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Customer intelligence and data science · November 2026 Edition

Amplitude vs PostHog

Two of fourteen models named Amplitude first on the direct prompt; zero named PostHog. Amplitude was named by fourteen of the fourteen models and PostHog by six and Amplitude carries 56 labels and PostHog 11, so the shares are not directly comparable.

Amplitude

accepted challenger

United States. Named in ten categories this edition.

PostHog

accepted challenger

Named in nine categories this edition.

First-choice share10%5%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate18%18%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#2#7A position in a field of 16; printed, not drawn.
Labels5611A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Amplitude reading right to left. Rank and label count are printed, not drawn.Mixpanel vs Amplitude · Mixpanel vs PostHog · Amplitude vs Google Analytics 4

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; every quote names the model and the prompt it came from. Both figures come from the customer intelligence and data science page.

By framing

How many of the fourteen models made each the first choice, per way of asking, and how many argued against it.
AmplitudeFirst choices, of fourteen modelsPostHog
Direct20
Paraphrase20
Comparative60
Budget-constrained231 against Amplitude
Scale-constrained00
Negative009 against Amplitude · 2 against PostHog
Bars are first choices, 0 to 14 each sideModels that argued againstA model can name both, so the two sides of a row do not sum to fourteen.

Across every category in the November 2026 Edition, Amplitude and PostHog were named in the same answer 260 times, of the 503 answers naming Amplitude and the 486 naming PostHog. In those answers PostHog took the first choice seventy-two times and Amplitude sixty.

Every model, every framing

The eighty-four answers behind the chart above, one cell each: where Amplitude and PostHog stood in it.
ModelDirectParaphraseComparativeBudget-constrainedScale-constrainedNegative
Claude Haiku 4.5
GPT-5.4 mini
Gemini 3.5 Flash
Perplexity Sonar
Grok 4.20
Mistral Small
DeepSeek V4 Flash
Llama 4 Maverick
Qwen 3.7 Flash
Kimi K2
GLM 4.7 FlashX
MiniMax M2.5
GPT-6 Luna
Muse Glimmer 30B
Amplitude PostHog first choice named as an alternative argued againstblank: not namedEach cell is one answer, Amplitude on the left and PostHog on the right.

The direct prompt

The plain question, one answer per model, grouped by where Amplitude and PostHog stood in it.

Amplitude first, PostHog not the choice

2 of 14 modelsPostHog was named in the answer but not as the choice, or not at all.
Gemini 3.5 FlashAmplitude, Mixpanel alternatives: 6sense, BigQuery, Census, ChurnZero, Gong, Hightouch, Snowflake
DeepSeek V4 FlashAmplitude alternatives: Gainsight CS, HockeyStack, Mixpanel, Pendo, Vitally

Neither was the first choice, one was named

4 of 14 modelsThe answer put something else first and named one of the two as an alternative.
GPT-5.4 miniSegment alternatives: Amplitude, Winxtra
Perplexity SonarGainsight CS alternatives: Amplitude, HubSpot CRM, Salesforce Customer 360, Vitally
Grok 4.20HubSpot CRM alternatives: Amplitude, Gong, Mixpanel
Kimi K2ChurnZero, Segment alternatives: Amplitude, HockeyStack, HubSpot Marketing Hub, Mixpanel, Vitally

Neither was named

8 of 14 modelsThe answer made no first choice from these two in this category.
Claude Haiku 4.5HubSpot CRM alternatives: BlueConic, Salesforce Data Cloud, Segment, ZoomInfo
Mistral SmallGainsight CS, Totango alternatives: HubSpot Marketing Analytics, Salesforce CRM Analytics, Velaris
Llama 4 Maverickno first choice
Qwen 3.7 FlashTotango alternatives: Gainsight CS, Mitzu, Pendo, Salesforce CRM Analytics, Tableau, Velaris
GLM 4.7 FlashXSegment alternatives: Common Room, HockeyStack, HubSpot Marketing Hub
MiniMax M2.5HubSpot Breeze Intelligence alternatives: Apollo.io, G2 Buyer Intent, HubSpot CRM, Tableau, ZoomInfo
GPT-6 LunaVitally alternatives: ChurnZero, Gainsight CS
Muse Glimmer 30BAmplemarket, HubSpot Service Hub alternatives: Apollo.io, Gainsight CS, HockeyStack, Segment, Totango

Bold names in an answer are the products the judge labeled a first choice; a model naming several gives each of them that label. The full answer text for every row is in the record.

By buyer segment

The same question asked on behalf of a different buyer. Each standing is computed within its segment and they are never added together. The figures above are the mid-market standing, which is the one the category orders by.
Small business
PostHog leads by eight points.
PostHog12%#5 of 13
Amplitude4%#7 of 13
The full small business standing →
Mid-marketThe figures above
The order flips: Amplitude leads at mid-market.
Amplitude10%#2 of 16
PostHog5%#7 of 16
The full mid-market standing →
Enterprise
Amplitude leads by six points.
Amplitude6%#3 of 15
PostHog0%#– of 15
The full enterprise standing →

What the models said about Amplitude

Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Four of four in this category shown.

“This is perhaps the most heavily flagged platform in recent reviews... Amplitude is currently facing a class-action lawsuit” DeepSeek V4 Flash · negative prompt · hard negative
“Avoid or be cautious about Mixpanel, Amplitude, Segment, Adobe Analytics, Google Analytics 4, and Gainsight” Mistral Small · negative prompt · hard negative
“Avoid platforms with a history of security incidents (Mixpanel, Amplitude, Adobe, Metabase)” GLM 4.7 FlashX · negative prompt · hard negative
“Amplitude - AI-powered product analytics built for product-led SaaS teams tracking feature usage and running A/B tests.” Muse Glimmer 30B · comparative prompt · first choice

What the models said about PostHog

Every negative label with a quote, up to three, then the highest-weighted positives, up to three. One of one in this category shown.

“Data trustworthiness is a frequent issue... Pricing escalates with usage, outages disrupt analytics” Grok 4.20 · negative prompt · soft negative
Also compared

Comparisons are drawn for the top eight products in each category, each against each. The output is the models' output; nothing here is a recommendation by the index.