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Communications archiving and compliance · November 2026 Edition

Smarsh Enterprise Archive vs Mimecast Cloud Archive

Six of fourteen models named Smarsh Enterprise Archive first on the direct prompt; two named Mimecast Cloud Archive. Both were named by all fourteen models and Smarsh Enterprise Archive carries 53 labels and Mimecast Cloud Archive 44, so the shares are not directly comparable.

Smarsh Enterprise Archive

accepted challenger

Named in one category this edition.

Mimecast Cloud Archive

accepted challenger

Named in one category this edition.

First-choice share18%7%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate19%9%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#1#4A position in a field of 13; printed, not drawn.
Labels5344A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Smarsh Enterprise Archive reading right to left. Rank and label count are printed, not drawn.Smarsh Enterprise Archive vs Microsoft Purview · Smarsh Enterprise Archive vs MailStore Server · Smarsh Enterprise Archive vs Jatheon

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.

By framing

How many of the fourteen models made each the first choice, per way of asking, and how many argued against it.
Smarsh Enterprise ArchiveFirst choices, of fourteen modelsMimecast Cloud Archive
Direct62
Paraphrase421 against Smarsh Enterprise Archive
Comparative1101 against Mimecast Cloud Archive
Budget-constrained001 against Smarsh Enterprise Archive
Scale-constrained00
Negative008 against Smarsh Enterprise Archive · 3 against Mimecast Cloud Archive
Bars are first choices, 0 to 14 each sideModels that argued againstA model can name both, so the two sides of a row do not sum to fourteen.

Across every category in the November 2026 Edition, Smarsh Enterprise Archive and Mimecast Cloud Archive were named in the same answer ninety-five times, of the 160 answers naming Smarsh Enterprise Archive and the 112 naming Mimecast Cloud Archive. In those answers Mimecast Cloud Archive took the first choice seven times and Smarsh Enterprise Archive thirty-eight.

Every model, every framing

The eighty-four answers behind the chart above, one cell each: where Smarsh Enterprise Archive and Mimecast Cloud Archive stood in it.
ModelDirectParaphraseComparativeBudget-constrainedScale-constrainedNegative
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
Smarsh Enterprise Archive Mimecast Cloud Archive first choice named as an alternative argued againstblank: not namedEach cell is one answer, Smarsh Enterprise Archive on the left and Mimecast Cloud Archive on the right.

The direct prompt

The plain question, one answer per model, grouped by where Smarsh Enterprise Archive and Mimecast Cloud Archive stood in it.

Smarsh Enterprise Archive first, Mimecast Cloud Archive an alternative

6 of 14 modelsMimecast Cloud Archive was named in the answer but not as the choice, or not at all.
Claude Haiku 4.5Smarsh Enterprise Archive alternatives: ComplyKEY MailMeter, Jatheon Enterprise Data Archiving Solution, MailStore Server, Mimecast Cloud Archive
GPT-5.4 miniProofpoint Enterprise Archive, Smarsh Enterprise Archive alternatives: Archive360, Barracuda Cloud Archiving Service, Nuclei Discovery & Archive Suite
Gemini 3.5 FlashSmarsh Enterprise Archive alternatives: Global Relay Archive, Jatheon, Mimecast Cloud Archive, Theta Lake
Mistral SmallSmarsh Enterprise Archive alternatives: MessageWatcher, OpenText Core Business Communication Archive, Theta Lake
GLM 4.7 FlashXSmarsh Enterprise Archive alternatives: MailStore Server, Microsoft Purview, Mimecast Cloud Archive, OpenText Core Business Communication Archive
Muse Glimmer 30BSmarsh Enterprise Archive alternatives: Global Relay Archive, Jatheon, Mimecast Cloud Archive

Mimecast Cloud Archive first, Smarsh Enterprise Archive an alternative

2 of 14 modelsSmarsh Enterprise Archive was named in the answer but not as the choice, or not at all.
Grok 4.20Mimecast Cloud Archive alternatives: Pagefreezer, Smarsh Enterprise Archive, Theta Lake
DeepSeek V4 FlashMimecast Cloud Archive alternatives: Global Relay Archive, Google Vault, MailStore Server, Smarsh Enterprise Archive

