Memory is the most marketed and least delivered feature in the AI companion space. Most platforms claim to remember you but either reset between sessions or just pull from a profile you filled in manually. After two years of testing the ones that actually carry real conversational context across weeks are rare. Just published a full breakdown of which platforms actually deliver on this versus which ones are just marketing: medium.com/@companaya/nomi-ai-review-2026-is-it-worth-it-tested-c91811dcb24a

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[–] Companaya@lemmy.world [S] 1 point 4 months ago (1 child)

No public analytics that I've seen platforms keep that close to the chest. From actually using these things though the ones that hold up seem to be doing selective memory extraction rather than dumping the full conversation history into every context window. Key facts, emotional markers, relationship milestones — that kind of thing. Which makes sense because a raw running log would be insane compute costs for a $15/month product. Still way more expensive than session-only chat which is probably why free tiers get quietly capped so fast.

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[–] venusaur@lemmy.world 1 point 4 months ago

For sure. I can imagine these types of tools will keep getting bigger and leveraging massive amounts of data for a single user. There’s a future where the models are being tuned or even pre-trained (is that right?) on a regular basis. You’re in school. You get an AI assistant on your new laptop. It asks you some setup questions and tunes on the spot. After a month it pre-trains with your data and then continues to tune.

I was thinking it must be unrealistic and kind of freaky as an AI companion to remember so many little things. As an assistant though, it’s great.

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