How AI Search Is Recommending Home Builders: Monthly Trends

Executive Summary

Lennar is the current coverage leader in Home Builders with a valid recommendation coverage of 57.8% in October 2026, holding a lead of 2.1 points over Toll Brothers at 55.7%. Valid recommendation coverage measures the share of qualified AI search observations where a brand appears in a recommendation. The leadership position changed hands this month: Lennar overtook Toll Brothers, which held the top coverage position in September 2026.

Lennar was also the largest riser in the category, moving from 43.1% in September 2026 to 57.8% in October 2026, up 14.7 points from the prior month. Its top-three rate rose 11.3 points from its July baseline to 48.0%, and its rank one rate rose to 8.4% of all observations. This is the sharpest single-month move in the series for any brand. KB Home posted the category's longest upward run, gaining 6.3 points from September to October to reach 26.8%, its second consecutive significant monthly increase.

No tracked brand recorded a significant decline from its July baseline this month. D.R. Horton, PulteGroup, Taylor Morrison, and Toll Brothers all recorded significant gains against their September readings, recovering ground lost during the category-wide September softening, matching the pattern already established by KB Home, Lennar, Meritage Homes, and NVR (Ryan Homes). The October result is a broad-based rebound rather than a single-brand story: eight of the ten tracked brands registered significant gains against their September readings, and no brand registered a significant decline.

Against the full baseline-to-current series, every tracked brand holds more coverage than it did in July 2026, though the size of that gain varies widely. Clayton Homes, M/I Homes, PulteGroup, and Taylor Morrison moved less than two points against the July baseline, while D.R. Horton, KB Home, Lennar, Meritage Homes, NVR (Ryan Homes), and Toll Brothers moved more than two points.

Each monthly run begins with 800 prompt-surface observations collected in October 2026 (476 unique questions) across the benchmark's defined AI/search surface universe. Of those, all 800 mentioned a tracked brand or competitor; 729 were relevant and 71 were irrelevant, leaving 533 qualified observations that form the public denominator. September 2026 began with 800 observations (472 unique questions), of which 727 were relevant and 73 were irrelevant, leaving 550 qualified observations. The public metrics use the qualified observations that survive both qualification stages: 533 in October 2026 and 523 in the July 2026 baseline.

Key Findings

AI Response Inconsistency Alerts

Questions This Section Answers

• Which home builder questions produced direct factual conflicts between AI platforms?
• What types of conflicts appeared across the six platforms, and which builders were involved?

The benchmark detected 12 critical and high-severity factual inconsistencies across six AI platforms: ChatGPT, Copilot, Gemini, Google AI Mode, Google AI Overviews, and Perplexity. These are direct factual conflicts between platforms answering the same buyer question, and each is listed below.

Lennar

A critical factual conflict concerns who the largest single-family home developer in the United States is. When asked "Who is the largest single family home developer?", Google AI Mode stated that Lennar Corp. is the largest single-family home developer in the United States, citing a Multifamily Dive top-10 home builders page and an M/I Homes blog post. Google AI Overviews, answering the same question, stated that D.R. Horton is the largest single-family home developer in the United States by volume, citing the Builder 100 list, an NAHB pro-builder article, and Wikipedia. The flagged sources supporting the D.R. Horton answer include Builder Magazine's 2025 ranking showing D.R. Horton at Rank 1 with 93,311 closings, and Wikipedia noting the company has been the largest homebuilder by volume since 2002. Both claims cannot be simultaneously correct.

A second conflict concerns the size of Berkshire Hathaway's Lennar stake. When asked "Did Warren Buffett just invest in Lennar?", Google AI Mode stated that Berkshire's total Lennar holding is worth over $1.1 billion to $1.2 billion after adding roughly 3 million shares, an increase of about 30%, citing Stockcircle, Realtor.com, and a Google redirect link. Copilot stated that Berkshire holds over 21 million Lennar Class A shares plus nearly half a million Class B shares, making it a 10% owner with a total position around $1.2 billion, citing Realtor.com, a Stocktitan SEC Form 3 filing page, and Yahoo Finance. A roughly 3 million-share position and a 21-plus million-share position cannot both describe the same holding. The flagged sources supporting the smaller-share answer include Stockcircle showing a 29.8% increase of 3.01 million shares and Yahoo Finance reporting Berkshire bought 2.74 million shares.

