# Enterprise AI assistants: what AI models recommend, October 2026

Gane Index, October 2026 Edition. Asked as "enterprise AI assistant" and as "company-wide AI chatbot for employees", six framings each, to fourteen models with search on, on behalf of a mid-market B2B company. Added to the October 2026 Edition on October 4, 2026. Page: https://www.gane.ai/index/it/it-data/enterprise-ai-assistants/2026-10

This is the permanent record of the October 2026 Edition, published October 1, 2026 and superseded since. The current standing: https://www.gane.ai/index/it/it-data/enterprise-ai-assistants/index.md

**Standing:** Microsoft 365 Copilot leads with 31% of first choices; verdict contested. 48 first choices across the direct, paraphrase, budget and scale prompts.

## First-choice share

| Rank | Product | Share | Negative rate | Labels |
|---|---|---|---|---|
| 1 | [Microsoft 365 Copilot](https://www.gane.ai/index/it/vendors/microsoft-365-copilot/index.md) | 31% | 16% | 58 |
| 2 | [ChatGPT](https://www.gane.ai/index/it/vendors/chatgpt/index.md) | 25% | 21% | 47 |
| 3 | [Amazon Q](https://www.gane.ai/index/it/vendors/amazon-q/index.md) | 10% | 19% | 16 |
| 4 | [Glean](https://www.gane.ai/index/it/vendors/glean/index.md) | 6% | 6% | 16 |
| 17 | [Claude for Work](https://www.gane.ai/index/it/vendors/claude-for-work/index.md) | 0% | 20% | 25 |
| 18 | [Google Gemini](https://www.gane.ai/index/it/vendors/google-gemini/index.md) | 0% | 24% | 25 |
| 19 | [Google Gemini for Workspace](https://www.gane.ai/index/it/vendors/google-gemini-for-workspace/index.md) | 0% | 0% | 11 |
| 20 | [Salesforce Agentforce](https://www.gane.ai/index/it/vendors/salesforce-agentforce/index.md) | 0% | 15% | 13 |

Rank is by share of first choices among all 134 products named; products with the same share are tied, and the order among them carries no meaning. The table lists those with at least 10 labels.

## Each model's first choice on the direct prompt

- Claude Haiku 4.5: 1mind, AI Hive; alternatives Gong, Microsoft 365 Copilot
- GPT-5.4 mini: ChatGPT; alternatives Gemini for Workspace, Google Gemini, Microsoft 365 Copilot
- Gemini 3.5 Flash: Glean, Microsoft 365 Copilot; alternatives 1mind, ChatGPT Team or Enterprise, Moveworks
- Perplexity Sonar: HubSpot with Breeze AI; alternatives Artisan, Glean, Microsoft 365 Copilot, Regie.ai
- Grok 4.20: Microsoft 365 Copilot; alternatives Glean, Gong, Salesforce Agentforce
- Mistral Small: Gong; alternatives ChatGPT, HubSpot Breeze AI, Monday.com Revenue AI OS
- DeepSeek V4 Flash: Microsoft 365 Copilot; alternatives ChatGPT, Claude for Work, Glean Assistant, Google Gemini
- Llama 4 Maverick: no first choice
- Qwen 3.7 Flash: HubSpot Breeze AI; alternatives Apollo, Chorus, Clay, Gong
- Kimi K2: Microsoft 365 Copilot; alternatives Gong
- GLM 4.7 FlashX: Microsoft 365 Copilot; alternatives Gong, HubSpot Breeze AI, Monday CRM with AI
- MiniMax M2.5: no first choice
- GPT-6 Luna: ChatGPT; alternatives Google Gemini for Workspace, Microsoft 365 Copilot
- Muse Glimmer 30B: HubSpot Breeze AI; alternatives Gong Revenue AI OS, Intercom, Respond.io

## Sources the answers cite

76 of 84 answers came back with a source list, from 14 of 14 models. Sites named in the most answers:

- resources.rework.com: 30 answers, 33 citations
- intuitionlabs.ai: 20 answers, 37 citations
- coworker.ai: 20 answers, 24 citations
- slite.com: 20 answers, 20 citations
- glean.com: 19 answers, 23 citations
- microsoft.com: 15 answers, 29 citations
- monday.com: 14 answers, 19 citations
- moveworks.com: 12 answers, 19 citations

Pages named in the most answers:

- https://resources.rework.com/tools/ai-tools/best-ai-tools-for-enterprise-2026 (23 answers)
- https://slite.com/learn/ai-assistants-for-business (19 answers)
- https://intuitionlabs.ai/articles/enterprise-ai-assistants-comparison (17 answers)
- https://coworker.ai/blog/best-enterprise-ai-assistant-2026 (14 answers)
- https://monday.com/blog/crm-and-sales/enterprise-ai-tools-for-b2b-sales-workflows (10 answers)
- https://viewpointanalysis.com/post/enterprise-ai-assistant-options-2026 (10 answers)
- https://glean.com/perspectives/9-key-questions-for-evaluating-ai-assistant-vendors-in-2026 (9 answers)
- https://slack.com/blog/ai/best-ai-chatbot-solutions (9 answers)
- https://intuitionlabs.ai/pdfs/enterprise-ai-assistants-comparison.pdf (8 answers)
- https://perceptis.ai/blog/best-enterprise-ai-software-in-2026-top-tools-by-category (8 answers)

## Warned against

- ChatGPT: 10 of 47 labels negative. "Multiple major companies have banned it after data leaks" (MiniMax M2.5, negative prompt)
- Microsoft 365 Copilot: 9 of 58 labels negative. "Multiple controversies—EchoLeak (CVE-2025-32711) enabled zero-click data extraction via email injections; summarized confidential emails ignoring DLP/sensitivity labels." (Grok 4.20, negative prompt)
- Google Gemini: 6 of 25 labels negative. "Training is enabled by default on many tiers" (DeepSeek V4 Flash, negative prompt)
- Claude for Work: 5 of 25 labels negative. "Same issues with data being used for training" (MiniMax M2.5, negative prompt)

## Record

- Method: https://www.gane.ai/index/it/methodology
- License: CC BY 4.0. Cite as Gane Index, October 2026 Edition, www.gane.ai/index/it.