Neither was the first choice, one was named

5 of 14 modelsThe answer put something else first and named one of the two as an alternative.
Perplexity SonarOpenText Core Business Communication Archive alternatives: Barracuda Cloud Archiving Service, Jatheon, Smarsh Enterprise Archive, SteelEye
Qwen 3.7 FlashMicrosoft Purview alternatives: Google Vault, Intradyn, MessageWatcher, Mimecast Cloud Archive, OpenText™ Core Business Communication Archive
Kimi K2Smarsh Professional Archive alternatives: Barracuda Message Archiver, Jatheon, Mimecast Cloud Archive
MiniMax M2.5Smarsh Professional Archive alternatives: Barracuda Message Archiver, Global Relay Archive, Microsoft Purview, Mimecast Cloud Archive
GPT-6 LunaMicrosoft Purview alternatives: Mimecast Cloud Archive, Nuclei, Proofpoint Enterprise Archive, Smarsh Enterprise Archive

Neither was named

1 of 14 modelsThe answer made no first choice from these two in this category.
Llama 4 Maverickno first choice

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.

By buyer segment

The same question asked on behalf of a different buyer. Each standing is computed within its segment and they are never added together. The figures above are the mid-market standing, which is the one the category orders by.
Small business
Smarsh Enterprise Archive leads by five points.
Smarsh Enterprise Archive5%#4 of 12
Mimecast Cloud Archive0%#10 of 12
The full small business standing →
Mid-marketThe figures above
Smarsh Enterprise Archive leads by eleven points.
Smarsh Enterprise Archive18%#1 of 13
Mimecast Cloud Archive7%#4 of 13
The full mid-market standing →
Enterprise
Smarsh Enterprise Archive leads by thirty-three points.
Smarsh Enterprise Archive42%#1 of 10
Mimecast Cloud Archive9%#3 of 10
The full enterprise standing →

What the models said about Smarsh Enterprise Archive

Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of eight in this category shown.

“Smarsh Enterprise Archive and Proofpoint Enterprise Archive are considered "criticized challengers" due to their complex pricing, unavailability of functions, slow search” Llama 4 Maverick · negative prompt · hard negative
“Avoid or be truly cautious about: Global Relay (if you're not a large enterprise), Veritas Enterprise Vault (if you're not already locked in), and Smarsh” DeepSeek V4 Flash · negative prompt · hard negative
“heavily criticized for complex and vague pricing, slow search performance... Many models and user reviews consider these issues as deal breakers.” Mistral Small · negative prompt · hard negative
“Best overall for large-scale communications archiving, for organizations needing capture across 100-plus channels with mature surveillance and discovery workflows.” Muse Glimmer 30B · comparative prompt · first choice
“Exceptional breadth of channel capture... Financial institutions facing SEC/FINRA scrutiny generally lean toward Global Relay, Smarsh, or Shield” Gemini 3.5 Flash · comparative prompt · first choice
“Smarsh is well-suited for regulated enterprises and growing mid-market firms that need supervision across multiple communication channels” Claude Haiku 4.5 · direct prompt · first choice

What the models said about Mimecast Cloud Archive

Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of eight in this category shown.

“Also flagged with a 47% negative rate for small businesses, indicating potential issues with reliability or user experience.” Mistral Small · negative prompt · hard negative
“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
“Generally rated but some users report limitations compared to alternatives.” GLM 4.7 FlashX · negative prompt · soft negative
“or Mimecast if you need broader multi-channel archiving (especially if using Slack and Teams together)” MiniMax M2.5 · paraphrase prompt · first choice
“Microsoft Purview (if on M365) OR Mimecast Cloud Archive (if you need broader channel coverage” Kimi K2 · paraphrase prompt · first choice
“I'd recommend Mimecast Cloud Archive as the best overall choice” DeepSeek V4 Flash · direct prompt · first choice
Also compared

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.