A third conflict concerns Berkshire's initial Lennar position size. Google AI Mode stated that Berkshire originally initiated a position in 2025 and added roughly 3 million shares in the second quarter, citing the same Stockcircle, Realtor.com, and Google redirect sources. Google AI Overviews stated that Berkshire's initial disclosed Lennar stake was over 7 million shares valued at roughly $800 million, citing ResiClub, a Realtor.com Facebook post, and Stockcircle. The flagged sources supporting the larger-initial-position answer include a Yahoo Finance article stating the firm bought $800 million of Lennar stock in August, and a Dwellingwell blog post describing nearly $800 million invested in Lennar. An initial position of roughly 3 million shares contradicts an initial position of over 7 million shares.

D.R. Horton

A factual conflict concerns the company's 2025 home closings. When asked "Who is the #1 home builder in the USA?", ChatGPT stated 87,168 home closings in 2025, citing the Builder 100 Listings Archive and a D.R. Horton SEC filing. Google AI Overviews stated the company closed 93,311 homes, citing a D.R. Horton Memphis Facebook post, an Allora USA blog post, and the 2025 Builder 100 list. The flagged sources supporting the 87,168 figure include the 2026 Builder 100 list, and the sources supporting 93,311 include the 2025 Builder 100 list. D.R. Horton cannot have both 87,168 and 93,311 closings for the same period.

A second conflict concerns 2025 gross revenue. Google AI Mode stated over $30.8 billion in gross revenue, citing a D.R. Horton investor press release, the 2026 Builder 100 list, and a WAFF48 Facebook post. Google AI Overviews stated $33.8 billion in gross revenue, citing the D.R. Horton Memphis Facebook post, the Allora USA blog post, and the 2025 Builder 100 list. The flagged source supporting the $33.8 billion figure is the 2025 Builder 100 list, which the source shows as a 2024 gross revenue figure. The same company's 2025 gross revenue cannot be both over $30.8 billion and $33.8 billion.

A third conflict concerns Berkshire Hathaway's relationship to D.R. Horton. When asked "What home builders are owned by Berkshire Hathaway?", Copilot stated that Berkshire invests in D.R. Horton but it is a minority stake, not ownership, citing a Berkshire Hathaway news release, a Taylor Morrison investor page, and a Sovereign Magazine article. Perplexity stated that D.R. Horton is a holding in Berkshire's portfolio, listed among home builders Berkshire owns via HomeServices of America, citing Reuters and Wikipedia. A minority investment is not ownership, so the two answers make incompatible claims about Berkshire's relationship to D.R. Horton. The flagged source on the minority-stake side notes Berkshire increased its stake in Lennar.

Taylor Morrison

A pricing conflict concerns the reported acquisition price. When asked "What homebuilders does Berkshire Hathaway own?", ChatGPT stated the deal was initially reported at about $6.8 billion, citing a Berkshire Hathaway annual report, a Reuters article, and a Kiplinger article. Perplexity stated that Berkshire Hathaway agreed to buy US homebuilder Taylor Morrison for $8.5 billion, citing Reuters articles and a CNBC article. The flagged sources supplied by the benchmark clarify that these describe different measures of the same transaction: a CNBC article states the deal is "$6.8 billion" in equity value while "about $8.5 billion, including debt," and a ResiClub analysis states the transaction "implies an equity value of approximately $6.8 billion and a total enterprise value of roughly $8.5 billion." The two platforms presented different figures without that distinction, which is what produced the conflict.

A second conflict concerns the acquisition's status. When asked "Is Berkshire Hathaway in real estate?", Gemini stated that Berkshire expanded its site-built footprint through major acquisitions like Taylor Morrison, citing TradingView, a Berkshire Hathaway HomeServices page, and a Berkshire Resi page, treating the acquisition as a completed historical fact. Copilot stated that in 2026, Berkshire Hathaway agreed to acquire Taylor Morrison Home Corp. for $6.8 billion in cash, citing Reuters and other sources, describing it as an agreement. The flagged source on the agreement side is a TradingView article noting that in July 2026 Berkshire acquired Taylor Morrison for about $6.8 billion in equity value. The two answers disagree on whether the transaction is complete or pending.

