# FirmRoom vs Papermark: which do AI models recommend for virtual data rooms, October 2026

Finance AI Recommendation Index, October 2026 Edition, Virtual data rooms. One of fourteen models named FirmRoom first on the direct prompt; zero named Papermark. Page: https://finance-ai-index.com/corporate/virtual-data-rooms/firmroom-vs-papermark/

| | First-choice share | Rank | Negative rate | Labels | Models naming it |
|---|---|---|---|---|---|
| FirmRoom | 10% | #4 of 15 | 5% | 22 | 12 of 14 |
| Papermark | 8% | #6 of 15 | 6% | 17 | 11 of 14 |

## The direct prompt, model by model

- Qwen 3.7 Flash: firmroom first (first choices: FirmRoom, Firmex) (alternatives: iDeals)
- Perplexity Sonar: neither first, one named (first choices: Firmex) (alternatives: Datasite Diligence, Papermark, SecureDocs, iDeals)
- Grok 4.1 Fast: neither first, one named (first choices: Firmex, iDeals) (alternatives: FirmRoom, SecureDocs, ShareVault)
- Mistral Small: neither first, one named (first choices: Firmex, iDeals) (alternatives: FirmRoom)
- Kimi K2: neither first, one named (first choices: iDeals) (alternatives: DealRoom, FirmRoom, Firmex)
- MiniMax M2.5: neither first, one named (first choices: iDeals) (alternatives: FirmRoom, Firmex)
- Muse Glimmer 30B: neither first, one named (first choices: iDeals) (alternatives: DealRoom, FirmRoom, Firmex)
- Claude Haiku 4.5: neither named (first choices: iDeals) (alternatives: CapLinked, Firmex)
- GPT-5.4 mini: neither named (first choices: iDeals Virtual Data Room) (alternatives: Clinked, Datasite Diligence, Firmex, SecureDocs)
- Gemini 3.5 Flash: neither named (first choices: iDeals) (alternatives: CapLinked, DealRoom, Firmex, ShareVault)
- DeepSeek V4 Flash: neither named (first choices: iDeals) (alternatives: Firmex, SecureDocs)
- Llama 4 Maverick: neither named
- GLM 4.7 FlashX: neither named (first choices: iDeals Virtual Data Room) (alternatives: Clinked, DealRoom, Firmex)
- GPT-6 Luna: neither named (first choices: Firmex) (alternatives: Datasite Diligence, DealRoom, Intralinks, iDeals)

## What the models said about FirmRoom

- "FirmRoom has a polarized reputation. While praised for ease of use, there are specific technical complaints to watch for." (Qwen 3.7 Flash, negative prompt, soft negative)
- "The mid-market leaders (iDeals, FirmEx, FirmRoom, SecureDocs, Papermark) offer strong security and features at flat-rate pricing" (DeepSeek V4 Flash, scale prompt, first choice)
- "For a mid-sized B2B company, I'd recommend FirmRoom for its balance of price, ease of use, and comprehensive features." (GLM 4.7 FlashX, paraphrase prompt, first choice)
- "Start with Firmex if you do multiple deals a year, or FirmRoom if you value simplicity and flat-rate pricing." (Qwen 3.7 Flash, direct prompt, first choice)

## What the models said about Papermark

- "Very affordable, but better suited for startups and smaller deals than complex mid-market M&A." (DeepSeek V4 Flash, paraphrase prompt, soft negative)
- "The mid-market leaders (iDeals, FirmEx, FirmRoom, SecureDocs, Papermark) offer strong security and features at flat-rate pricing" (DeepSeek V4 Flash, scale prompt, first choice)
- "making it ideal for startups and small businesses... excellent choice for early stage startups with limited budgets" (Claude Haiku 4.5, budget prompt, first choice)
- "the best virtual data room is usually Papermark, Digify, or SecureDocs" (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.