How AI Search Recommends Peer to Peer Lending: Monthly Trend

Executive Summary

Upstart remains the category leader for valid recommendation coverage in August 2026 at 67.5%, with its lead over second-place Upgrade narrowing to 7.8 points. Upgrade moved to 59.7% coverage, closing much of the gap that existed in July 2026, when Upstart led at 72.0% and Upgrade trailed at 57.8%. Upstart's decline sits within normal month-to-month variation, and its top-three placement rate actually improved, so the narrowing reflects a tightening field rather than a clear leader retreat.

The standout move belongs to LendingClub, which fell from 46.6% in July 2026 to 30.8% in August 2026, a drop of 15.8 points that the benchmark marks as significant — the sharpest movement of any brand this month. Best Egg posted the strongest upward move, rising from 17.5% to 20.8% coverage, though that gain remained within normal month-to-month variation.

The category as a whole showed movement this month, driven primarily by LendingClub. Six of the seven tracked brands — Avant, Best Egg, Prosper, SoFi, Upgrade, and Upstart — stayed within normal month-to-month variation, with SoFi and Upstart easing down 4.7 and 4.5 points respectively, while Upgrade and Avant moved up modestly.

Each monthly run begins with 800 prompt-surface observations (603 unique questions in July 2026; 636 in August 2026) across the benchmark's defined AI/search surface universe. Of those, all 800 mentioned a tracked brand or competitor in both months; 781 were relevant and 19 were irrelevant in July 2026, compared with 786 relevant and 14 irrelevant in August 2026. The public metrics use the 639 qualified observations for July 2026 and the 643 qualified observations for August 2026 that survive both qualification stages.

Key Findings

Benchmark Context

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

The qualified benchmark set grew only slightly month over month, from 639 to 643 observations, so shifts in brand-level rates reflect changes in how those observations were distributed rather than a materially different collection universe.

Benchmark-Level Metrics

The decline in recommendation-shaped answer share and valid shortlist share points to modest shifts in how answers were framed in August 2026, with somewhat more factual answers and fewer recommendation shortlists relative to July 2026.

AI Recommendation Trend

Category leadership is stable but the field is tightening. Upstart holds the top position at 67.5% valid recommendation coverage, while Upgrade has closed the gap to 7.8 points. LendingClub's significant decline has reshaped the middle of the field.

Coverage Standings

The category-level movement this month came primarily from one brand. LendingClub was the only tracked brand whose change exceeded normal month-to-month variation. The other brands moved within expected ranges, including the notable narrowing between Upstart and Upgrade.

What Changed This Month

Upstart: Leader Holding Despite Coverage Ease

Upstart's valid recommendation coverage moved from 72.0% in July 2026 to 67.5% in August 2026, a 4.5-point decline that stayed within normal variation. The brand remains the category leader by a 7.8-point margin over Upgrade.

Placement signals tell a slightly different story. Upstart's top-three placement rate improved from 34.7% to 38.6%, and its rank-one rate held essentially flat at 14.3% versus 14.1%. The coverage decline came alongside stronger top-of-list placement, meaning Upstart appeared in fewer recommendations overall but held its position when it did appear.

The distinction to notice is between coverage and placement. Upstart is being recommended less often across the full answer set, but its average position within those recommendations did not weaken. Raw mention presence slipped from 89.5% to 87.9%, and net sentiment held at 0.9.

Highest-priority diagnostic: Which prompt types stopped including Upstart in their recommendation set, given that top-three placement improved at the same time?

Upgrade: Closing the Gap to the Leader

Upgrade moved from 57.8% valid recommendation coverage in July 2026 to 59.7% in August 2026, a 1.9-point gain that stayed within normal variation on its own. The commercial effect is a narrowing of the gap to Upstart from 14.2 points to 7.8 points.

The brand's placement profile shifted. Its top-three rate improved from 32.6% to 35.8%, while its rank-one rate declined from 8.3% to 5.9%. Upgrade also saw raw mention presence rise from 71.7% to 73.9%, with net sentiment holding at 0.9.

Upgrade gained ground through broader presence and more top-three appearances, even as its share of first-place recommendations softened. The combination of higher coverage and better placement within the top three explains why the gap to Upstart closed so quickly.

Highest-priority diagnostic: Which evidence sources or surfaces are driving Upgrade's improved top-three placement, particularly given its lower rank-one rate?

LendingClub: Significant Decline Reshapes the Middle

LendingClub's valid recommendation coverage fell from 46.6% in July 2026 to 30.8% in August 2026, a 15.8-point drop that the benchmark flags as significant. Its raw mention presence declined from 65.7% to 50.9%, and its top-three rate fell from 17.5% to 12.4%.

The rank-one signal also eased, moving from 3.8% to 1.6%. In absolute terms, LendingClub received 198 valid recommendations in August 2026 versus 298 in July 2026, a drop of 100 recommendations. Its top-three count fell from 112 to 80.

LendingClub's net sentiment held at 0.7, so the decline is not about tone. The brand is simply appearing in fewer recommendations across the board. The gap between LendingClub and Upgrade widened from 11.2 points to 28.9 points, and Avant now leads LendingClub by 14.2 points after trailing by 1.7 points in July.

Highest-priority diagnostic: Which prompts or surfaces stopped producing LendingClub recommendations, and which competitor captured those slots?

