刘宁Ning Liu
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传统企业的 AI 项目,为什么大多数都白做了?Why most AI projects at traditional companies end up wasted

2026-06-15

老板从一场饭局回来,说:"我们也得搞 AI。"

于是立项、招人、找供应商,轰轰烈烈干了半年。然后呢?钱花了,demo 做出来了,汇报也开了——但业务该怎么转还怎么转,那套系统慢慢没人再提。

这个剧本,我见过太多遍。

我做了 8 年 CTO(在两家集团),从 2018 年起就扎在企业 AI 落地的一线——前几年做的是大模型出现之前的那批判别式 AI:计算机视觉、语音识别合成、自然语言处理,在一个个具体业务场景里落地;从 2024 年起,转向大模型应用。这些年里,我在一家大型地产集团从 0 搭过覆盖十几个业务板块的 AI 中台,在一家上市教育集团主导过全面数字化转型,最近也在给一些大型国企做 AI 落地的外脑。看下来一个最反直觉的结论是:

传统企业的 AI 项目失败,绝大多数不是败在技术,是败在"落地方法"。

具体说,是这三个坑。

坑一:老板拍板,业务不痛——项目从第一天就是"政治任务"

最常见的失败模式,是需求来自老板的一句话,而不是业务方的真实痛点。

老板有 AI 焦虑,这很正常。但当一个 AI 项目的驱动力是"老板要做"而不是"业务方需要",事情从一开始就拧着:

我带团队做过一个大型集团物业的智能客服项目,技术栈从多轮对话一路迭代到大模型、RAG、GraphRAG、多 Agent,技术上全跑通了。但其中一些版本止步于 demo——不是做不出来,是做出来之后,业务侧没有真正的拉力。

怎么破:项目启动前,先问一个问题——"如果这个 AI 不做,业务方会不会难受?"如果答案是"不会",那它大概率是个政治产品。一把手工程不是不行,但一把手得想清楚方向、并且跟到底,而不是今天一个想法、明天换一个。

坑二:没有 baseline——花了钱,却根本说不清有没有用

第二个坑,几乎是第一个坑的孪生兄弟:AI 项目启动时,没有人定下"做之前是什么样、做到什么算成功"。

没有 baseline 的 AI 项目,无论技术多领先,最后都无法证明它对业务的真实贡献。客户问一句"这东西到底带来了多少提升",团队只能含糊其辞——而含糊,在决策层眼里就等于"没用"。

更麻烦的是,等你想补 baseline,时机已经过了:上线前的对照数据没留,事后无从倒推。

怎么破:把"定 KPI 和 baseline"写进 AI 项目的启动清单,和定预算同等重要。哪怕只是几个粗指标——响应时长、转人工率、人均处理量——也比什么都没有强。能被度量,这个项目才有资格谈 ROI。

坑三:追时髦技术——该上大模型 / GraphRAG 的时候,和不该上的时候

第三个坑,是技术选型上的"宁可错杀"。

这两年,老板们听过太多新词:大模型、GraphRAG、多 Agent、Agentic……于是很容易陷入"别人都上了我们也得上"的焦虑,结果是为了时髦多花了一大笔冤枉钱。

拿企业知识库这个最常见的场景,和被追捧的 GraphRAG 举例,说清楚"什么时候该上、什么时候不该上"。

普通(向量)RAG 解决的是"找相似"。 把问题向量化,检索语义最接近的文档片段喂给大模型作答。企业里绝大多数知识问答——查制度、查流程、查 FAQ、查某条具体记录——本质都是单点、单跳的事实召回,普通 RAG 就足够,又快又省。

它解不了的,是需要"把分散信息连成线"的问题。 因为向量检索的本质是找相似,它并不理解实体之间的关系结构。所以三类问题它力不从心:多跳推理(A 关联 B、B 又关联 C,要顺着链条推下去)、全局聚合(整体趋势、跨记录统计)、关系推理。GraphRAG 的思路正是补这一块——用大模型从语料里抽取实体和关系、建成知识图谱,再在图上检索,于是能回答"跨多个实体、顺着关系链"的问题。

但 GraphRAG 的代价很实,恰恰是最容易被忽略的:

  1. 建索引贵——抽取实体关系靠大量大模型调用,大语料建图既慢又烧钱;
  2. 增量更新弱——图结构往往是全局构建的,新数据进来常常要重建,不适合高频变化的数据;
  3. 不适合实时——它本质是一张静态快照,做不了"今天的实时数据"这类统计;
  4. 大图有性能账——图规模上去后,查询延迟要实测,不能想当然。

怎么破:技术选型永远服务于业务问题,不是反过来。正确姿势不是在普通 RAG 和 GraphRAG 之间二选一,而是按问题类型分流——点查 / 单跳召回走普通 RAG,多跳推理 / 关系推理 / 全局聚合才上 GraphRAG,实时统计直接走结构化查询(比如 Text2SQL)。再用一个编排层按问题把请求路由到对的路径上。赌单一最时髦的技术,几乎一定会在某类问题上栽跟头。

三个坑的共性

你可能已经发现了:这三个坑,没一个是"模型不够强""算法不够好"。

它们的共性是——AI 落地的真正难点,从来不是技术本身,而是"战略和业务对不对齐",以及"够不够务实"。

传统企业要用好 AI,第一步不是买技术,是先想清楚这两件事。想清楚了,AI 是放大器;没想清楚,AI 只是又一笔沉没成本。

The boss comes back from a dinner and says: "We need to do AI too."

