Snapshot · The a16z Show
The lighthouse quadrant is defined by high buyer exposure/risk and high social proof travel — typically regulated industries where buying the wrong software can lead to legal or regulatory consequences.
Where this was said
At 3:40 · chapter starts 1:46
Elena opens the episode proper and prompts Joe Schmidt to explain the origin of his piece — an observation made while driving up Highway 101, where he noticed competing AI companies targeting the exact same San Francisco logos rather than considering the much broader opportunity elsewhere. [1] — Joe Schmidt "Two axes define your GTM destiny: buyer exposure (high vs. low risk of buying wrong) and whether proof travels in your market. High exposur…" 03:40 The framework that emerged is elegantly simple: a 2x2 matrix with buyer exposure on the Y-axis (the risk a buyer faces if they purchase the wrong product, including regulatory consequences and reputational harm) and proof travel on the X-axis (whether a successful customer win generates social proof that cascades through an industry). The top-right quadrant — high exposure, strong proof travel — defines the lighthouse market: regulated industries where getting it wrong can mean legal trouble, and where a few marquee wins unlock a flood of followers. The bottom-left defines the land-grab market: low buyer exposure, established budgets, where the seller just needs to show the math. Joe is careful to describe these as 'proof' versus 'math' — a clean shorthand that will carry the rest of the episode.
Two axes define your GTM destiny: buyer exposure (high vs. low risk of buying wrong) and whether proof travels in your market. High exposure plus strong social proof travel = lighthouse. Low exposure plus provable math = land grab. Get the diagnosis wrong and you'll waste months chasing the wrong customers.
The land-grab quadrant is defined by low buyer exposure and low social proof travel — markets where an established budget exists and the seller can show the math of superior ROI.
Bhanu grew SiteGPT to $13,000 monthly recurring revenue entirely through organic channels, spending nothing on paid marketing.
More than 1 million people have visited SiteGPT's website since launch in March 2023, all through organic channels.
Approximately 90% of SiteGPT's Google search traffic comes from the free tools Bhanu built, not the main product pages.
Bhanu sold his first SaaS product, Feather, for $250,000 so he could focus fully on the faster-growing SiteGPT.
SiteGPT has generated approximately $500,000 in total revenue since its launch in March 2023.
The average customer lifetime value for SiteGPT is approximately $1,700 to $1,800, which Bhanu considers unusually high.
SiteGPT receives around 50,000 visitors per month, of which about 200 convert to leads and 60 start free trials.
SiteGPT hit $10,000 MRR within its very first month of launch, driven largely by early traction in the AI chatbot space.
Despite strong download numbers, PropGPT could not push past $1,000–$2,000 MRR due to poor product retention.
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