Zero of fourteen models named MailStore Server first on the direct prompt; zero named Google Vault. MailStore Server was named by twelve of the fourteen models and Google Vault by fourteen and MailStore Server carries 20 labels and Google Vault 29, so the shares are not directly comparable.
Named in one category this edition.
Named in one category this edition.
Share is the count of first choices across the direct, paraphrase, budget and scale prompts over all fourteen models, for a mid-market B2B company; rank is within the category; every quote names the model and the prompt it came from. Both figures come from the communications archiving and compliance page.
Across every category in the November 2026 Edition, MailStore Server and Google Vault were named in the same answer twenty-eight times, of the 54 answers naming MailStore Server and the 73 naming Google Vault. In those answers Google Vault took the first choice five times and MailStore Server nine.
| Model | Direct | Paraphrase | Comparative | Budget-constrained | Scale-constrained | Negative |
|---|---|---|---|---|---|---|
| Claude Haiku 4.5 | ||||||
| GPT-5.4 mini | ||||||
| Gemini 3.5 Flash | ||||||
| Perplexity Sonar | ||||||
| Grok 4.20 | ||||||
| Mistral Small | ||||||
| DeepSeek V4 Flash | ||||||
| Llama 4 Maverick | ||||||
| Qwen 3.7 Flash | ||||||
| Kimi K2 | ||||||
| GLM 4.7 FlashX | ||||||
| MiniMax M2.5 | ||||||
| GPT-6 Luna | ||||||
| Muse Glimmer 30B |
Bold names in an answer are the products the judge labeled a first choice; a model naming several gives each of them that label. The full answer text for every row is in the record.
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Four of five in this category shown.
“MailStore, Mimecast, Proofpoint, Barracuda, and similar email-focused products may be inadequate if you must retain Teams, Slack, WhatsApp, SMS, voice, social media, or trader communications.” Perplexity Sonar · negative prompt · soft negative
“the best communications archiving platform is typically MailStore Server (or its cloud variant, MailStore Cloud)” Grok 4.20 · budget prompt · first choice
“MailStore Server is the best default if your main requirement is email archiving” Perplexity Sonar · budget prompt · first choice
“For a company with a limited budget, MailStore Server is the clear winner” DeepSeek V4 Flash · budget prompt · first choice
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of eight in this category shown.
“Avoid relying solely on native archiving tools like Google Vault or Microsoft Purview for strict compliance.” Mistral Small · negative prompt · hard negative
“Built-in tools like Microsoft Purview, Microsoft Teams archiving, or Google Vault alone: These are frequently criticized for critical blind spots.” Grok 4.20 · negative prompt · soft negative
“Purview and Google Vault can be appropriate inside a single ecosystem, but they may not cover cross-platform capture” Perplexity Sonar · negative prompt · soft negative
“Best Overall Value: Native Ecosystem Archiving ... Built directly into Business Plus and Enterprise plans” Gemini 3.5 Flash · budget prompt · first choice
“Start by evaluating Microsoft Purview or Google Vault (depending on your provider).” Qwen 3.7 Flash · paraphrase prompt · first choice
“For Google Workspace users, Google Vault for archiving is available in Business Plus ($18/user/month) and Enterprise plans” Claude Haiku 4.5 · paraphrase prompt · alternative
Comparisons are drawn for the top eight products in each category, each against each. The output is the models' output; nothing here is a recommendation by the index.