news, tips, and reviews that make thinking machines useful
X
Tag archive
Everything we’ve published under Responses API so far.
Follow this lane
Responses API readers are already filtering for a specific AI topic, which makes this archive a useful audience signal for sponsors and repeat readers.
OpenAI pushed GPT-5.5 to Chat Completions and Responses with a 1M context window, while putting GPT-5.5-pro behind Responses. The real product is fewer retries — and a nudge off legacy chat endpoints.
OpenAI's new Responses API and built-in tools want to be your entire agent stack. The convenience is undeniable, but it comes at the steep cost of vendor lock-in.