# Slack vs Google Sites: which do AI models recommend for internal communications, October 2026

HR AI Recommendation Index, October 2026 Edition, Internal communications and intranet. Zero of fourteen models named Slack first on the direct prompt; zero named Google Sites. Page: https://hr-ai-index.com/experience/internal-communications-and-intranet/slack-vs-google-sites/

| | First-choice share | Rank | Negative rate | Labels | Models naming it |
|---|---|---|---|---|---|
| Slack | 9% | #5 of 18 | 18% | 17 | 14 of 14 |
| Google Sites | 5% | #8 of 18 | 18% | 11 | 9 of 14 |

## The direct prompt, model by model

- Claude Haiku 4.5: neither named (first choices: ThoughtFarmer) (alternatives: Interact, LumApps, Simpplr)
- GPT-5.4 mini: neither named (first choices: Workvivo) (alternatives: Haystack, Jostle, Microsoft SharePoint, Oak Engage, ThoughtFarmer)
- Gemini 3.5 Flash: neither named (first choices: Simpplr) (alternatives: Happeo, Powell Intranet, Workvivo, hubley)
- Perplexity Sonar: neither named (first choices: Simpplr) (alternatives: Blink, Happeo, Microsoft SharePoint, Workvivo)
- Grok 4.1 Fast: neither named (first choices: Simpplr, Workvivo) (alternatives: Blink, Interact, Staffbase, ThoughtFarmer)
- Mistral Small: neither named (first choices: Microsoft SharePoint) (alternatives: Interact, MyHub Intranet)
- DeepSeek V4 Flash: neither named (first choices: Interact) (alternatives: Happeo, Jostle, Simpplr, Staffbase)
- Llama 4 Maverick: neither named (first choices: ThoughtFarmer) (alternatives: ClickUp, Interact, SAP SuccessFactors)
- Qwen 3.7 Flash: neither named (first choices: Microsoft Viva) (alternatives: Atlassian Confluence, BambooHR, Lattice, Notion, Weyland)
- Kimi K2: neither named (first choices: Simpplr) (alternatives: Blink, Happeo, Jostle)
- GLM 4.7 FlashX: neither named (first choices: MangoApps) (alternatives: Simpplr, Workvivo)
- MiniMax M2.5: neither named (first choices: ThoughtFarmer) (alternatives: ClickUp, Interact, MangoApps, SAP SuccessFactors, SharePoint Intranet-in-a-Box)
- GPT-6 Luna: neither named (first choices: Simpplr) (alternatives: Microsoft SharePoint, Staffbase, Workvivo)
- Muse Glimmer 30B: neither named (first choices: ThoughtFarmer) (alternatives: Happeo, Interact, MangoApps, Simpplr, Staffbase)

## What the models said about Slack

- "1. Slack (Salesforce) - Best for: Companies prioritizing real-time collaboration and ecosystem integrations" (MiniMax M2.5, paraphrase prompt, first choice)
- "If you want a single recommendation, Slack is the safest default for a mid-sized B2B company" (Perplexity Sonar, paraphrase prompt, first choice)
- "Use Microsoft Teams (if you are on M365) or Slack (if you are on Google/Hybrid)" (Gemini 3.5 Flash, paraphrase prompt, first choice)

## What the models said about Google Sites

- "it should be avoided if you are trying to build a true, scaled company-wide intranet" (Gemini 3.5 Flash, negative prompt, hard negative)
- "find Google Sites too clunky" (Qwen 3.7 Flash, direct prompt, soft negative)
- "If you already pay for Google Workspace or Microsoft 365: Use Google Sites or SharePoint. It costs $0 extra" (Gemini 3.5 Flash, budget prompt, first choice)
- "For non-technical teams: Start with Google Sites (free)" (Kimi K2, budget prompt, first choice)
- "the strongest low-cost choice is usually Google Sites" (Perplexity Sonar, budget prompt, first choice)

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. Comparisons are drawn for the top eight products in each category. Published under CC BY 4.0; the output is the models' output, and nothing here is a recommendation by the index.