#openai
Posts tagged with openai.
Claude 4 and GPT-5 made agent work a maintenance problem
Codex made parallel agent work feel normal
o3 and o4-mini made routing harder to dodge
The o-series releases made the cheap, fast, smart tradeoff harder to avoid and better to name.
Spring 2025 split reasoning into products
GPT-4.1 made coding models feel specialized
o1 and Gemini 2.0 pushed agents toward the default
Reasoning models changed where latency belongs
The o1 preview made it easier to talk about spending extra time on hard steps instead of every step.