AI software studio
We build AI products that keep working
when the signal doesn’t.
CST Solution designs and ships applied-AI software — from offline medical guidance to workflow automation, game tooling and creation tools.
What we build
6 areas, 15 products
- Medical AIHealth that stays on your phone.3
- CRM & WorkflowSystems that do the follow-up for you.2
- Games & InteractiveTooling for teams that ship games.3
- Creator & UGCFrom an idea to a finished story.2
- Documents & NotesThe everyday paperwork, without the subscription.4
- Career & InterviewsWalk into the interview already prepared.1
How we work and what we offer Guides and analysis on the blog
From the blog
88 articles, every number measured
Engineering write-ups from building these products. Each one asks a specific question, runs the test, and publishes the script and the result.
- Games
Should a game ship its audio as OGG, MP3 or AAC?
We encoded one exact-length music loop and ten sound effects every common way. Size barely separated the formats.
Read the article - AI & Data
How accurate is HyperLogLog for counting unique visitors?
HyperLogLog met its quoted error at a million visitors, but drifted where it switches estimators and collapsed when a weak hash met sequential user IDs.
Read the article - Games
What is the fastest way to compute field of view on a grid?
Recursive shadowcasting was the fastest field of view method that missed nothing.
Read the article - Integration
Why does Date.parse give the wrong time for API dates?
We fed 48 real API timestamp shapes to new Date() under three server timezones.
Read the article - AI & Data
Can TF-IDF pick the right tags for a blog post?
Tested on 88 hand-tagged posts, TF-IDF keywords rarely matched the human tags.
Read the article - Games
Which procedural dungeon generation algorithm should I use?
Cellular automata caves were almost never fully connected. Repair them with a flood-fill tunnel, because discarding and retrying often failed.
Read the article
Get in touch
Tell us what you’re trying to build.
The fastest way to reach us is WhatsApp — send a message and we’ll reply.
+84 904 879 900