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MC
AI Lead
Marcus Chen
Marcus heads up AI at Nuxa. Previously a research engineer at two LLM-focused startups, he writes about how language models actually behave in production restaurant workflows — what works, what breaks, and what's still vapor.
LLM agentsPrompt engineeringAI reliability
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Posts by Marcus
- May 12, 2026 · AI OperationsWhy your AI assistant lies about your menu — and how cite-or-die fixes itGeneric AI assistants invent prices, dishes, and hours with total confidence. Here's why hallucination is structural, what it costs a restaurant in real refunds and one-star reviews, and how Nuxa's cite-or-die guardrail rejects any output that can't point to its source.Read post
- May 14, 2026 · AI OperationsAI review replies with vs. without human approval: what actually happensFully automatic review replies sound efficient until the AI apologizes for a dish you never served or promises a refund you never authorized. Here's what the data says about approval-gated replies — and why Grace, Nuxa's review employee, never posts without your sign-off on anything risky.Read post
- May 3, 2026 · AI OperationsBest AI tools for restaurants in 2026: why Nuxa.ai is building the AI operating system for restaurantsThe best AI tool for restaurants in 2026 isn't another dashboard, chatbot, or caption writer. It's an operating system — one shared brain across SEO, reviews, content, social, ordering, and revenue.Read post
- Apr 8, 2026 · AI OperationsAI replies vs. canned replies: what guests actually notice (4,000-reply A/B test)We A/B tested 4,000 review replies across 80 restaurants. Half got generic templates, half got AI replies trained on the restaurant's voice. The winning pattern was not what we expected.Read post
- Feb 25, 2026 · AI OperationsWhat 'AI for restaurants' actually means in 2026 — a buyer's guide for operatorsAI for restaurants isn't one product. It's four distinct categories, with very different track records. Here's what works, what doesn't, and what to ask before signing.Read post
- May 4, 2026 · AI OperationsThe Restaurant Chatbot Era Is Over — Meet the AI Team That Replaces ItThe restaurant chatbot never worked because it had no data, no memory, and no specific job. Here's the team-based model that replaces it.Read post
- Apr 24, 2026 · AI OperationsAI employees, explained — the team that actually runs your restaurant's marketingAI employees aren't AI features. They're persistent agents with job descriptions, shared memory, and weekly evals. Here's the ten-person team that runs marketing for 4,200+ restaurants — by name.Read post
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