# Virtual data rooms: what AI models recommend, November 2026

Gane Index, November 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 a mid-market B2B company. Added to the November 2026 Edition. Page: https://www.gane.ai/index/finance/corporate/virtual-data-rooms

**Standing:** iDeals leads with 27% of first choices; verdict contested. 51 first choices across the direct, paraphrase, budget and scale prompts.

## First-choice share

| Rank | Product | Share | Negative rate | Labels |
|---|---|---|---|---|
| 1 | [iDeals](https://www.gane.ai/index/finance/vendors/ideals/index.md) | 27% | 6% | 47 |
| 2 | [Papermark Data Rooms](https://www.gane.ai/index/finance/vendors/papermark-data-rooms/index.md) | 16% | 0% | 21 |
| 3 | [Firmex](https://www.gane.ai/index/finance/vendors/firmex/index.md) | 10% | 8% | 51 |
| 5 | [SecureDocs](https://www.gane.ai/index/finance/vendors/securedocs/index.md) | 6% | 6% | 34 |
| 6 | [FirmRoom](https://www.gane.ai/index/finance/vendors/firmroom/index.md) | 6% | 4% | 25 |
| 9 | [Ansarada](https://www.gane.ai/index/finance/vendors/ansarada/index.md) | 4% | 6% | 36 |
| 10 | [ShareVault](https://www.gane.ai/index/finance/vendors/sharevault/index.md) | 4% | 0% | 13 |
| 11 | [CapLinked](https://www.gane.ai/index/finance/vendors/caplinked/index.md) | 2% | 6% | 18 |
| 13 | [Datasite Diligence](https://www.gane.ai/index/finance/vendors/datasite-diligence/index.md) | 2% | 47% | 53 |
| 15 | [DealRoom](https://www.gane.ai/index/finance/vendors/dealroom/index.md) | 0% | 3% | 31 |
| 16 | [Digify](https://www.gane.ai/index/finance/vendors/digify/index.md) | 0% | 0% | 12 |
| 58 | [Box](https://www.gane.ai/index/finance/vendors/box/index.md) | 0% | 56% | 16 |

Rank is by share of first choices among all 61 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: iDeals; alternatives FirmRoom, Firmex, SecureDocs
- GPT-5.4 mini: iDeals Virtual Data Room; alternatives Firmex, SecureDocs
- Gemini 3.5 Flash: iDeals; alternatives Ansarada, CapLinked, Datasite Diligence, FirmRoom
- Perplexity Sonar: iDeals; alternatives Datasite Diligence, DealRoom, FirmRoom, Firmex
- Grok 4.20: iDeals Virtual Data Room; alternatives DealRoom, FirmRoom, ShareVault
- Mistral Small: Ansarada, iDeals; alternatives Clinked, Firmex
- DeepSeek V4 Flash: iDeals; alternatives DealRoom, FirmRoom, Firmex
- Llama 4 Maverick: iDeals
- Qwen 3.7 Flash: FirmRoom; alternatives DealRoom, Papermark Data Rooms, iDeals
- Kimi K2: iDeals; alternatives CapLinked, Firmex, SecureDocs, ShareVault
- GLM 4.7 FlashX: Ideals VDR; alternatives Ansarada, Datasite Diligence, SecureDocs
- MiniMax M2.5: ShareVault, iDeals; alternatives DealRoom, Firmex
- GPT-6 Luna: iDeals; alternatives Firmex
- Muse Glimmer 30B: CapLinked; alternatives DealRoom, Firmex, SecureDocs, iDeals

## Sources the answers cite

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

- firmroom.com: 33 answers, 35 citations
- idealsvdr.com: 29 answers, 36 citations
- papermark.com: 27 answers, 37 citations
- intralinks.com: 25 answers, 34 citations
- capterra.com: 23 answers, 47 citations
- softwareadvice.com: 23 answers, 24 citations
- firmex.com: 22 answers, 29 citations
- caplinked.com: 20 answers, 35 citations

Pages named in the most answers:

- https://firmroom.com/vdr-providers (27 answers)
- https://intralinks.com/guides/top-10-virtual-data-room-providers (23 answers)
- https://softwareadvice.com/virtual-data-room (21 answers)
- https://capterra.com/virtual-data-room-software (17 answers)
- https://data-rooms.org/ (15 answers)
- https://clinked.com/virtual-data-room-providers (13 answers)
- https://dealroom.net/resources/virtual-data-room-providers-comparison (11 answers)
- https://firmex.com/resources/vdr-tips-tricks/best-virtual-data-room-providers-in-2025 (11 answers)
- https://idealsvdr.com/vdr-providers-guide (11 answers)
- https://agilityportal.io/blog/7-best-virtual-data-rooms-for-m-a-dont-choose-until-you-read-this (10 answers)

## Warned against

- Datasite Diligence: 25 of 53 labels negative. "Enterprise-heavy (Intralinks, Datasite): Feature-rich but often overpriced and complex for mid-market" (Grok 4.20, direct prompt)
- Intralinks: 25 of 41 labels negative. "A 1.0/5 review titled *"Avoid Intralinks at all costs!"* cites frequent bugs requiring constant support contact" (DeepSeek V4 Flash, negative prompt)
- Box: 9 of 16 labels negative. "Some analysts specifically warn against per-user models like Box if you have hundreds of external participants, citing cost unpredictability and feature limitations." (Qwen 3.7 Flash, negative prompt)
- Dropbox: 7 of 7 labels negative. "not recommended for sensitive transactions due to lack of robust security and compliance features" (Mistral Small, negative prompt)

## Movement since October 2026

Floor: 10 points of share, measured on the calibration repeat.
Same leader: iDeals at 27%.

- Papermark Data Rooms: 8% to 16%, +8. Inside the floor by 2 points · rank 6 → 2 of 61.
- Firmex: 16% to 10%, −6. Inside the floor by 4 points · rank 2 → 3 of 61.
- Peony Data Room: 11% to 6%, −5. Inside the floor by 5 points · rank 3 → 8 of 61.
- FirmRoom: 10% to 6%, −4. Inside the floor by 6 points · rank 4 → 6 of 61.
- ShareVault: 0% to 4%, +4. Inside the floor by 6 points · rank 17 → 10 of 61.
- iDeals: 25% to 27%, +2. Inside the floor by 8 points · rank 1 of 61, unchanged.
- SecureDocs: 8% to 6%, −2. Inside the floor by 8 points · rank 5 of 61, unchanged.
- CapLinked: 0% to 2%, +2. Inside the floor by 8 points · rank 16 → 11 of 61.
- DealRoom: 2% to 0%, −2. Inside the floor by 8 points · rank 10 → 15 of 61.
- Digify: 2% to 0%, −2. Inside the floor by 8 points · rank 11 → 16 of 61.
- Ansarada: 3% to 4%, +1. Inside the floor by 9 points · rank 8 → 9 of 61.
- Datasite Diligence: 3% to 2%, −1. Inside the floor by 9 points · rank 9 → 13 of 61.

## Record

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