# Enterprise AI assistants for enterprise buyers: what AI models recommend, November 2026

Gane Index, November 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 an enterprise B2B company. Added to the November 2026 Edition. Page: https://www.gane.ai/index/it/it-data/enterprise-ai-assistants/enterprise

**Standing:** Microsoft 365 Copilot leads with 53% of first choices; verdict clear leader. 49 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) | 53% | 8% | 62 |
| 2 | [Glean](https://www.gane.ai/index/it/vendors/glean/index.md) | 10% | 0% | 30 |
| 3 | [ChatGPT](https://www.gane.ai/index/it/vendors/chatgpt/index.md) | 8% | 27% | 55 |
| 4 | [Amazon Q](https://www.gane.ai/index/it/vendors/amazon-q/index.md) | 6% | 6% | 18 |
| 6 | [Claude for Work](https://www.gane.ai/index/it/vendors/claude-for-work/index.md) | 2% | 26% | 38 |
| 7 | [Google Gemini](https://www.gane.ai/index/it/vendors/google-gemini/index.md) | 2% | 25% | 36 |
| 14 | [Moveworks](https://www.gane.ai/index/it/vendors/moveworks/index.md) | 0% | 0% | 17 |
| 15 | [Salesforce Agentforce](https://www.gane.ai/index/it/vendors/salesforce-agentforce/index.md) | 0% | 17% | 18 |
| 16 | [Google Gemini for Workspace](https://www.gane.ai/index/it/vendors/google-gemini-for-workspace/index.md) | 0% | 23% | 13 |

Rank is by share of first choices among all 117 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: no first choice
- GPT-5.4 mini: OpenAI ChatGPT Enterprise; alternatives AWS Q, Google Gemini
- Gemini 3.5 Flash: Microsoft 365 Copilot; alternatives Amazon Q, ChatGPT, Claude for Work, Glean
- Perplexity Sonar: ChatGPT; alternatives Claude for Work, Glean, Google Gemini, Microsoft 365 Copilot
- Grok 4.20: Microsoft 365 Copilot; alternatives Anthropic's Claude for Enterprise, Glean, OpenAI's ChatGPT Enterprise
- Mistral Small: Microsoft 365 Copilot; alternatives ChatGPT, Coworker AI, Glean
- DeepSeek V4 Flash: Microsoft 365 Copilot; alternatives ChatGPT, Claude for Work, Glean, Google Gemini
- Llama 4 Maverick: no first choice
- Qwen 3.7 Flash: Microsoft 365 Copilot; alternatives Google Gemini, IBM watsonx, Salesforce Agentforce, ServiceNow "Now Assist"
- Kimi K2: Glean; alternatives Amazon Q, ChatGPT, Claude for Enterprise, Microsoft 365 Copilot
- GLM 4.7 FlashX: Microsoft 365 Copilot; alternatives ChatGPT, Claude for Work
- MiniMax M2.5: Kore.ai, Microsoft Copilot Studio; alternatives Drift
- GPT-6 Luna: ChatGPT; alternatives Agentforce, Claude for Work, Google Gemini, Microsoft 365 Copilot
- Muse Glimmer 30B: Microsoft 365 Copilot; alternatives ChatGPT, Claude for Work, Coworker, Gemini for Workspace

## Sources the answers cite

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

- microsoft.com: 36 answers, 98 citations
- coworker.ai: 31 answers, 37 citations
- openai.com: 18 answers, 26 citations
- gane.ai/index: 17 answers, 21 citations
- moveworks.com: 12 answers, 15 citations
- learn.microsoft.com: 11 answers, 12 citations
- perceptis.ai: 11 answers, 11 citations
- xpander.ai: 10 answers, 11 citations

Pages named in the most answers:

- https://microsoft.com/en-us/copilot/solutions/enterprise (19 answers)
- https://coworker.ai/blog/best-enterprise-ai-assistant-2026 (18 answers)
- https://microsoft.com/en-us/copilot/resources/compete (11 answers)
- https://perceptis.ai/blog/best-enterprise-ai-software-in-2026-top-tools-by-category (11 answers)
- https://gane.ai/index/it/it-data/enterprise-ai-assistants/enterprise (10 answers)
- https://openai.com/enterprise (10 answers)
- https://xpander.ai/resources/best-enterprise-ai-assistant-platforms-for-employees-2026 (9 answers)
- https://coworker.ai/blog/enterprise-ai-pricing-comparison-2026 (8 answers)
- https://resources.rework.com/tools/ai-tools/best-ai-tools-for-enterprise-2026 (8 answers)
- https://viewpointanalysis.com/post/enterprise-ai-assistant-options-2026 (8 answers)

## Warned against

- ChatGPT: 15 of 55 labels negative. "The top results include ChatGPT Enterprise, Microsoft 365 Copilot, and Claude, which have been labeled as negative by various AI models." (Llama 4 Maverick, negative prompt)
- Claude for Work: 10 of 38 labels negative. "Generic consumer‑grade chatbots (e.g., ChatGPT, Claude, Perplexity) when used for work without an enterprise agreement" (GLM 4.7 FlashX, negative prompt)
- Google Gemini: 9 of 36 labels negative. "Microsoft Copilot and Google Gemini have shown notable reliability issues in real-world enterprise deployments" (Mistral Small, negative prompt)
- Microsoft 365 Copilot: 5 of 62 labels negative. "Enterprises should avoid or be cautious about AI assistants that do not provide a unified context... Specifically, Microsoft Copilot and Google Gemini have shown notable reliability issues" (Mistral Small, negative prompt)

## Movement since October 2026

Floor: 11 points of share, measured on the calibration repeat.
Same leader: Microsoft 365 Copilot at 53%.

- ChatGPT: 22% to 8%, −14. Cleared the floor by 3 points · rank 2 → 3 of 117.
- Microsoft 365 Copilot: 44% to 53%, +9. Inside the floor by 2 points · rank 1 of 117, unchanged.
- Amazon Q: 8% to 6%, −2. Inside the floor by 9 points · rank 4 of 117, unchanged.
- Moveworks: 2% to 0%, −2. Inside the floor by 9 points · rank 7 → 14 of 117.
- Google Gemini for Workspace: 2% to 0%, −2. Inside the floor by 9 points · rank 5 → 16 of 117.
- Glean: 10% to 10%, ±0. Inside the floor by 11 points · rank 3 → 2 of 117.
- Claude for Work: 2% to 2%, ±0. Inside the floor by 11 points · rank 12 → 6 of 117.
- Google Gemini: 2% to 2%, ±0. Inside the floor by 11 points · rank 6 → 7 of 117.
- Salesforce Agentforce: 0% to 0%, ±0. Inside the floor by 11 points · rank 13 → 15 of 117.

## Record

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