{"slug": "ask-hn-how-are-you-solving-long-term-memory-for-production-ai-agents-in-2026", "title": "Ask HN: How are you solving long-term memory for production AI agents in 2026?", "summary": "Developers building production AI agents in 2026 are using simple vector search, keywords, BM25, text matching, and RRF for long-term memory, avoiding graph construction due to costs. One team reports a single SQLite file works for up to a few million document chunks.", "body_md": "Specifically interested in teams who moved past demos into real production workloads. Mem0, Zep, custom solutions — what's actually working and what keeps breaking?\n\nSimple vector search + keywords + bm25 + text match + RRF. We specifically avoided graph construction due to associated costs. Everything is in just one sqlite file. Works fine for up to a few million document chunks.", "url": "https://wpnews.pro/news/ask-hn-how-are-you-solving-long-term-memory-for-production-ai-agents-in-2026", "canonical_source": "https://news.ycombinator.com/item?id=48683139", "published_at": "2026-06-26 06:41:36+00:00", "updated_at": "2026-06-26 07:04:55.856968+00:00", "lang": "en", "topics": ["ai-agents", "ai-tools", "ai-infrastructure", "large-language-models", "artificial-intelligence"], "entities": ["Mem0", "Zep", "SQLite"], "alternates": {"html": "https://wpnews.pro/news/ask-hn-how-are-you-solving-long-term-memory-for-production-ai-agents-in-2026", "markdown": "https://wpnews.pro/news/ask-hn-how-are-you-solving-long-term-memory-for-production-ai-agents-in-2026.md", "text": "https://wpnews.pro/news/ask-hn-how-are-you-solving-long-term-memory-for-production-ai-agents-in-2026.txt", "jsonld": "https://wpnews.pro/news/ask-hn-how-are-you-solving-long-term-memory-for-production-ai-agents-in-2026.jsonld"}}