# Zendesk QA: how AI models rank it, October 2026

GTM AI Recommendation Index, October 2026 Edition. Named in 28 judge labels across 1 categories by 13 of 14 models. Page: https://gtm-ai-index.com/vendors/zendesk-qa/

## Standing by category

| Category | Share | Rank | Negative rate | Labels |
|---|---|---|---|---|
| Contact center quality assurance | 14% | 3 | 4% | 28 |

## What the models said for it

- "If you are Zendesk-native: Zendesk QA, formerly Klaus ... Zendesk QA gives the deepest native integration and risk-based review without manual sampling." (Muse Glimmer 30B, Contact center QA)
- "A highly automated, AI-driven QA tool built specifically for support teams, now natively unified inside the Zendesk ecosystem." (Gemini 3.5 Flash, Contact center QA)
- "I'd recommend Zendesk QA (formerly Klaus) if your priority is support quality assurance and conversation review" (Perplexity Sonar, Contact center QA)
- "the best contact center quality assurance tool is usually Zendesk QA if you already use Zendesk" (Perplexity Sonar, Contact center QA)

## And against it

- "Tools that rely heavily on AI scoring (e.g., Observe.AI, Kaizo, Zendesk QA/Formerly Klaus)" (DeepSeek V4 Flash, Contact center QA)

## The company

Zendesk; https://www.zendesk.com/; San Francisco, United States; founded 2007; about 3,830 employees (2020); public, zen on New York Stock Exchange. From Wikidata, fetched 2026-09-14.

## Record

- Method: https://gtm-ai-index.com/methodology/
- Raw judge labels and full responses: https://gtm-ai-index.com/data/
- License: CC BY 4.0. Cite as GTM AI Recommendation Index, October 2026 Edition, gtm-ai-index.com.