# Signal: how AI models rank it, November 2026

Gane Index, November 2026 Edition. Named in 4 judge labels across 2 categories by 3 of 14 models. Page: https://www.gane.ai/index/hr/vendors/signal

## Standing by category

| Category | Share | Rank | Negative rate | Labels |
|---|---|---|---|---|
| [Frontline employee apps](https://www.gane.ai/index/hr/experience/frontline-employee-apps/index.md) | 0% | 80 | 67% | 3 |
| [Whistleblowing and investigations](https://www.gane.ai/index/hr/core/whistleblowing-and-investigations/index.md) | 0% | 58 | 0% | 1 |

## What the models said for it

- "use encrypted apps like Signal instead (as recommended by CISA guidelines for targeted users)" (Grok 4.20, Frontline employee apps)
- "Reaching out directly to journalists via an account registered anonymously" (Gemini 3.5 Flash, Whistleblowing)

## And against it

- "be cautious with: - WhatsApp, Signal, Telegram, Facebook Messenger, and personal Gmail for work communications" (Perplexity Sonar, Frontline employee apps)
- "they lack administrative controls, read-acknowledgment tracking for safety updates, and shift-swapping features" (Gemini 3.5 Flash, Frontline employee apps)

## By model

| Model | First choice | Alternative | Mention | Warning | Labels |
|---|---|---|---|---|---|
| Claude Haiku 4.5 | 0 | 0 | 0 | 0 | 0 |
| GPT-5.4 mini | 0 | 0 | 0 | 0 | 0 |
| Gemini 3.5 Flash | 0 | 1 | 0 | 1 | 2 |
| Perplexity Sonar | 0 | 0 | 0 | 1 | 1 |
| Grok 4.20 | 0 | 1 | 0 | 0 | 1 |
| Mistral Small | 0 | 0 | 0 | 0 | 0 |
| DeepSeek V4 Flash | 0 | 0 | 0 | 0 | 0 |
| Llama 4 Maverick | 0 | 0 | 0 | 0 | 0 |
| Qwen 3.7 Flash | 0 | 0 | 0 | 0 | 0 |
| Kimi K2 | 0 | 0 | 0 | 0 | 0 |
| GLM 4.7 FlashX | 0 | 0 | 0 | 0 | 0 |
| MiniMax M2.5 | 0 | 0 | 0 | 0 | 0 |
| GPT-6 Luna | 0 | 0 | 0 | 0 | 0 |
| Muse Glimmer 30B | 0 | 0 | 0 | 0 | 0 |

## Sources returned with these answers

The sites and pages cited by the answers that named Signal, from 11 of the 13 answers that named it (only the models that return a source list).

### Domains cited

- salesforce.com: 6
- element.io: 5
- leadchangegroup.com: 5
- mangoapps.com: 5
- microsoft.com: 5
- agilityportal.io: 4
- gane.ai/index: 4
- joinblink.com: 4
- learn.microsoft.com: 4
- polymerhq.io: 4

### Pages cited

- https://salesforce.com/slack/slack-frontline: 6
- https://element.io/blog/frontline-workers-and-messenger-apps-how-to-solve-shadow-it: 4
- https://leadchangegroup.com/frontline-workforce-software/enterprise: 4
- https://microsoft.com/en-us/microsoft-365/enterprise/frontline: 4
- https://polymerhq.io/blog/how-to-mitigate-the-security-risks-of-frontline-saas-apps: 4
- https://element.io/blog/how-to-solve-the-whatsapp-at-work-problem: 3
- https://www.gane.ai/index/hr/experience/frontline-employee-apps/2026-09/enterprise: 3
- https://leadchangegroup.com/frontline-workforce-software/compare: 3

## Record

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