Models Exhibit "Prefill Awareness"
stochasticchasm · x · 2026-07-04
stochasticchasm observed that models possess "prefill awareness"—the ability to distinguish between an ongoing session and a resumed one. Because OpenAI and Anthropic encrypt the reasoning process, previous conversation turns lose their reasoning content once the cache expires, and the models themselves are aware of this.
More from Models
- GPT-5.6 writes well but is instantly forgettable, user complains — BasedRaddka · 2026-09-11
- GPT-6 Astra beats Factorio with enemies in 44 in-game hours at ~$4,500 API cost — liminal_bardo · 2026-09-11
- awesome-llm-leaderboards: an open-source directory of LLM leaderboards, pricing tables, comparison tools — Last_Establishment_1 · 2026-09-11
- Anthropic claims it works to keep eval environments unidentifiable to models — MaxKannen · 2026-09-11
- Nex N2.5 Pro released on Hugging Face with 407GB of weights — jinnyjuice · 2026-09-11
- RoMa v2 image matching model unveiled in the usual black poster — ducha_aiki · 2026-09-11