# Virtual data rooms for enterprise buyers: what AI models recommend, October 2026

Finance AI Recommendation Index, October 2026 Edition. Asked as "virtual data room" and as "M&A due diligence data room", six framings each, to fourteen models with search on, on behalf of an enterprise B2B company. Added to the October 2026 Edition on October 4, 2026; its answers are read by the distilled judge (ai-indexes-judge-qwen3-14b-run3), not the claude-opus-5 judge of the earlier categories. Page: https://finance-ai-index.com/corporate/virtual-data-rooms/enterprise/

**Standing:** Datasite Diligence leads with 46% of first choices; verdict clear leader. 57 first choices across the direct, paraphrase, budget and scale prompts.

## First-choice share

| # | Product | Share | Negative rate | Labels |
|---|---|---|---|---|
| 1 | Datasite Diligence | 46% | 19% | 67 |
| 2 | Intralinks | 18% | 20% | 55 |
| 3 | SecureDocs | 11% | 5% | 19 |
| 4 | Firmex | 7% | 0% | 35 |
| 5 | iDeals | 5% | 9% | 32 |
| 6 | DealRoom | 4% | 0% | 19 |
| 7 | FirmRoom | 2% | 0% | 11 |
| 8 | Box | 2% | 42% | 24 |
| 9 | Ansarada | 0% | 0% | 24 |
| 10 | DFIN Venue | 0% | 0% | 11 |

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

- Claude Haiku 4.5: iDeals; alternatives Ansarada, Datasite Diligence, Intralinks
- GPT-5.4 mini: Datasite Diligence; alternatives Firmex, Intralinks, iDeals Virtual Data Room
- Gemini 3.5 Flash: Datasite Diligence; alternatives Ansarada, Box, Clinked, DealRoom
- Perplexity Sonar: Datasite Diligence; alternatives Box, Doxis, Intralinks
- Grok 4.1 Fast: Datasite Diligence, Intralinks; alternatives Firmex, iDeals Virtual Data Room
- Mistral Small: Datasite Diligence; alternatives Box, Intralinks
- DeepSeek V4 Flash: Datasite Diligence; alternatives Intralinks, iDeals
- Llama 4 Maverick: Datasite Diligence, Intralinks; alternatives Box
- Qwen 3.7 Flash: Intralinks; alternatives Box, Datasite Diligence, Firmex, SecureDocs
- Kimi K2: Intralinks; alternatives Datasite Diligence, Firmex, iDeals
- GLM 4.7 FlashX: Datasite Diligence, SS&C Intralinks; alternatives Papermark, Peony Data Room, iDeals
- MiniMax M2.5: Firmex, Intralinks; alternatives Box, Datasite Diligence
- GPT-6 Luna: iDeals; alternatives Datasite Diligence, Intralinks
- Muse Glimmer 30B: Datasite Diligence, Intralinks; alternatives Box VDR

## Sources the answers cite

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

- peony.ink: 60 answers, 97 citations
- papermark.com: 48 answers, 90 citations
- idealsvdr.com: 41 answers, 46 citations
- fast.io: 36 answers, 50 citations
- clinked.com: 27 answers, 28 citations
- datasite.com: 22 answers, 30 citations
- dataroom-providers.org: 20 answers, 24 citations
- ethosdata.com: 19 answers, 22 citations

Pages named in the most answers:

- https://peony.ink/blog/top-10-virtual-data-room-providers (50 answers)
- https://fast.io/resources/virtual-data-room-providers (32 answers)
- https://clinked.com/virtual-data-room-providers (27 answers)
- https://idealsvdr.com/blog/virtual-data-room/best-virtual-data-rooms-compared (27 answers)
- https://bignewsnetwork.com/news/279338211/top-10-data-room-providers-the-ultimate-guide-for-businesses (19 answers)
- https://papermark.com/blog/best-virtual-data-rooms-for-due-diligence (19 answers)
- https://agilityportal.io/blog/7-best-virtual-data-rooms-for-m-a-dont-choose-until-you-read-this (17 answers)
- https://papermark.com/blog/best-virtual-data-rooms (17 answers)
- https://fast.io/resources/virtual-data-rooms-comparison (15 answers)
- https://dealroom.net/resources/virtual-data-room-providers-comparison (14 answers)

## Warned against

- Box: 10 of 24 labels negative. "Avoid Datasite, Intralinks, and per-user models like Box if cost predictability across thousands of users is your top priority" (DeepSeek V4 Flash, budget prompt)
- Datasite Diligence: 13 of 67 labels negative. "Avoid Datasite, Intralinks, and per-user models like Box if cost predictability across thousands of users is your top priority" (DeepSeek V4 Flash, budget prompt)
- Intralinks: 11 of 55 labels negative. "Legacy Enterprise VDRs to Avoid for Predictable Costs - Datasite, Intralinks" (MiniMax M2.5, budget prompt)
- Dropbox: 6 of 6 labels negative. "Standard Cloud Storage (Google Drive, Dropbox, MS OneDrive) configured as VDRs: ... these tools lack the granular permissions" (Qwen 3.7 Flash, negative prompt)

## Record

- Method: https://finance-ai-index.com/methodology/
- Raw judge labels and full responses: https://finance-ai-index.com/data/
- License: CC BY 4.0. Cite as Finance AI Recommendation Index, October 2026 Edition, finance-ai-index.com.