Funnel fundamentals

TOFU, MOFU, BOFU: the complete B2B funnel guide

By Arnav Mukherjee, founder of TofuBofu · July 8, 2026

I named this company TofuBofu. It is a play on the two oldest letters in B2B marketing: TOFU, the top of the funnel, and BOFU, the bottom. Every marketer I have ever worked with lives somewhere on the line between a stranger who has never heard of you and a buyer with a card in hand. That line is the funnel, and it has run B2B for a hundred years.

Then the front door of it moved. A buyer used to start at Google. Now a majority open an AI assistant and ask for a shortlist before they visit a single website. The funnel did not disappear. Its top just got rebuilt. This guide is the whole thing: what TOFU, MOFU and BOFU actually mean, every inbound and outbound channel mapped to each stage, the two copywriting frameworks that make the writing work, and the part that changed under everyone's feet.

What TOFU, MOFU, and BOFU actually mean

TOFU, MOFU and BOFU are shorthand for the three stages of the marketing funnel: top of funnel, middle of funnel, and bottom of funnel. They are not really about your marketing at all. They are about how far a buyer is from a decision, and each stage describes a different state of mind.

TOFU is awareness. The person has a problem but may not know your brand, or even that a category of solution exists. Their mindset is exploratory. They want to understand the problem, not sit through a demo. The question in their head is a broad one: "why does this keep happening" or "how do other companies handle this."

MOFU is consideration. Now they know solutions exist and they are comparing. They read case studies, sit in webinars, and open a browser tab for every vendor a peer mentioned. Their question has sharpened: "which approach is right for a company like mine" and "who is actually good at this."

BOFU is decision. They have a shortlist and they are pressure-testing it. Pricing, implementation, support, risk. Their question is narrow and commercial: "is this the one, and can I defend the choice." Your job here is to remove friction and give them the last piece of proof.

One correction to the classic picture: in 2026 the funnel is not a straight line anyone marches down. Buyers enter at any stage, loop backward, disappear to research on their own, and pull in AI and colleagues before you ever hear from them. The model still holds as a map of intent. It just stopped being a conveyor belt. A common starting split for a B2B content library is roughly half TOFU, a third MOFU, and the rest BOFU, but the right ratio is whatever matches where your buyers actually get stuck.

TOFU channels: how buyers first hear of you

The top of the funnel is the Attention stage in the AIDA model, the oldest framework in advertising. Your only job is to get noticed by the right stranger while they are still learning. That splits cleanly into two motions: inbound, where they find you, and outbound, where you find them.

Inbound TOFU channels. Search remains the workhorse: SEO blog posts and pillar guides that answer the broad, informational questions a problem-aware buyer types. Alongside it now sits AI search, which I will come back to, because it has become the single biggest change to this stage. Then the media channels: YouTube and short-form video, podcasts, and organic social, which for B2B means LinkedIn, X, and increasingly Reddit, where buyers trade honest opinions. Industry research and original data reports earn links and citations. Earned media and PR put your name in places you do not own.

Outbound TOFU channels. Paid awareness advertising on LinkedIn, paid social, and display buys attention at scale. Sponsorships of newsletters, podcasts, and communities borrow someone else's audience. Events and conferences, both hosting and attending, put you in a room. And the first, soft touch of cold outreach, an email or a connection request that opens with a relevant idea rather than a pitch, is a TOFU move even though most people run it badly as a BOFU one.

One modern twist cuts across both motions: in product-led growth, the product itself becomes a top-of-funnel channel. A free tool or an instant audit creates awareness by delivering value before anyone speaks to sales, then pulls the user deeper on its own. It is exactly how our own free AI visibility scan works, and it is why so many B2B companies now lead with a useful free tool instead of a gated ebook.

The keyword intent to target here is informational and broad. Long-tail questions, "how to," "what is," "why does." You are not trying to sell. You are trying to be the most useful answer to a problem, so that when the buyer moves down the funnel, they move down it thinking about you.

MOFU channels: where trust is won or lost

The middle is where interest turns into intent, and it is the stage most B2B companies neglect. This is the home of the PAS framework: Pain, Agitate, Solution. You name the specific pain the buyer feels, you make the cost of leaving it unsolved feel real, and only then do you present your approach as the resolution. MOFU content that skips straight to "here is our feature list" loses to content that first proves you understand the problem better than the competition does.

Inbound MOFU channels. Webinars and workshops that teach rather than pitch. Lead magnets and gated guides that trade depth for an email. Email nurture sequences that stay useful. Case studies, the most underrated B2B asset, because they let a buyer see themselves in someone who already succeeded. Comparison guides that honestly weigh approaches. And third-party review sites, G2, Capterra, and Clutch, where buyers go to check whether your marketing matches reality.

Outbound MOFU channels. Retargeting ads that stay in front of people who already visited. LinkedIn nurture and social selling, where a rep shows up helpfully in a prospect's feed for weeks before any ask. Account-based marketing, which coordinates ads, content, and outreach against a named list of target accounts. And intent-data outreach, where a signal, a pricing-page visit, a competitor mention, tells you a buyer is warming up and worth a personal note.

The keyword intent shifts to commercial investigation: "best X for Y," "X alternatives," "how to choose a Z." The buyer is comparing, so your content should make the comparison easy and make you look good in an honest one.

BOFU channels: the ones that actually close

The bottom of the funnel is the Action stage. The buyer is ready. Your job is to remove the last doubt and make saying yes easy. Everything here is about specificity and proof, not persuasion.

Inbound BOFU channels. Comparison and "alternatives to" pages that capture buyers searching for a named competitor. Reviews and testimonials placed right next to the call to action. Free trials, free tools, and instant audits that let a buyer feel the value before paying. Transparent pricing pages that respect their time. And referrals, still the highest-converting source in B2B, because a trusted recommendation does the whole funnel in one sentence.

Outbound BOFU channels. The sales demo and discovery call. Branded search ads that make sure you own your own name when a buyer finally looks you up. Direct outreach with a concrete offer. And risk reversal, money-back guarantees or short pilots, which is less a channel than a tactic that unsticks the nearly-decided.

The keyword intent is transactional and branded: "X pricing," "X vs Y," "X alternatives," your own brand name. If you are absent from these, you lose deals to competitors who simply showed up at the moment of choice.

Inbound vs outbound, at every stage

Most guides treat inbound and outbound as rival strategies. They are not. They are two ways to be present at the same stage. Inbound captures demand that already exists: the buyer is looking, and you make sure you are found. Outbound creates or accelerates demand: the buyer is not looking yet, and you reach out first. A complete funnel does both at every level.

At TOFU, inbound is your SEO, AI search, video, and social presence; outbound is your paid awareness, sponsorships, and events. At MOFU, inbound is your webinars, case studies, and review-site profiles; outbound is your retargeting, ABM, and nurture. At BOFU, inbound is your comparison pages, trials, and referrals; outbound is your demos, branded ads, and direct offers. The companies that win are not the ones that pick a side. They are the ones that make sure a buyer cannot move through any stage without meeting them, whether the buyer came looking or not.

Outbound itself has quietly modernized, which is why "outbound is dead" was always wrong. The best teams no longer spray a static list. They trigger outreach on signals, a funding round, a new hire in a relevant role, a competitor mention, a pricing-page visit, and increasingly let AI handle the research and the first draft. Some call it signal-based selling; others call it GTM engineering. The channel is old. The targeting is new.

The new top of the funnel: AI search rewrote TOFU

Here is the change that reorganized this whole diagram. The top of the funnel used to be a Google search. It is now, for most B2B buyers, a conversation with an AI. According to G2's 2026 buyer research, 51% of B2B buyers now start their research with an AI chatbot, up from 29% a year earlier, and Forrester found that 94% of B2B buyers use generative AI at some point in the journey, with twice as many now citing AI as a top research source.

That does two things to the funnel. First, AI is a new TOFU discovery channel: it is where awareness now begins. Second, and this is the part people miss, AI is not only a TOFU channel. When a buyer asks "what are the best options for a company like mine," the model answers with a shortlist of named vendors. That is a MOFU and BOFU act happening at the top of the funnel. The shortlist forms before the buyer visits a website, reads a case study, or fills in a form. If the AI does not name you, you are not in the consideration set, and you will never see the deal you lost.

