# Amplitude vs PostHog: which do AI models recommend for web analytics, October 2026

GTM AI Recommendation Index, October 2026 Edition, Web analytics. Zero of fourteen models named Amplitude first on the direct prompt; one named PostHog. Page: https://gtm-ai-index.com/gtm-data/web-analytics/amplitude-vs-posthog/

| | First-choice share | Rank | Negative rate | Labels | Models naming it |
|---|---|---|---|---|---|
| Amplitude | 8% | #2 of 14 | 6% | 35 | 14 of 14 |
| PostHog | 2% | #8 of 14 | 6% | 18 | 11 of 14 |

## The direct prompt, model by model

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

## 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.