Tag

#openai

3 posts tagged.

OpenAI Prompt Caching: 4 Recipes That Ship (2026)

OpenAI prompt caching is implicit, so the failure mode is not a cache you never made, it is one you keep destroying. Four recipes, the request settings that void a prefix without touching your text, and the two token floors the vendors disagree on.

September 1, 20268 min read81

Recipes

frequency_penalty vs presence_penalty: 4 Recipes That Ship (2026)

frequency_penalty counts, presence_penalty flags. Four copy-paste recipes for when to grab which OpenAI sampling knob, plus the one config that quietly breaks your JSON.

August 5, 20265 min read157

Recipes

Prompt Injection Defenses That Hold Up (2026)

Four prompt-layer defenses against prompt injection that measurably help, three that are theater, and the one architecture rule that actually keeps you safe. With paste-ready prompts and each failure mode.

July 3, 20264 min read140