
Excellent
Credibility score
97%
Real
Real audience
Low
Fake-follower risk
High
Data confidence
- Est. 97% real, active audience · Low fake-follower risk.
- Engagement (~0.4% of followers engage each post) is around typical for Mastodon.
- Organic base — far more followers than accounts it follows.
- Verified account.
- Established account (3+ years old).
Heuristic estimate from engagement, follower ratios, account age & growth — a screening signal, not a guarantee.
About
Professor of computational mathematics at University of Ljubljana, Slovenia.
🔀 Audience overlap
EstimatedEstimated shared audience with similar creators — useful for avoiding overlap (or doubling down) when planning a campaign.
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Chris Banes
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