Best Egg: Steady Rise on Stable Presence

Best Egg moved from 17.5% valid recommendation coverage in July 2026 to 20.8% in August 2026, a 3.3-point gain that stayed within normal variation. Its raw mention presence held essentially flat at 27.8% versus 27.9%, meaning the brand was mentioned at similar rates but recommended more often.

Placement improved modestly. The top-three rate held at 3.9%, while the rank-one rate moved from 0.3% to 0.8%, a small but positive shift. Best Egg's valid recommendation count rose from 112 to 134.

The distinction here is presence versus coverage: Best Egg is not being mentioned more, but a higher share of its mentions are turning into recommendations. That suggests the quality or context of mentions changed, not the volume.

Highest-priority diagnostic: What changed in how AI systems frame Best Egg in recommendation contexts, given that mention frequency stayed flat?

SoFi: Stable Leader Depth Holding

SoFi's valid recommendation coverage moved from 57.6% in July 2026 to 52.9% in August 2026, a 4.7-point decline that remained within normal variation. Its rank-one rate improved from 27.7% to 28.1%, while top-three placement eased from 45.4% to 42.6%.

SoFi retained its position as the third-ranked brand by coverage, now trailing Upgrade by 6.8 points. Raw mention presence slipped slightly from 71.4% to 70.3%, and net sentiment eased from 0.9 to 0.8.

The notable detail is that SoFi's rank-one rate held up even as overall coverage declined, suggesting its strongest recommendation positions were preserved while mid-list appearances softened.

Highest-priority diagnostic: Which mid-list recommendation slots shifted away from SoFi, and which competitor filled them?

Avant: Holding Steady

Avant's valid recommendation coverage moved marginally from 44.9% in July 2026 to 45.0% in August 2026, a 0.1-point change that was stable. Its raw mention presence rose from 59.0% to 59.6%, and its top-three rate improved from 21.0% to 23.2%.

The brand rose one position in the ranking, from 5th to 4th, purely as a function of LendingClub's decline. Avant's gain over LendingClub widened from 1.7 points to 14.2 points.

Highest-priority diagnostic: Which prompt categories drive Avant's improved top-three placement, and is that gain sustainable?

Prosper: Falling Further Behind on Coverage and Placement

Prosper's valid recommendation coverage moved from 17.2% in July 2026 to 15.1% in August 2026, a 2.1-point decline that remained within normal month-to-month variation. Its top-three rate fell from 5.9% to 2.9%, and its rank-one rate eased from 2.2% to 1.4%. Prosper received 97 valid recommendations in August 2026 versus 110 in July 2026. Raw mention presence held nearly flat at 27.7% versus 28.3%.

Best Egg records 20.8% valid recommendation coverage in August 2026, while Prosper stands at 15.1%. The more important issue is what that gap means for Prosper's recommendation position: the two brands hold almost identical raw mention presence — 27.8% for Best Egg versus 27.7% for Prosper — yet Best Egg is converting that presence into recommendations at a materially higher rate. This is a measurable presence-to-recommendation gap rather than a visibility gap, and it sits beneath a wider recommendation gap to the category leader, Upstart, at 67.5% coverage. Prosper is already being surfaced by AI systems at a comparable rate to a brand ranked above it, but that surfacing is not converting into recommendations at the same rate, and the gap needs to be understood before the field tightens further.

Highest-priority diagnostic: Why did Prosper's top-three placement fall further than its overall coverage while mention presence held steady, and what allows Best Egg to convert nearly identical presence into a materially higher recommendation rate?

Buyer-Intent Interpretation

All 643 qualified observations in August 2026 fell into the Brand Recommendation cluster. The benchmark therefore answers which brand AI systems recommend for a given lending need, and it does so on the full qualified observation set.

The public benchmark cannot yet answer pricing, value, or head-to-head comparison questions because no qualified observations fell into those clusters in either month. Brands that compete primarily on rate or terms will not see those dynamics reflected in this data until the benchmark captures comparison and pricing prompts.

Brand Opportunity Summary

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

Evidence Layer

The aggregate metrics are built from prompt-level observations (query, surface, recommendation outcome, rank, sentiment, and citations where exposed). Company-level analysis can go deeper into prompt, competitor, surface, and evidence patterns. Source presence is not automatically treated as proof of causation.

Several brands in this category register modest absolute counts, including Prosper's 97 and Best Egg's 134 valid recommendations in August 2026; that scale warrants care when reading month-to-month movement. All rates in this report use the qualified benchmark set rather than the full prompt collection, so they reflect the analysis-ready universe within each month. Movement identifies changes worth investigating; it does not establish cause without deeper prompt-level review.

This report is part of the LLM Authority Index AI Market Discovery research program. Additional methodology detail is available at:

• AI Industry Market Discovery Methodology
• AI Industry Market Discovery Metrics
• AI Industry Market Discovery Standards

Next Step

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

Beneath the aggregate coverage percentages sit the questions that matter most: which high-intent prompts a brand wins, which competitor takes the recommendation when a brand loses, what attributes AI systems associate with each option, and which external sources shape those answers. The benchmark shows that LendingClub lost significant ground in August 2026, but it does not yet reveal which prompts, surfaces, or evidence sources drove that shift. It also shows that Prosper's mention presence is comparable to a peer's while its recommendation coverage is not, but it does not yet reveal why.

A company-specific AI visibility audit maps those prompt, surface, competitor, ranking, sentiment, and evidence-source patterns into a prioritized visibility strategy. That level of analysis turns the benchmark's signals into actionable priorities for protecting or building recommendation share.

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