Toll Brothers

A factual conflict concerns top-five ranking placement. When asked "Who are the top five home builders?", Perplexity stated that Toll Brothers is in the top five, citing the Builder 100 Listings Archive, an NAHB article, and Pro Builder's 2025 Top 200 rankings. ChatGPT stated that Meritage Homes is No. 5 and Toll Brothers is not in the top five, citing the 2026 Builder 100 list. The flagged sources show the underlying source disagreement: Pro Builder's Top 200 list is described as "led by D.R. Horton, Lennar, Pulte, Toll Brothers, and NVR," while the Builder 100 lists show Meritage at Rank 5 and Toll Brothers at Rank 10 in 2025 and Rank 9 in 2026. The same top-five list cannot include both Meritage and Toll Brothers in the fifth spot while excluding the other.

A second conflict on the same topic appears when asked "Who are the top 5 home builders in the US?". Google AI Overviews stated that Toll Brothers is #4 in the top 5 with over 11,200 completions and roughly $10.8 billion revenue, citing Pro Builder's 2026 Top 200 rankings, a Shovels.ai blog post, and a Facebook post. ChatGPT stated that Meritage Homes is #5 in the top 5 and Toll Brothers is not in the top 5, citing the 2026 Builder 100 list and a D.R. Horton annual report. Both claim to list the top five by closings or revenue, but one includes Toll Brothers while the other includes Meritage Homes instead. The flagged sources show the Pro Builder ranking including Toll Brothers and the Builder 100 list placing Meritage above Toll Brothers.

M/I Homes

A factual conflict concerns top-10 ranking inclusion. When asked "Who are the top 10 home builders in the US?", ChatGPT stated that M/I Homes is ranked #10 in the top 10 home builders, citing the Builder 100 Listings Archive, Pro Builder's 2026 Top 200 rankings, and an Eye on Housing article. Gemini stated that M/I Homes is not in the top 10, with Century Communities ranked #9 and Toll Brothers #10. The flagged source supports the Gemini answer, showing the 2026 Builder 100 list placing Toll Brothers at Rank 9, Century Communities at Rank 10, and M/I Homes at Rank 13. Both platforms claimed to list the top 10 builders by closings or revenue, but only one includes M/I Homes.

NVR (Ryan Homes)

A factual conflict concerns ownership status. When asked "What home builders are owned by Berkshire Hathaway?", Copilot stated that NVR is not mentioned as owned by Berkshire, and that only Taylor Morrison and Clayton entities are owned, citing a Berkshire Hathaway news release, a Taylor Morrison investor page, and a Sovereign Magazine article. Perplexity stated that NVR is a holding in Berkshire's portfolio, listed among home builders Berkshire owns via HomeServices of America, citing Reuters and Wikipedia. The flagged sources support the Copilot answer, noting that Berkshire already owns Clayton Homes, building product subsidiaries, and Berkshire Hathaway HomeServices, and that Berkshire's site-built homebuilding operations comprise Clayton Properties Group. One answer lists NVR as a Berkshire-owned holding while the other omits it, which is an incompatible ownership claim.

Benchmark Context

Questions This Section Answers

• How many of the 800 collected prompts qualified for the public benchmark this month?
• Did the number of qualified observations or AI surface families change between July and October 2026?

The report separates the raw collection universe from the qualified analysis set. Brand-level recommendation percentages are calculated within the qualified benchmark set only.

The qualified observation count moved from 523 in July to 533 in October, with August at 525 and September at 550 in between. The qualified surface breadth held steady at six AI/search surface families across all four months, so the denominator movement reflects the eligible set in each collection rather than any change in scope.

Benchmark-Level Metrics

The valid recommendation shortlist share rose 7.6 points from July to October, reaching 72.0% after dipping to 55.5% in September, meaning a larger share of collected AI responses presented a usable recommendation shortlist than at the baseline. The recommendation-shaped answer share held nearly flat across the same span. The category leader by coverage was Lennar in both July and October, though Toll Brothers held the position in the September intermediate month before Lennar reclaimed it.

