# Zendesk QA vs Playvox: which do AI models recommend for Contact center QA, October 2026

GTM AI Recommendation Index, October 2026 Edition, Contact center quality assurance. Two of fourteen models named Zendesk QA first on the direct prompt; zero named Playvox. Page: https://gtm-ai-index.com/customer/contact-center-quality-assurance/zendesk-qa-vs-playvox/

| | First-choice share | Rank | Negative rate | Labels | Models naming it |
|---|---|---|---|---|---|
| Zendesk QA | 14% | #3 of 13 | 4% | 28 | 13 of 14 |
| Playvox | 2% | #7 of 13 | 0% | 16 | 8 of 14 |

## The direct prompt, model by model

- Gemini 3.5 Flash: zendesk qa first (first choices: Zendesk QA) (alternatives: EvaluAgent, Level AI, MaestroQA)
- Muse Glimmer 30B: zendesk qa first (first choices: Observe.AI, Zendesk QA) (alternatives: EvaluAgent, Playvox, Scorebuddy)
- GPT-5.4 mini: neither first, one named (first choices: Level AI) (alternatives: Calabrio ONE, Scorebuddy, Zendesk QA)
- Grok 4.1 Fast: neither first, one named (first choices: EvaluAgent, Scorebuddy) (alternatives: Balto, Talkdesk QM, Zendesk QA)
- DeepSeek V4 Flash: neither first, one named (first choices: EvaluAgent) (alternatives: AmplifAI, Observe.AI, Scorebuddy, Talkdesk, Zendesk QA)
- Qwen 3.7 Flash: neither first, one named (first choices: CallMiner Eureka) (alternatives: Five9 Agent Connect, MaestroQA, NICE CXone Quality Management, Playvox)
- Kimi K2: neither first, one named (first choices: EvaluAgent) (alternatives: Playvox, ScorebuddyCX, Zendesk QA)
- MiniMax M2.5: neither first, one named (first choices: Scorebuddy) (alternatives: EvaluAgent, Voxjar, Zendesk QA)
- Claude Haiku 4.5: neither named (first choices: Scorebuddy) (alternatives: Convin, EvaluAgent, Gong, Level AI)
- Perplexity Sonar: neither named (first choices: Scorebuddy) (alternatives: AmplifAI, Balto, EvaluAgent, Level AI)
- Mistral Small: neither named (first choices: EvaluAgent, Scorebuddy) (alternatives: Talkdesk)
- Llama 4 Maverick: neither named (first choices: EvaluAgent) (alternatives: GetApp, Scorebuddy)
- GLM 4.7 FlashX: neither named (first choices: AmplifAI, Balto) (alternatives: EvaluAgent, Playvox QM, Scorebuddy)
- GPT-6 Luna: neither named (first choices: EvaluAgent) (alternatives: CallMiner Eureka, NICE CXone Quality Management)

## What the models said about Zendesk QA

- "Tools that rely heavily on AI scoring (e.g., Observe.AI, Kaizo, Zendesk QA/Formerly Klaus)" (DeepSeek V4 Flash, negative prompt, soft negative)
- "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, direct prompt, first choice)
- "A highly automated, AI-driven QA tool built specifically for support teams, now natively unified inside the Zendesk ecosystem." (Gemini 3.5 Flash, comparative prompt, first choice)
- "I'd recommend Zendesk QA (formerly Klaus) if your priority is support quality assurance and conversation review" (Perplexity Sonar, paraphrase prompt, first choice)

## What the models said about Playvox

- "Playvox or Scorebuddy are likely your best bets" (Kimi K2, paraphrase prompt, first choice)
- "the best-in-class solutions (e.g., Playvox, Qualtrics, advanced EnsembleIQ styles) combine AI for 100% coverage with human calibration" (DeepSeek V4 Flash, negative prompt, alternative)
- "Best for: Contact centers needing QA + workforce management + gamification in one platform" (Kimi K2, comparative prompt, alternative)

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.