# Let's Encrypt + Certbot: how AI models rank it, November 2026

Gane Index, November 2026 Edition. Named in 2 judge labels across 1 category by 2 of 14 models. Page: https://www.gane.ai/index/it/vendors/let-s-encrypt-certbot

## Standing by category

| Category | Share | Rank | Negative rate | Labels |
|---|---|---|---|---|
| [Certificate lifecycle management](https://www.gane.ai/index/it/identity/certificate-lifecycle-management/index.md) | 0% | 31 | 0% | 2 |

## What the models said for it

- "The "Zero Budget" Choice Recommendation: Let's Encrypt + Certbot (or Certify The Web)" (Qwen 3.7 Flash, Certificate management)
- "If you only need public TLS certificates: Use Let's Encrypt with certbot (free)" (MiniMax M2.5, Certificate management)

## 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 | 0 | 0 | 0 | 0 |
| Perplexity Sonar | 0 | 0 | 0 | 0 | 0 |
| Grok 4.20 | 0 | 0 | 0 | 0 | 0 |
| 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 | 1 | 0 | 0 | 1 |
| Kimi K2 | 0 | 0 | 0 | 0 | 0 |
| GLM 4.7 FlashX | 0 | 0 | 0 | 0 | 0 |
| MiniMax M2.5 | 0 | 1 | 0 | 0 | 1 |
| 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 Let's Encrypt + Certbot, from 10 of the 11 answers that named it (only the models that return a source list).

### Domains cited

- g2.com: 8
- gane.ai/index: 7
- topbusinesssoftware.com: 7
- akeyless.io: 6
- appviewx.com: 5
- sectigo.com: 5
- sourceforge.net: 5
- microsoft.com: 4
- cloudflare.com: 3
- thectoclub.com: 3

### Pages cited

- https://www.gane.ai/index/it/identity/certificate-lifecycle-management/smb: 7
- https://akeyless.io/blog/blog-best-certificate-lifecycle-management-software: 6
- https://g2.com/categories/certificate-lifecycle-management-clm/small-business: 6
- https://sourceforge.net/software/certificate-lifecycle-management: 5
- https://appviewx.com/blogs/best-certificate-lifecycle-management-software-2026: 4
- https://microsoft.com/en/security/business/endpoint-management/microsoft-cloud-pki: 4
- https://sectigo.com/certificate-manager: 3
- https://sectigo.com/enterprise-solutions: 3

## In its own words

What Let's Encrypt + Certbot's own pages state, read 2026-10-06. Stated by the vendor, not checked by the index.

- Positioning: A nonprofit providing free TLS certificates to more than 700M700M websites. (https://letsencrypt.org/)
- For: websites (https://letsencrypt.org/)
- Price stated: free (https://letsencrypt.org/)
- Free plan or trial: free TLS certificates (https://letsencrypt.org/)

## What it publishes

Every page letsencrypt.org exposes, read 2026-10-05: 11143 addresses. By kind, pages and the last 90 days:

- webinar or virtual event: 2 pages, 0 in the last 90 days, latest 2026-07-02
- conference or event: 3 pages, 0 in the last 90 days, latest 2018-08-29
- report or ebook: 13 pages, 0 in the last 90 days, latest 2019-03-07
- comparison: 36 pages, 0 in the last 90 days, latest 2026-04-15
- template or tool: 1 pages, 0 in the last 90 days, latest 2018-03-25
- glossary or explainer: 209 pages, 0 in the last 90 days, latest 2019-08-31
- Recent: 2026-07-02 webinar or virtual event: 248603 https://community.letsencrypt.org/t/false-positive-test-api-app-uca-edu-ar-blocked-as-recursive-on-demand-issuance/248603
- Recent: 2026-04-15 comparison: 246630 https://community.letsencrypt.org/t/does-certbot-support-cname-challenge-how-does-cname-validation-work-vs-dns-01/246630
- Recent: 2026-03-26 webinar or virtual event: 246162 https://community.letsencrypt.org/t/certificates-denied-for-subdomain-with-error-domain-name-contains-too-many-subdomain-labels-indicative-of-recursive-on-demand-issuance/246162
- Recent: 2019-08-31 glossary or explainer: 101013 https://community.letsencrypt.org/t/wordpress-multisite-add-on-sites-not-showing-wp/101013
- Recent: 2019-08-31 glossary or explainer: 101015 https://community.letsencrypt.org/t/vesta-subdomain-ssl-not-accept-error-429/101015
- Recent: 2019-08-30 glossary or explainer: 101003 https://community.letsencrypt.org/t/net-err-cert-common-name-invalid/101003

## Record

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