Internal communications and intranet · September 2026 Edition
Happeo vs Slack
Seven of twelve models named Happeo first on the direct prompt; zero named Slack. Happeo was named by eleven of the twelve models and Slack by eleven and Happeo carries 21 labels and Slack 12, so the shares are not directly comparable.
Named in two categories this edition.
Named in five categories this edition.
First-choice share16%8%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate5%8%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#1#5A position in a field of 15; printed, not drawn.
Labels2112A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Happeo reading right to left. Rank and label count are printed, not drawn.Simpplr was named alongside these two in ten of the twelve direct answers. Happeo vs Microsoft Teams · Happeo vs Simpplr · Happeo vs Microsoft SharePoint
Share is the count of first choices across the direct, paraphrase, budget and scale prompts over all twelve 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 internal communications and intranet page.
By framing
How many of the twelve models made each the first choice, per way of asking, and how many argued against it.
HappeoFirst choices, of twelve modelsSlack
Direct70
Paraphrase04
Comparative001 against Slack
Budget-constrained00
Scale-constrained10
Negative001 against Happeo
Bars are first choices, 0 to 12 each sideModels that argued againstA model can name both, so the two sides of a row do not sum to twelve.
Every model, every framing
The seventy-two answers behind the chart above, one cell each: where Happeo and Slack 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 4.1 Fast | | | ||||
| Mistral Small | ||||||
| DeepSeek V4 Flash | | | ||||
| Llama 4 Maverick | | |||||
| Qwen 3.7 Flash | | | ||||
| Kimi K2 | | | | |||
| GLM 4.7 FlashX | | |||||
| MiniMax M2.5 | | |
Happeo Slack first choice named as an alternative argued againstblank: not namedEach cell is one answer, Happeo on the left and Slack on the right.The direct prompt
The plain question, one answer per model, grouped by where Happeo and Slack stood in it.
Happeo first, Slack not the choice
7 of 12 modelsSlack was named in the answer but not as the choice, or not at all.Claude Haiku 4.5Happeo alternatives: Interact, LumApps, Microsoft SharePoint, ThoughtFarmer
Gemini 3.5 FlashHappeo alternatives: Axero, Haystack, Simpplr, ThoughtFarmer, hubley
Perplexity SonarHappeo alternatives: Microsoft SharePoint, Simpplr, ThoughtFarmer
DeepSeek V4 FlashHappeo, Simpplr alternatives: Interact, MangoApps, Microsoft SharePoint + Viva Connections
Llama 4 MaverickHappeo alternatives: SAP SuccessFactors, Simpplr, ThoughtFarmer
Qwen 3.7 FlashHappeo alternatives: Simpplr, ThoughtFarmer
Kimi K2Happeo alternatives: Simpplr, ThoughtFarmer
Neither was the first choice, one was named
2 of 12 modelsThe answer put something else first and named one of the two as an alternative.Grok 4.1 FastSimpplr, Workvivo alternatives: Axero, Blink, Happeo, Jostle, MangoApps
MiniMax M2.5Microsoft 365 alternatives: Bitrix24, Happeo, Igloo Software, Microsoft Viva
Neither was named
3 of 12 modelsThe answer made no first choice from these two in this category.GPT-5.4 miniSimpplr alternatives: Jostle, Microsoft SharePoint, Microsoft Viva Engage, Staffbase
Mistral SmallSimpplr, ThoughtFarmer alternatives: Microsoft SharePoint, SAP SuccessFactors
GLM 4.7 FlashXThoughtFarmer alternatives: Connecteam, Jostle, Microsoft SharePoint/Viva, SAP SuccessFactors, Simpplr, Workvivo
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
Mid-marketThe figures above
The order flips: Happeo leads at mid-market.
Happeo16%#1 of 15Slack8%#5 of 15Enterprise
The order flips: Slack leads at enterprise.
Slack2%#6 of 11Happeo0%#– of 11What the models said about Happeo
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Four of five in this category shown.
“Happeo is less compelling outside Google Workspace environments” Claude Haiku 4.5 · negative prompt · soft negative
“Happeo - a best overall intranet platform for small and mid-sized companies, with fast setup, a search and knowledge layer” Llama 4 Maverick · direct prompt · first choice
“Happeo is the strongest default recommendation when your company already uses Google Workspace” Perplexity Sonar · direct prompt · first choice
“recommend platforms like Simpplr, Happeo, MangoApps, or Workvivo as strong fits” MiniMax M2.5 · scale prompt · first choice
What the models said about Slack
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Three of four in this category shown.
“However, if you are hiring younger talent or have a "customer-experience first" sales culture, stick with Slack.” Qwen 3.7 Flash · paraphrase prompt · first choice
“Slack is the better choice if your company runs on Google Workspace or is more tech-forward” DeepSeek V4 Flash · paraphrase prompt · first choice
“For most mid-sized B2B companies, Slack or Microsoft Teams are the safest choices” Claude Haiku 4.5 · paraphrase prompt · first choice
Also compared
Happeo vs Microsoft TeamsHappeo vs SimpplrHappeo vs Microsoft SharePointHappeo vs WorkvivoHappeo vs ConnecteamHappeo vs ThoughtFarmerMicrosoft Teams vs SlackSimpplr vs SlackMicrosoft SharePoint vs SlackSlack vs WorkvivoSlack vs ConnecteamSlack vs ThoughtFarmerAll twenty-eight head-to-head pages and the full internal communications 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.