This is why we treat AI search as its own discipline, answer engine optimization and generative engine optimization, rather than folding it into SEO. SEO is the floor: a site that cannot be crawled and read will not be cited. But AEO is a distinct layer you can win even when your Google rank does not move, because AI engines choose what to cite differently from how Google ranks. They favor clearly structured, genuinely useful content and, heavily, third-party corroboration. An SE Ranking study found that 71% of the pages ChatGPT cites use structured data. Profound's research shows brands present on four or more third-party platforms get cited roughly 2.8 times more often, and that Reddit is one of the single most-cited sources in AI answers. Being the name AI recommends is a game with its own rules, and it sits right at the top of your funnel now.

Write for the stage: AIDA, PAS, and matching intent

Two frameworks do most of the work once you know which stage you are writing for. AIDA, coined by the advertising pioneer E. St. Elmo Lewis in 1898, breaks a purchase into Attention, Interest, Desire, and Action. It maps almost perfectly onto the funnel: Attention is TOFU, Interest and Desire are MOFU, and Action is BOFU. Use it to sanity-check a page. A TOFU blog post that opens by demanding action is skipping three steps, and it will bounce.

PAS, Pain, Agitate, Solution, is the sharper tool for the middle and bottom. Name the pain in the buyer's own words. Agitate it by making the cost of doing nothing concrete. Then present your solution as the obvious resolution. PAS is direct-response copywriting distilled, and it is why a good comparison page or sales email outperforms a feature list: it earns the right to pitch by proving it understands the problem first.

The last discipline is intent matching. Every keyword carries an intent, and the intent tells you the stage. Informational queries ("what is," "how to") are TOFU. Commercial-investigation queries ("best," "vs," "alternatives") are MOFU. Transactional and branded queries ("pricing," a competitor's name, "buy") are BOFU. The single most common content mistake in B2B is answering a TOFU query with a BOFU pitch, or worse, writing a BOFU comparison as if it were a gentle TOFU explainer. One page, one stage, one intent. Do that consistently and the funnel builds itself.

Putting it together

The funnel is still the clearest map we have of how a B2B buyer moves from stranger to customer. TOFU earns attention, MOFU earns trust, BOFU earns the decision. Every inbound and outbound channel has a stage where it works best, and the best programs cover all of them so a buyer cannot slip through unmet. What changed is the entrance. The top of the funnel now runs through AI, and the shortlist gets written before a buyer ever lands on your site. Build the classic funnel well, then make sure you win the new front door, because that is where being chosen now begins.

Frequently asked questions

Sources and further reading

The frameworks, buyer data, and mechanisms behind this guide:

• Funnel.io, Understanding the TOFU, MOFU, BOFU model. A clear reference on the three funnel stages and the buyer intent behind each.
• SmartBug Media, TOFU, MOFU and BOFU: the sales funnel explained. Content types and mindset that fit each stage.
• Cognism, the B2B demand generation funnel. Awareness, consideration and decision framed as create, capture and convert demand.
• Oban International, how to apply the AIDA model. Background on AIDA, coined by E. St. Elmo Lewis in 1898, and how it maps to modern funnels.
• Ahrefs, search intent in SEO. The informational, commercial and transactional intent types that match TOFU, MOFU and BOFU keywords.
• Gartner, the B2B buying journey. Evidence that buyers spend most of the purchase journey researching independently, not with vendors.
• Gartner (2026), 67% of B2B buyers prefer a rep-free experience. The self-serve shift that makes free tools and content the front line.
• OpenView, product-led growth. The PLG model, coined in 2016 by Blake Bartlett, where the product itself drives acquisition.
• ProductLed, product-led growth definition and examples. How free tools and trials deliver value before the sale.
• Lewis et al., Retrieval-Augmented Generation (arXiv:2005.11401). The mechanism behind how AI systems retrieve and cite external sources when they answer.
• G2 Buyer Behavior Report (2026). Source for 51% of B2B buyers starting research with an AI chatbot, up from 29% a year earlier.
• Forrester (2026). Source for 94% of B2B buyers using generative AI, with twice as many citing AI as a top research source.
• SE Ranking AI search study (2026). Source for 71% of the pages ChatGPT cites using structured data.
• Profound, AI citation research. Source for the 2.8x citation lift from presence on four or more third-party platforms, and Reddit as a top-cited source.