Essays
RSS FeedCounter-Strike Bench: GPT 5.3 Codex vs Claude Opus 4.6
Stepan Parunashvili·Feb 5th, 2026
Team features are free through the end of Februrary
Instant·Jan 19th, 2026
GPT 5.2 on the Counter-Strike Benchmark
Stepan Parunashvili·Dec 12th, 2025
Codex, Opus, Gemini try to build Counter Strike
Stepan Parunashvili·Nov 26th, 2025
Count-Min Sketches in JS — frequencies, but without the data
Stepan Parunashvili·Oct 13th, 2025
Founding Firebase with James Tamplin [Video]
Stepan Parunashvili·Sep 29th, 2025
HeroUI helps people build beautiful apps, on top of Instant
Stepan Parunashvili·Aug 25th, 2025
Mirando transforms Latin-American Real-Estate on top of Instant
Stepan Parunashvili·Aug 18th, 2025
GPT 5 vs Opus 4.1 for Vibe-Coded Apps
Stepan Parunashvili·Aug 8th, 2025
How and where will agents ship software?
Stepan Parunashvili, Nikita Prokopov·Jul 14th, 2025
Sync Engines are the Future
Nikita Prokopov·Mar 17th, 2025
A Major Postgres Upgrade with Zero Downtime
Stepan Parunashvili, Daniel Woelfel·Jan 29th, 2025
Building a Sync Engine in Clojure [Video]
Joe Averbukh·Oct 24th, 2024
Instant raises $3.4M seed to build a modern Firebase
Joe Averbukh·Oct 1st, 2024
A Graph-Based Firebase
Stepan Parunashvili·Aug 25th, 2022
Datalog in Javascript
Stepan Parunashvili·Apr 25th, 2022
Database in the Browser, a Spec
Stepan Parunashvili·Apr 29th, 2021