Disability Insurance: AI Visibility Market Discovery Index

Benchmark Summary

Guardian led the Disability Insurance benchmark in October 2026 with 68.3% valid recommendation coverage, 1.1 percentage points ahead of MassMutual at 67.2%. Guardian has held the top position since August 2026; in July 2026, MassMutual led at 69.4% with Guardian close behind at 68.5%, a 0.9 point gap.

Since baseline (July 2026), the largest coverage increase came from Principal, a significant riser that climbed to 32.5% in October 2026 from 22.3% in July 2026, a gain of 10.2 points. The largest coverage decline came from Northwestern Mutual, which fell 8.8 points since baseline.

Within the month itself, several brands moved beyond normal variation between September 2026 and October 2026: Northwestern Mutual rose 13.8 points to 33.2%, its first monthly gain since the series began; The Standard fell 14.6 points to 30.9%; Ameritas fell 12.8 points to 19.2%; and Assurity fell 8.2 points to 17.0%. Guardian held the category lead throughout, with coverage essentially unchanged since July 2026.

The benchmark began with 800 prompt-surface observations in each month and produced 265 qualified observations in October 2026 after qualification.

Current Benchmark at a Glance

Qualified surface breadth counts the number of canonical AI surface families with at least one qualified observation. The six families tested are ChatGPT, Copilot, Gemini, Perplexity, AI Overviews, and AI Mode. All six were active in every month of the series. Guardian took the lead in August 2026 and has held it through October 2026.

For the strategic interpretation of this benchmark, read CiteWorks Studio's analysis of How AI Search Is Recommending Disability Insurance

Research Scope and Qualification

The public benchmark is narrower than the raw collection universe by design. Brand-level percentages use the qualified observations as the public denominator, not the raw collection.

For the full research design, see AI Visibility Market Discovery Methodology.

Current Brand Standings

Questions This Section Answers

• Which disability insurance brands lead in valid recommendation coverage in October 2026?
• How do presence rate and top-three rate distinguish the leading disability insurance brands?

Sorted by valid recommendation coverage in October 2026.

How to Read the Standings

• Presence rate: the share of qualified observations where the brand is mentioned at all.
• Valid recommendation coverage: the share of qualified observations where the brand receives a valid recommendation, the primary benchmark metric.
• Top-three rate: the share of qualified observations where the brand appears in the top three recommended positions.
• Rank-one rate: the share of qualified observations where the brand is the first recommendation.
• Net sentiment: positive mentions minus negative mentions divided by total mentions, ranging from -1 to +1.

For formulas and denominator rules, see AI Visibility Market Discovery Metric Definitions.

Recommendation Coverage Movement

Questions This Section Answers

• Which disability insurance brands gained or lost the most recommendation coverage since July 2026?
• Which brands moved beyond normal variation between September and October 2026?
• Where does Aflac's three-month coverage gain sit relative to a confirmed trend?

From September 2026 to October 2026, several brands moved beyond normal variation. Northwestern Mutual rose 13.8 points to 33.2%, its first monthly gain since the series began. The Standard fell 14.6 points to 30.9%, Ameritas fell 12.8 points to 19.2%, and Assurity fell 8.2 points to 17.0%. Principal's coverage fell 6.7 points to 32.5% this month, a move within normal variation despite its significant gain since baseline. Guardian held the category lead, with coverage essentially unchanged from July 2026.

Largest Increase: Principal

Principal's valid recommendation coverage rose 10.2 points since baseline, a gain beyond normal variation. Its presence rate rose to 41.1% from 29.9%, and its top-three rate rose to 18.9% from 8.6%. Its rank-one rate remained low at 0.8%. Principal's largest single-month move was a 6.7-point decline from September 2026 to October 2026.