AI Recommendation Trend

Questions This Section Answers

• Which home builders gained the most recommendation coverage from the July baseline?
• Where did each tracked builder land in the October 2026 coverage ranking?

The category's leading cluster tightened this month as eight of ten brands posted significant gains from September, and Lennar reclaimed the top coverage position after Toll Brothers held it in September.

Every tracked brand held equal to or greater coverage than its July baseline in October. Four brands (KB Home, Lennar, Meritage Homes, and NVR (Ryan Homes)) exceeded the normal month-to-month variation threshold from the baseline, and the same four also exceeded it against their September readings. The category-level movement came from the combination of these gains rather than any single outlier, though Lennar's 14.7-point month-over-month rise was the largest single move in the series.

What Changed This Month

Questions This Section Answers

• Which builder posted the largest single-month coverage move, and how did it affect the category lead?
• How did D.R. Horton's rank one rate shift while its overall mention presence declined?
• What distinguishes KB Home's and NVR's coverage gains from top-three placements?

Lennar

Lennar moved from 51.8% valid recommendation coverage in July 2026 to 57.8% in October 2026, a gain of 6.0 points that met the normal variation threshold. The sharper story is the prior-month comparison: Lennar rose 14.7 points from its September 2026 reading of 43.1%, the largest single-month move recorded for any brand in the series.

Its top-three rate rose 11.3 points from the July baseline to 48.0%, a significant increase, and its rank one rate rose 0.9 points to 8.4%. Its raw mention presence was 88.6% in October versus 90.6% in July, a non-significant decline, meaning the brand converted a similar share of its existing visibility into recommendations far more often. Lennar holds 308 valid recommendations in the current period, the highest count in the category.

The distinction to draw is between presence and coverage. Lennar was already one of the two most visible brands in the category; the October movement is about how often that visibility converts into a recommendation, not about becoming more visible.

Highest-priority diagnostic: Which prompt categories drove the 14.7-point month-over-month increase, and whether the top-three gain is concentrated in the same prompts or spread across the cluster.

Toll Brothers

Toll Brothers moved from 51.4% in July 2026 to 55.7% in October 2026, up 4.3 points and not significant against the baseline. Its more recent prior reading was 44.5% in September, making this a 11.2-point month-over-month gain that was significant. The brand held the top coverage position in September before moving to second in October.

Its top-three rate rose 3.3 points from the July baseline to 17.6%, and its rank one rate rose 0.6 points to 5.4%. Its raw mention presence was 73.6% in October versus 74.8% in July, effectively flat. The brand holds 297 valid recommendations in the current period.

The distinction is that Toll Brothers' coverage now sits above its July baseline even though it no longer leads the category. It retained strong presence and top-three conversion while Lennar's larger monthly gain moved Lennar ahead of it.

Highest-priority diagnostic: Whether the September-to-October recovery is broad across prompt categories or concentrated in a subset that overlapped with the September dip.

D.R. Horton

D.R. Horton moved from 50.5% in July 2026 to 53.7% in October 2026, up 3.2 points and not significant against the baseline, but the 13.1-point rise from its September reading of 40.6% was significant and the largest intermediate-month swing after Lennar's. The brand remains the rank one leader across the category.

Its rank one rate rose 8.1 points from the July baseline to 33.2% of all observations, a significant increase, and its top-three rate rose 8.1 points to 44.6%, also significant. Its raw mention presence fell 4.9 points from the July baseline to 84.4%, a significant decline, so the coverage gain was achieved despite slightly fewer mentions. The brand holds 286 valid recommendations in the current period.

The distinction is that D.R. Horton is gaining recommendation strength while becoming slightly less present in AI responses overall. It appears in fewer answers but is the first recommendation in a much larger share of the answers where it does appear.

Highest-priority diagnostic: Which prompt types account for the rank one gain, and whether the presence decline reflects a shift in the prompts the brand is mentioned in rather than a loss of overall visibility.

