# Product analytics for small business buyers: what AI models recommend, September 2026

GTM AI Recommendation Index, September 2026 Edition. Asked as "product analytics platform" and as "product analytics tool", six framings each, to twelve models with search on, on behalf of a small B2B company. Page: https://gtm-ai-index.com/gtm-data/product-analytics/smb/

**Standing:** PostHog leads with 43% of first choices; verdict clear leader. 53 first choices across the direct, paraphrase, budget and scale prompts.

## First-choice share

| # | Product | Share | Negative rate | Labels |
|---|---|---|---|---|
| 1 | PostHog | 43% | 0% | 59 |
| 2 | Mixpanel | 34% | 14% | 64 |
| 3 | Amplitude | 8% | 21% | 58 |
| 4 | Pendo | 6% | 30% | 44 |
| 5 | Google Analytics 4 | 4% | 17% | 29 |
| 6 | Heap | 4% | 38% | 45 |
| 7 | Hotjar | 0% | 0% | 15 |
| 8 | Fullstory | 0% | 50% | 16 |

## Each model's first choice on the direct prompt

- Claude Haiku 4.5: Mixpanel; alternatives Gainsight PX, Heap, Pendo
- GPT-5.4 mini: Mixpanel, PostHog
- Gemini 3.5 Flash: PostHog; alternatives Amplitude, Mixpanel, Pendo
- Perplexity Sonar: Mixpanel; alternatives Gainsight PX, Pendo, PostHog
- Grok 4.1 Fast: PostHog; alternatives Amplitude, Mixpanel
- Mistral Small: Mixpanel, PostHog; alternatives Amplitude, Hotjar, Pendo
- DeepSeek V4 Flash: PostHog; alternatives Amplitude, Mixpanel
- Llama 4 Maverick: Google Analytics 4
- Qwen 3.7 Flash: Mixpanel, PostHog; alternatives Pendo
- Kimi K2: Mixpanel, PostHog; alternatives Amplitude, Pendo
- GLM 4.7 FlashX: Amplitude, Mixpanel; alternatives Heap, Pendo, PostHog
- MiniMax M2.5: Mixpanel; alternatives Amplitude, Heap, Hotjar, June

## Sources the answers cite

18 of 72 answers came back with a source list, from 4 of 12 models. Sites named in the most answers:

- amplitude.com: 11 answers, 15 citations
- visionlabs.com: 8 answers, 8 citations
- learn.g2.com: 7 answers, 9 citations
- gainsight.com: 7 answers, 7 citations
- pendo.io: 7 answers, 7 citations
- userpilot.com: 7 answers, 7 citations
- toolradar.com: 5 answers, 7 citations
- contentsquare.com: 5 answers, 5 citations

Pages named in the most answers:

- https://amplitude.com/compare/best-product-analytics-tools (9 answers)
- https://visionlabs.com/blog/best-product-analytics-tools (8 answers)
- https://gainsight.com/essential-guide/product-management-metrics/product-analytics-tools (7 answers)
- https://learn.g2.com/best-product-analytics-software (7 answers)
- https://pendo.io/pendo-blog/top-10-product-analytics-tools (7 answers)
- https://userpilot.com/blog/product-analytics-tools (7 answers)
- https://linkedin.com/pulse/best-product-analytics-tools-rajesh-kumar-nrqec (5 answers)
- https://cleverx.com/blog/product-analytics-tools-12-best-options-compared (4 answers)
- https://contentsquare.com/guides/product-analytics/tools (4 answers)
- https://productschool.com/blog/analytics/product-analytics-tools (4 answers)

## Warned against

- Heap: 17 of 45 labels negative. "Platforms to Avoid (Unsuitable for most small businesses):- Heap: Starts at ~$3,600-$24,000/year after a restrictive free tier" (Grok 4.1 Fast, negative prompt)
- Amplitude: 12 of 58 labels negative. "Why avoid: Starting price of $995/month makes it prohibitively expensive for small businesses" (Mistral Small, negative prompt)
- Pendo: 13 of 44 labels negative. ""Very expensive, exceeds budget," "inflexible for small customer bases," data inaccuracies, steep setup." (Grok 4.1 Fast, negative prompt)
- Mixpanel: 9 of 64 labels negative. "Avoid for a tight budget unless you already need them - Mixpanel and Heap can be good tools, but their pricing is more usage-/sales-driven" (GPT-5.4 mini, budget prompt)

## 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, September 2026 Edition, gtm-ai-index.com.