Largest Decline: Northwestern Mutual

Northwestern Mutual's valid recommendation coverage fell 8.8 points since baseline, a drop beyond normal variation. Its presence rate fell to 44.1% from 55.1%, its top-three rate fell to 21.5% from 26.8%, and its rank-one rate fell to 7.2% from 10.5%. Its largest single-month move was a 13.8-point rise from September 2026 to October 2026, its first monthly gain since the series began.

Category Leader: Guardian

Guardian led the category with 68.3% valid recommendation coverage in October 2026, essentially unchanged from 68.5% in July 2026. Its presence rate rose to 89.1% from 87.9%, its top-three rate rose to 54.7% from 51.3%, and its rank-one rate rose to 24.5% from 20.1%. Guardian has held the top position in each of the three months since August 2026.

Aflac was a watch item, rising to 9.1% in October 2026 from 7.3% in July 2026, its third consecutive monthly gain, though the cumulative move remains within normal variation and is not yet a trend. Breeze, MassMutual, and Mutual of Omaha were stable across the series, with moves within normal month-to-month variation. Ameritas, Assurity, and The Standard are also stable on the baseline-to-current measure, despite sharp single-month moves this month.

Recommendation Placement Snapshot

Questions This Section Answers

• How does Aflac's top-three and rank-one rate compare with Guardian and MassMutual?
• How can two brands hold similar coverage but differ in how often they are the first recommendation?

Coverage alone does not show how prominently a brand is recommended. Guardian and MassMutual lead in coverage, but Aflac stands out for how rarely it is recommended despite its mention rate.

Guardian's top-three and rank-one rates both rose modestly from July 2026, while MassMutual's top-three rate dipped slightly and its rank-one rate held steady. Two brands can hold similar coverage and still differ meaningfully in how often they are the first recommendation.

Buyer-Intent Distribution

Questions This Section Answers

• Which buyer-intent classes do the qualified disability insurance observations fall into?
• What does the single-class distribution mean for what this benchmark currently measures?

All qualified observations in the Disability Insurance benchmark fell into the Brand Recommendation class in all months.

Because all observations sit in one class, the current public series measures brand-recommendation discovery only and does not yet contain qualified observations in the pricing or multi-brand comparison classes.

Historical Measurement Record

Questions This Section Answers

• Which brand led disability insurance recommendation coverage in each measured month?
• Which single-month coverage movements stand out across the four measurements?

This is an evergreen benchmark URL. New measurements are added to the same report.

Top 10 Cited Domains

Questions This Section Answers

• Which domains are cited most often across AI platform responses in the disability insurance benchmark?
• How concentrated are citations among the top 10 domains versus the rest of the information environment?

Across all AI platform responses in October 2026, the benchmark observed 6,543 citations drawn from 959 unique domains.

Citations are broadly distributed: the top 10 domains together account for roughly 37% of total citations, with the remaining 63% spread across 949 other domains. Two tracked brands' own domains, guardianlife.com (rank 5) and aflac.com (rank 8), appear in the top 10. The list is led by consumer finance and review sources such as nerdwallet.com and policygenius.com, alongside news outlets including cnbc.com, forbes.com, and wsj.com.

Evidence and Source Layer

The benchmark is built from prompt-level observations that retain the query, AI/search surface, answer, brand outcome, recommendation placement, sentiment, and, where exposed, citations or attributable evidence sources. Source presence is evidence about the information environment. It is not automatically proof that the source caused the recommendation.

Scope Boundaries

This public benchmark does not measure market share, attributable sales, every possible AI response, organic-search ranking, social mention volume, or private or sponsored channels. A movement in a metric alone does not establish its cause.

About This Benchmark

The LLM Authority Index AI Visibility Market Discovery Index tracks how prominently brands appear in AI-generated answers across major search surfaces. This Disability Insurance edition is an industry-level benchmark based on qualified observations from six AI surface families.

• AI Visibility Market Discovery Methodology
• AI Visibility Market Discovery Metric Definitions
• AI Visibility Market Discovery Research Standards
• Modeled AI Visibility Authority Value

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