9 engineers on Hacker News describe using OpenAI API first-hand: 5 endorse it, 2 regret it, 0 are mixed.
“our GPT-4.1 tests show numbers that stay consistent from day to day.”
endorse · production · rumble_poster · 2025-09-10 · source ↗ · wrong label?“In my experience asking for simple stuff, requesting json_object is reliable.”
endorse · personal · RockyMcNuts · 2024-06-18 · source ↗ · wrong label?“I've been attempting to use the "official" function calling API for every new version of GPT they put out but it's always a dead end.”
regret · personal · sippeangelo · 2023-12-27 · source ↗ · wrong label?“I've been using API Key exclusively and most of the time, it cost me around $5-$10 a month”
endorse · personal · longnguyen · 2023-12-10 · source ↗ · wrong label?“The assistants API is fantastic; I was just getting started with it.”
endorse · personal · sbrother · 2023-11-18 · source ↗ · wrong label?“Based on their dev day announcement we switched to the Assistants API and the latest models and it's been great.”
endorse · production · mnhcorp · 2023-11-15 · source ↗ · wrong label?“OpenAI's platform is just so atrociously bad for any serious enterprise to work with.”
regret · production · leetharris · 2023-11-08 · source ↗ · wrong label?“we use various LLM APIs to analyze text; it's not heavy usage in terms of tokens but maybe 10K calls per day”
neutral · production · downsplat · 2025-12-11 · source ↗ · wrong label?“My finding with the OA embedding is that a distance of 0.01 actually corresponds to a pretty large semantic distance”
neutral · personal · gwern · 2023-12-08 · source ↗ · wrong label?