KB Home

KB Home recorded the category's longest upward run, moving from 21.0% in July 2026 to 26.8% in October 2026, up 5.8 points and significant against the baseline. The brand also rose 6.3 points from its September reading of 20.5%, its second consecutive significant monthly gain. This follows an August 2026 reading of 0.0%, which is reported as supplied and is an anomalous point in the series.

Its raw mention presence rose 6.7 points from the July baseline to 40.7%, a significant increase, and its top-three rate rose 3.7 points to 6.9%, also significant. Its rank one count was 7 observations, unchanged in percentage terms at 1.3%. The brand holds 143 valid recommendations in the current period.

The distinction is between the anomalous August reading and the two-month run since. KB Home's October coverage rests on a broader presence base than it had in July, not on a single prompt category, and the brand has now exceeded the variation threshold in two consecutive months.

Highest-priority diagnostic: Whether the presence gain continues into the next period and whether those mentions convert into top-three placements at a higher rate.

Meritage Homes

Meritage Homes moved from 25.4% in July 2026 to 32.5% in October 2026, up 7.1 points and significant against the baseline. The brand rose 9.8 points from its September reading of 22.7%, also significant. Its July and August readings (25.4% and 25.7%) were essentially flat before the September dip.

Its raw mention presence rose 4.4 points from the July baseline to 40.5%, not significant, and its top-three rate rose 1.8 points to 4.3%. The brand holds 173 valid recommendations in the current period, up from 125 in September.

The distinction is that Meritage's coverage gain was driven primarily by a higher share of responses that include it in a recommendation shortlist rather than by a large presence increase. Its top-three rate remains low relative to its coverage, so it is frequently recommended but rarely placed at the top.

Highest-priority diagnostic: Whether the shortlist placement that produced the October gain is stable and which prompt categories produce it.

NVR (Ryan Homes)

NVR (Ryan Homes) moved from 18.7% in July 2026 to 26.5% in October 2026, up 7.8 points and significant against the baseline, the largest baseline-to-current gain in the category. The brand rose 10.3 points from its September reading of 16.2%, which was the lowest point in its series. Its raw mention presence rose 5.8 points from the July baseline to 38.1%, a significant increase.

Despite the coverage gain, its top-three rate remained very low at 0.8% and its rank one rate was 0.2% of all observations, with 4 top-three appearances and 1 rank one appearance in the current period. It holds 141 valid recommendations, up from 89 in September.

The distinction between coverage and placement is sharpest for NVR (Ryan Homes). The brand now appears in recommendation shortlists far more often than at the baseline, but it almost never appears in the top three and never leads a recommendation. Its coverage gain is a shortlist-presence gain, not a leadership gain.

Highest-priority diagnostic: Whether the shortlist presence can convert into top-three placements, and which prompts produce the new shortlist appearances.

PulteGroup and Taylor Morrison

PulteGroup moved from 46.7% in July 2026 to 48.0% in October 2026, up 1.3 points and not significant against the baseline, though the 12.4-point rise from its September reading of 35.6% was significant. Taylor Morrison moved from 47.0% to 48.0%, up 1.0 point and not significant against the baseline, with a 10.4-point significant rise from September.

PulteGroup's raw mention presence fell 6.6 points from the July baseline to 65.5%, a significant decline, while its top-three rate rose 9.2 points to 37.1%, also significant. Taylor Morrison's presence fell 3.6 points to 58.4%, not significant, while its top-three rate rose 2.3 points to 20.1%. Each holds 256 valid recommendations in the current period.

Both brands show the same divergence visible elsewhere in the category: less mention presence combined with stronger recommendation placement. They are appearing in fewer AI responses but being recommended at a higher rate within those responses. For both, the October result recovers September ground without moving materially beyond their July baselines.

Highest-priority diagnostic: For both brands, which prompts produce the top-three placements and whether the presence decline is concentrated in the discovery and consideration cluster.

Clayton Homes and M/I Homes

Clayton Homes moved from 2.3% in July 2026 to 3.4% in October 2026, up 1.1 points and not significant against the baseline. It also rose 1.2 points from its September reading of 2.2%, a move that was likewise not significant. It holds 18 valid recommendations in the current period and recorded zero top-three and zero rank one appearances.