So you kick off a project, hire people, line up vendors, and go hard for six months. And then? The money's spent, a demo exists, the presentation happened — but the business runs exactly as before, and the system quietly stops being mentioned.

I've seen this script too many times.

I've spent 8 years as a CTO (at two groups) and have been on the front line of enterprise AI since 2018 — early on with the discriminative AI that came before large models (computer vision, speech, NLP), shipped into one concrete business scenario after another; and since 2024, on LLM applications. Along the way I built a group-level AI platform serving 10+ business units at a large property group, led a full digital transformation at a listed education group, and recently served as an outside AI advisor to several large state-owned enterprises. The most counterintuitive conclusion I've drawn:

When AI projects at traditional companies fail, it's almost never the technology. It's the execution.

Specifically, three traps.

Trap 1: The boss decides, the business doesn't hurt — a "political project" from day one

The most common failure mode: the requirement comes from one sentence by the boss, not from a real pain point in the business.

Bosses have AI anxiety; that's normal. But when a project is driven by "the boss wants it" rather than "the business needs it," it's misaligned from the start:

I led an intelligent-customer-service project for a large group's property arm, where the stack iterated from multi-turn dialogue all the way to LLMs, RAG, GraphRAG, and multi-agent. Technically it all worked. But some versions stalled at the demo stage — not because we couldn't build them, but because once built, there was no real pull from the business side.

How to avoid it: before kicking off, ask one question — "If we don't build this AI, will the business feel the pain?" If the answer is no, it's probably a political product. Top-down sponsorship isn't the problem; the problem is a sponsor who doesn't settle on a direction and see it through — one idea today, a different one tomorrow.

Trap 2: No baseline — you spent the money but can't say whether it worked

The second trap is almost the twin of the first: when the project starts, no one defines "what it looked like before" and "what counts as success."

An AI project with no baseline, no matter how advanced, can never prove its real contribution to the business. When someone asks "so how much did this actually improve things," the team can only be vague — and to decision-makers, vague means useless.

Worse, by the time you want to add a baseline, the moment has passed: the pre-launch comparison data was never captured, and you can't reconstruct it after the fact.

How to avoid it: put "define KPIs and a baseline" on the project's kickoff checklist, as important as setting the budget. Even a few rough metrics — response time, escalation rate, cases handled per person — beat nothing. Only what can be measured earns the right to talk about ROI.

Trap 3: Chasing shiny tech — when to use LLMs / GraphRAG, and when not to

The third trap is a "better safe than sorry" reflex in technology selection.

In the last couple of years, bosses have heard too many new terms: large models, GraphRAG, multi-agent, agentic… It's easy to fall into "everyone else is doing it, so we must too" — and end up paying a hefty premium for fashion.

Take the most common scenario, an enterprise knowledge base, and the much-hyped GraphRAG, to make clear when it's worth it and when it isn't.

Plain (vector) RAG solves "find similar." It vectorizes the question, retrieves the most semantically similar document chunks, and feeds them to the model. The vast majority of enterprise Q&A — looking up a policy, a process, an FAQ, a specific record — is single-hop factual retrieval. Plain RAG is enough, and it's fast and cheap.

What it can't solve is connecting scattered information into a chain. Because vector retrieval is fundamentally about similarity, it doesn't understand the relationship structure between entities. So it struggles with three kinds of questions: multi-hop reasoning (A relates to B, B relates to C, follow the chain), global aggregation (overall trends, cross-record statistics), and relational reasoning. GraphRAG exists to fill exactly this gap — use an LLM to extract entities and relationships from the corpus, build a knowledge graph, and retrieve over the graph, so it can answer questions that span multiple entities along a relationship chain.

But GraphRAG's costs are real, and easily overlooked:

  1. Indexing is expensive — extracting entities and relationships relies on many LLM calls; building a graph over a large corpus is slow and costly;
  2. Weak incremental updates — the graph is often built globally, and new data frequently forces a rebuild, making it a poor fit for fast-changing data;
  3. Not for real time — it's essentially a static snapshot; it can't do "today's live data" statistics;
  4. Performance cost at scale — once the graph gets large, query latency has to be measured, not assumed.

How to avoid it: technology selection always serves the business problem, never the other way around. The right move isn't to choose between plain RAG and GraphRAG — it's to route by question type: point lookups / single-hop retrieval go to plain RAG; multi-hop / relational / global-aggregation questions go to GraphRAG; real-time statistics go straight to structured queries (e.g., Text2SQL). Then use an orchestration layer to route each request to the right path. Betting everything on the single trendiest technology will almost certainly fall over on some class of question.

What the three traps have in common

You've probably noticed: none of these three is "the model isn't strong enough" or "the algorithm isn't good enough."

What they share is this — the real difficulty of AI adoption is never the technology itself, but whether strategy and business are aligned, and whether you're being pragmatic.

For a traditional company to use AI well, the first step isn't buying technology — it's getting clear on these two things. Get them right, and AI is an amplifier. Get them wrong, and AI is just one more sunk cost.

刘宁 Ning Liu|帮传统企业把 AI 跑通的人。8 年 CTO、集团级 AI 中台技术负责人,多年企业 AI 落地实战(近年专注大模型应用)。现为中型企业提供 AI 落地诊断、战略、Sprint 与 Fractional AI Lead 服务。聊聊你的 AI 落地 →
Ning Liu — Your Fractional CTO for AI. 8 years in CTO roles, group AI-platform lead, hands-on with enterprise AI since 2018 (LLM-focused recently). I offer AI Audit, Strategy, Delivery Sprint and Fractional AI Lead to mid-market companies. Let's talk about your AI →