15 engineers on Hacker News describe using Claude Sonnet first-hand: 5 endorse it, 4 regret it, 0 are mixed.
“AI isn't there yet. The idea of rewriting software from scratch might sound great”
regret · production · mika314 · 2026-08-28 · source ↗ · wrong label?“Every time I try to use a lower tier model like Terra or Sonnet I regret it, so I just use the best one the first time”
regret · production · wilg · 2026-08-18 · source ↗ · wrong label?“for work (Sonnet)... you can confidently rely on them to analyze your repo codebase and solve, at the very least, small scoped problems”
endorse · production · dent9 · 2025-12-30 · source ↗ · wrong label?“I would prefer the simplicity of using the real thing.”
endorse · personal · andai · 2025-12-23 · source ↗ · wrong label?“I've mainly been using Sonnet 4.5 ... Sonnet 4.5 absolutely fails on.”
regret · personal · crystal_revenge · 2025-12-14 · source ↗ · wrong label?“There was a huge jump in capability from Sonnet 4 to Sonnet 4.5.”
endorse · production · samuelknight · 2025-12-02 · source ↗ · wrong label?“Claude Sonnet 4.5 is marginally better, but not by much. Any ambitious overhaul, refactoring or large feature ends in tears and regret.”
regret · personal · dns_snek · 2025-10-21 · source ↗ · wrong label?“we've found the computer use models are quite reliable.”
endorse · production · sgtwompwomp · 2025-08-14 · source ↗ · wrong label?“I also like 3.5 sonnet as the best model (best ui too) and it's the one I ask questions to”
endorse · personal · tempusalaria · 2024-10-18 · source ↗ · wrong label?“I almost never need anything stronger than Sonnet at work”
neutral · production · guhcampos · 2026-11-05 · source ↗ · wrong label?“For censored stuff, we use Sonnet and OpenAI Nano models.”
neutral · production · system2 · 2026-09-22 · source ↗ · wrong label?“We've switched the default model in playcode.io among Opus 4.8, Opus 4.6, Sonnet 4.6, and Sonnet 5.”
neutral · production · ianberdin · 2026-07-13 · source ↗ · wrong label?“We switched from Sonnet 4.5 to Opus 4.5 as our default coding agent recently and we pay the price for the switch”
neutral · production · _pdp_ · 2026-01-07 · source ↗ · wrong label?“I've been using composer-1 in Cursor for a few weeks and also switching back and forth between it, Gemini Flash 3, Claude Opus 4.5, Claude Sonnet 4.5 and GPT 5.2.”
neutral · production · santoriv · 2025-12-19 · source ↗ · wrong label?“those are the daily drivers we use internally w/ Letta Code”
neutral · production · pacjam · 2025-12-17 · source ↗ · wrong label?