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Communications archiving and compliance · November 2026 Edition
Mimecast Cloud Archive vs OpenText Core Business Communication Archive
Two of fourteen models named Mimecast Cloud Archive first on the direct prompt; one named OpenText Core Business Communication Archive. Mimecast Cloud Archive was named by fourteen of the fourteen models and OpenText Core Business Communication Archive by ten and Mimecast Cloud Archive carries 44 labels and OpenText Core Business Communication Archive 21, so the shares are not directly comparable.
Named in one category this edition.
Named in one category this edition.
First-choice share7%2%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate9%0%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#4#7A position in a field of 13; printed, not drawn.
Labels4421A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Mimecast Cloud Archive reading right to left. Rank and label count are printed, not drawn.Smarsh Enterprise Archive was named alongside these two in ten of the fourteen direct answers. Smarsh Enterprise Archive vs Mimecast Cloud Archive · Smarsh Enterprise Archive vs OpenText Core Business Communication Archive · Microsoft Purview vs Mimecast Cloud Archive
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.
Mimecast Cloud ArchiveFirst choices, of fourteen modelsOpenText Core Business Communication Archive
Direct21
Paraphrase20
Comparative001 against Mimecast Cloud Archive
Budget-constrained00
Scale-constrained00
Negative003 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, Mimecast Cloud Archive and OpenText Core Business Communication Archive were named in the same answer thirty-nine times, of the 112 answers naming Mimecast Cloud Archive and the 64 naming OpenText Core Business Communication Archive. In those answers OpenText Core Business Communication Archive took the first choice two times and Mimecast Cloud Archive six.
Every model, every framing
The eighty-four answers behind the chart above, one cell each: where Mimecast Cloud Archive and OpenText Core Business Communication Archive stood in it.
| 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 | | | |
Mimecast Cloud Archive OpenText Core Business Communication Archive first choice named as an alternative argued againstblank: not namedEach cell is one answer, Mimecast Cloud Archive on the left and OpenText Core Business Communication Archive on the right.The direct prompt
The plain question, one answer per model, grouped by where Mimecast Cloud Archive and OpenText Core Business Communication Archive stood in it.
Mimecast Cloud Archive first, OpenText Core Business Communication Archive not the choice
2 of 14 modelsOpenText Core Business Communication 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
OpenText Core Business Communication Archive first, Mimecast Cloud Archive not the choice
1 of 14 modelsMimecast Cloud Archive was named in the answer but not as the choice, or not at all.Perplexity SonarOpenText Core Business Communication Archive alternatives: Barracuda Cloud Archiving Service, Jatheon, Smarsh Enterprise Archive, SteelEye
Neither was the first choice, one was named
9 of 14 modelsThe answer put something else first and named one of the two as an alternative.Claude Haiku 4.5Smarsh Enterprise Archive alternatives: ComplyKEY MailMeter, Jatheon Enterprise Data Archiving Solution, MailStore Server, Mimecast Cloud Archive
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
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
GLM 4.7 FlashXSmarsh Enterprise Archive alternatives: MailStore Server, Microsoft Purview, Mimecast Cloud Archive, OpenText Core Business Communication 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
Muse Glimmer 30BSmarsh Enterprise Archive alternatives: Global Relay Archive, Jatheon, Mimecast Cloud Archive
Neither was named
2 of 14 modelsThe answer made no first choice from these two in this category.GPT-5.4 miniProofpoint Enterprise Archive, Smarsh Enterprise Archive alternatives: Archive360, Barracuda Cloud Archiving Service, Nuclei Discovery & Archive Suite
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
OpenText Core Business Communication Archive leads by two points.
OpenText Core Business Communication Archive2%#6 of 12Mimecast Cloud Archive0%#10 of 12Mid-marketThe figures above
The order flips: Mimecast Cloud Archive leads at mid-market.
Mimecast Cloud Archive7%#4 of 13OpenText Core Business Communication Archive2%#7 of 13Enterprise
Mimecast Cloud Archive leads by four points.
Mimecast Cloud Archive9%#3 of 10OpenText Core Business Communication Archive5%#5 of 10What 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
What the models said about OpenText Core Business Communication Archive
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Three of four in this category shown.
“For most mid-market B2B companies, OpenText Core Business Communication Archive is the strongest overall choice” Perplexity Sonar · direct prompt · first choice
“OpenText Core Business Communication Archive or Smarsh. OpenText gives broad 50+ source capture with unlimited cloud storage.” Muse Glimmer 30B · paraphrase prompt · alternative
“best if you want a broad, cloud-native archive covering email, chat, social media, and collaboration data in one repository” Perplexity Sonar · paraphrase prompt · alternative
Also compared
Smarsh Enterprise Archive vs Mimecast Cloud ArchiveSmarsh Enterprise Archive vs OpenText Core Business Communication ArchiveMicrosoft Purview vs Mimecast Cloud ArchiveMicrosoft Purview vs OpenText Core Business Communication ArchiveMailStore Server vs Mimecast Cloud ArchiveMailStore Server vs OpenText Core Business Communication ArchiveMimecast Cloud Archive vs JatheonMimecast Cloud Archive vs Google VaultMimecast Cloud Archive vs Proofpoint Enterprise ArchiveJatheon vs OpenText Core Business Communication ArchiveGoogle Vault vs OpenText Core Business Communication ArchiveOpenText Core Business Communication Archive vs Proofpoint Enterprise ArchiveAll twenty-eight head-to-head pages and the full comms archiving standing
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.