| Category | Function | Share | Rank | Negative rate | Labels | Quadrant | Since September 2026 |
|---|---|---|---|---|---|---|---|
| Email deliverability and testing tools | Marketing | 3% | 8 of 110 | 26% | 27 | criticized challenger |
| Model | First choice | Alternative | Mention | Negative | Labels |
|---|---|---|---|---|---|
| Claude Haiku 4.5 | 0 | 1 | 0 | 1 | 2 |
| GPT-5.4 mini | 0 | 0 | 0 | 0 | 0 |
| Gemini 3.5 Flash | 1 | 1 | 0 | 2 | 4 |
| Perplexity Sonar | 0 | 0 | 0 | 0 | 0 |
| Grok 4.1 Fast | 0 | 2 | 0 | 1 | 3 |
| Mistral Small | 0 | 1 | 1 | 0 | 2 |
| DeepSeek V4 Flash | 0 | 1 | 1 | 2 | 4 |
| Llama 4 Maverick | 0 | 0 | 1 | 0 | 1 |
| Qwen 3.7 Flash | 0 | 1 | 0 | 0 | 1 |
| Kimi K2 | 0 | 2 | 1 | 0 | 3 |
| GLM 4.7 FlashX | 0 | 0 | 1 | 1 | 2 |
| MiniMax M2.5 | 0 | 1 | 0 | 0 | 1 |
| GPT-6 Luna | 1 | 1 | 0 | 0 | 2 |
| Muse Glimmer 30B | 0 | 2 | 0 | 0 | 2 |
Verbatim evidence the judge attached to positive labels.
“The gold standard for larger mid-market and enterprise brands. Extremely deep seed-testing network and comprehensive reputation monitoring, though highly priced.” Gemini 3.5 Flash · Email deliverability · scale prompt · first choice
“My default pick: Validity Everest” GPT-6 Luna · Email deliverability · direct prompt · first choice
“Everest is the largest and most robust platform in the space... generally cost-prohibitive for SMBs.” Gemini 3.5 Flash · Email deliverability · comparative prompt · alternative
“Enterprise-grade deliverability monitoring | Large enterprises needing detailed analytics” Kimi K2 · Email deliverability · comparative prompt · alternative
Verbatim evidence attached to negative labels. A warning on a product with few labels is a warning; on a product with many, it is one voice among them.
“its pricing often starts at $20,000 to $65,000/year, making it massive overkill and too expensive for most mid-sized operations” Gemini 3.5 Flash · Email deliverability · paraphrase prompt · soft negative
“enterprise suites like *Validity Everest* (which can cost upward of $15,000/year) to be too complex and cost-prohibitive” Gemini 3.5 Flash · Email deliverability · direct prompt · soft negative
“The gold standard for enterprise, but likely overkill for mid-sized companies on both features and budget.” DeepSeek V4 Flash · Email deliverability · paraphrase prompt · soft negative
“Not recommended for most mid-market companies — it's priced and designed for enterprise scale.” DeepSeek V4 Flash · Email deliverability · direct prompt · soft negative
Citations exist only for the models that return a source list, five of the fourteen in this edition, so these counts come from 88 of the 92 answers that named Validity Everest and are not a share of its labels.
328 of the 328 domain citations in answers naming Validity Everest came from somebody else's page.
Pages are listed as the models cited them.
Search figures are US estimates from DataForSEO, read September 28, 2026; AI search demand is its modeled, directional estimate, not a count of queries to any assistant. The answers are this edition's. Two measurements side by side: neither is read as the cause of the other.
An email the morning each edition publishes: where this product moved, where it held, and by how much against the noise floor. One address, confirmed by a click; a stop link in every email.
Already following? Everything you follow, with a stop for each.
Claiming is free and changes nothing in the data. A claimed page shows a verified contact who is told when each edition publishes and when Validity Everest's standing changes by more than the noise floor; the right to propose corrections to the vendor table, meaning names the judge wrote that should or should not read as Validity Everest, applied by version and listed in the change log; and a one-line description supplied by the vendor and marked as such.
A new claim receives the current edition's vendor brief for Validity Everest by email, built from the raw record of the edition. It shows: