# Google Analytics 4 vs Amplitude: which do AI models recommend for web analytics, October 2026

GTM AI Recommendation Index, October 2026 Edition, Web analytics. Twelve of fourteen models named Google Analytics 4 first on the direct prompt; zero named Amplitude. Page: https://gtm-ai-index.com/gtm-data/web-analytics/google-analytics-4-vs-amplitude/

| | First-choice share | Rank | Negative rate | Labels | Models naming it |
|---|---|---|---|---|---|
| Google Analytics 4 | 57% | #1 of 14 | 25% | 80 | 14 of 14 |
| Amplitude | 8% | #2 of 14 | 6% | 35 | 14 of 14 |

## The direct prompt, model by model

- Claude Haiku 4.5: google analytics 4 first (first choices: Google Analytics 4) (alternatives: Coffee, Microsoft Clarity, Mixpanel, PostHog)
- GPT-5.4 mini: google analytics 4 first (first choices: Google Analytics 4) (alternatives: Matomo, Piwik PRO)
- Perplexity Sonar: google analytics 4 first (first choices: Google Analytics 4) (alternatives: HubSpot Marketing Hub, Matomo, Piwik PRO, Similarweb)
- Grok 4.1 Fast: google analytics 4 first (first choices: Google Analytics 4) (alternatives: Amplitude, Mixpanel)
- Mistral Small: google analytics 4 first (first choices: Google Analytics 4) (alternatives: Contentsquare, Glassbox, Mixpanel)
- DeepSeek V4 Flash: google analytics 4 first (first choices: Google Analytics 4) (alternatives: Amplitude, Dreamdata, Factors.ai, Fathom, Matomo, Mixpanel, Piwik PRO, Plausible Analytics, Sona)
- Llama 4 Maverick: google analytics 4 first (first choices: Google Analytics 4) (alternatives: Contentsquare, Glassbox, Mixpanel)
- Kimi K2: google analytics 4 first (first choices: BigQuery, Google Analytics 4) (alternatives: Amplitude, Attribution, Mixpanel, Ruler Analytics)
- GLM 4.7 FlashX: google analytics 4 first (first choices: Google Analytics 4) (alternatives: Adobe Marketo Measure, Dreamdata, Matomo, Ruler Analytics)
- MiniMax M2.5: google analytics 4 first (first choices: BigQuery, Google Analytics 4, Mixpanel) (alternatives: Amplitude, Heap, Matomo)
- GPT-6 Luna: google analytics 4 first (first choices: Google Analytics 4, PostHog) (alternatives: Amplitude, Matomo)
- Muse Glimmer 30B: google analytics 4 first (first choices: Google Analytics 4) (alternatives: Amplitude, BigQuery, Dealfront, Matomo, Mixpanel, Piwik PRO, PostHog, Similarweb, Sona, ZoomInfo WebSights)
- Qwen 3.7 Flash: neither first, one named (first choices: Dealfront, Sona) (alternatives: Amplitude, Google Analytics 4, Matomo, Mixpanel, Piwik PRO)
- Gemini 3.5 Flash: neither named (first choices: Factors.ai) (alternatives: Dealfront, Dreamdata, Fathom Analytics, HockeyStack, HubSpot Marketing Hub, Plausible Analytics)

## What the models said about Google Analytics 4

- "the main one to scrutinize is Google Analytics 4 (GA4), especially in privacy-regulated environments, because multiple sources flag GDPR, data-transfer, and consent issues" (Perplexity Sonar, negative prompt, hard negative)
- "Be cautious primarily with Google Analytics (GA4 and legacy versions), as it faces the most significant privacy, compliance, and reliability issues" (Grok 4.1 Fast, negative prompt, hard negative)
- "Google Analytics 4 (GA4) - Avoid if you need sub-user-level data exports for ML models, require HIPAA compliance, operate in China" (Llama 4 Maverick, negative prompt, hard negative)
- "The best web analytics platform for a company with a limited budget is Google Analytics 4, as it provides comprehensive tracking with predictive insights at zero cost." (Llama 4 Maverick, budget prompt, first choice)
- "The default, free industry standard... incredibly powerful and free, but it has a notoriously steep learning curve and a complex interface." (Gemini 3.5 Flash, comparative prompt, first choice)

## What the models said about Amplitude

- "Product analytics tools like Amplitude, Mixpanel, and Heap are better for funnels, retention, and feature adoption, but they are not ideal substitutes for traditional website analytics." (Perplexity Sonar, negative prompt, soft negative)
- "Amplitude: "Most sophisticated behavioral analysis for mature organizations with 500+ employees and dedicated analytics engineering resources"" (Kimi K2, scale prompt, first choice)

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.