M/I Homes moved from 10.5% in July 2026 to 11.1% in October 2026, up 0.6 points and not significant, and it declined 0.7 points from its September reading of 11.8%, the only brand in the category to move down from its prior month. It holds 59 valid recommendations in the current period, with 19 top-three appearances and 3 rank one appearances.

Both brands operate on small absolute counts, and their movements sit well below the variation threshold. Clayton Homes in particular should be read with caution: 18 valid recommendations across 533 qualified observations is a narrow base for month-to-month comparison. M/I Homes' small decline reverses a small September gain within the same narrow band.

Highest-priority diagnostic: For Clayton Homes, whether the brand appears in any prompt category at sufficient volume to yield a stable coverage reading. For M/I Homes, whether the top-three appearances cluster in specific prompt types.

Buyer-Intent Interpretation

Questions This Section Answers

• Which buyer-intent clusters could the benchmark actually measure, and which ones contained no qualified observations?
• What buyer questions about price, value, or direct builder comparisons can't the public benchmark currently answer?

In October 2026, all 533 qualified observations fell into the Brand Recommendation cluster. The Pricing & Value and Multi-Brand Comparison clusters contained zero qualified observations across July, August, September, and October. This means the public benchmark can currently answer which brands are recommended in discovery and consideration prompts, but it cannot yet answer which brands win on price discussions, value framing, or direct head-to-head comparisons. The AI response inconsistency data does show pricing and comparison questions being asked in the category, including acquisition price and top-five ranking questions, but those do not fall within the qualified public denominator.

Brand Opportunity Summary

Questions This Section Answers

• Which home builders show the largest gap between recommendation coverage and top-three placement?
• What diagnostic question does the benchmark flag for each builder's current signal?

The benchmark identifies where attention is warranted; a company-level analysis is needed to explain why.

Evidence Behind the Benchmark

The aggregate metrics are built from prompt-level observations that capture the query, the AI surface, the recommendation outcome, the rank, sentiment, and citations where exposed. Company-level analysis can go deeper into prompt patterns, competitor placements, surface variation, and the evidence sources that shape AI answers. The inconsistency data in this report shows that AI platforms can cite different source pages, including company investor relations pages, trade ranking lists, and news coverage, and reach directly contradictory answers to the same buyer question. Source presence is not automatically treated as proof of causation.

About This Benchmark

This report is part of the CiteWorks Studio AI Visibility Industry Market research program.

• AI Visibility Industry Market Methodology
• AI Visibility Industry Market Metrics
• AI Visibility Industry Market Standards

Report-Specific Interpretation Notes

• Four brands recorded significant gains from the July 2026 baseline to October 2026: KB Home, Lennar, Meritage Homes, and NVR (Ryan Homes). The benchmark records these as significant movements relative to each brand's July baseline, identifying shifts worth investigating rather than establishing their cause.
• KB Home and Toll Brothers both recorded 0.0% coverage in August 2026, an anomalous reading in the series. Both brands returned to tracked coverage in subsequent months, and their August readings should not be read as durable brand-level outcomes.
• The qualified denominator of 533 observations in October (versus 523 in July) is the basis for all brand-level percentages. Raw collection totaled 800 prompts in all four months.
• Small absolute counts apply to Clayton Homes (18 valid recommendations) and M/I Homes (59 valid recommendations). Movements for these brands should be interpreted with that context in mind.
• Month-over-month movement identifies changes worth investigating; it does not by itself establish the cause of those changes.

Next Step

The Public Benchmark Shows Where a Brand Is Winning or Losing. A Company-Level Audit Shows Why.

Beneath these aggregate percentages sit the questions that matter for competitive position: which high-intent prompts does a brand win, which competitor takes the recommendation when a brand loses, what attributes do AI systems associate with each option, and which external sources shape those answers. The inconsistency findings in this report show that the answer can differ by platform even for the same question, and that the cited sources often disagree with each other.

A company-specific AI visibility audit maps prompt patterns, surface performance, competitor placements, ranking dynamics, sentiment, and evidence-source influence into a prioritized visibility strategy. It turns the benchmark's "where" into an actionable "why."

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