# Warmup Inbox: how AI models rank it, November 2026

Gane Index, November 2026 Edition. Named in 10 judge labels across 1 category by 9 of 14 models. Page: https://www.gane.ai/index/gtm/vendors/warmup-inbox

## Standing by category

| Category | Share | Rank | Negative rate | Labels |
|---|---|---|---|---|
| [Email deliverability and testing tools](https://www.gane.ai/index/gtm/marketing/email-deliverability-and-testing/index.md) | 0% | 26 | 10% | 10 |

## What the models said for it

- "Saleshandy Inbox Radar or Warmup Inbox (strong for testing/warm-up)." (Grok 4.20, Email deliverability)
- "for truly tight budgets, start with Warmup Inbox at $12/month" (DeepSeek V4 Flash, Email deliverability)
- "Warmup Inbox or MyEmailVerifier for specific needs" (MiniMax M2.5, Email deliverability)
- "Use a placement-and-warm-up product such as MailReach" (Perplexity Sonar, Email deliverability)

## And against it

- "What You Should Avoid for Budget Senders ... Paid warm‑up services (e.g., Warmup Inbox at $15/month per inbox)" (GLM 4.7 FlashX, Email deliverability)

## 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 | 0 | 1 |
| Perplexity Sonar | 0 | 1 | 0 | 0 | 1 |
| Grok 4.20 | 0 | 1 | 0 | 0 | 1 |
| Mistral Small | 0 | 0 | 0 | 0 | 0 |
| DeepSeek V4 Flash | 0 | 1 | 0 | 0 | 1 |
| Llama 4 Maverick | 0 | 0 | 0 | 0 | 0 |
| Qwen 3.7 Flash | 0 | 0 | 1 | 0 | 1 |
| Kimi K2 | 0 | 0 | 2 | 0 | 2 |
| GLM 4.7 FlashX | 0 | 0 | 0 | 1 | 1 |
| MiniMax M2.5 | 0 | 1 | 0 | 0 | 1 |
| GPT-6 Luna | 0 | 0 | 0 | 0 | 0 |
| Muse Glimmer 30B | 0 | 1 | 0 | 0 | 1 |

## Sources returned with these answers

The sites and pages cited by the answers that named Warmup Inbox, from 14 of the 18 answers that named it (only the models that return a source list).

### Domains cited

- myemailverifier.com: 6
- unspam.email: 6
- sendlayer.com: 5
- emailtooltester.com: 4
- omnisend.com: 4
- prospeo.io: 4
- sender.net: 4
- smtp.com: 4
- toolradar.com: 4
- amplemarket.com: 3

### Pages cited

- https://myemailverifier.com/blog/email-deliverability-tools: 6
- https://sendlayer.com/blog/best-email-deliverability-tools: 5
- https://unspam.email/articles/email-deliverability-softwares: 5
- https://omnisend.com/blog/email-deliverability-tools: 4
- https://amplemarket.com/blog/best-email-deliverability-tools: 3
- https://emailtooltester.com/en/email-deliverability-test: 3
- https://maccelerator.la/en/blog/entrepreneurship/email-deliverability-tools-startups: 3
- https://sender.net/blog/email-deliverability-tools: 3

## Record

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