Amplitude vs PostHog
Zero of fourteen models named Amplitude first on the direct prompt; one named PostHog. Amplitude was named by fourteen of the fourteen models and PostHog by eleven and Amplitude carries 35 labels and PostHog 18, so the shares are not directly comparable.
United States. Named in nine categories this edition.
Named in seven categories this edition.
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 web analytics page.
By framing
AmplitudeFirst choices, of fourteen modelsPostHog
Across every category in the October 2026 Edition, Amplitude and PostHog were named in the same answer seventy-seven times, of the 287 answers naming Amplitude and the 386 naming PostHog. In those answers PostHog took the first choice sixteen times and Amplitude eleven.
Every model, every framing
| Model | Direct | Paraphrase | Comparative | Budget-constrained | Scale-constrained | Negative |
|---|---|---|---|---|---|---|
| Claude Haiku 4.5 | | |||||
| GPT-5.4 mini | | | ||||
| Gemini 3.5 Flash | | | | |||
| Perplexity Sonar | | | ||||
| Grok 4.1 Fast | | | ||||
| 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
PostHog first, Amplitude an alternative
1 of 14 modelsAmplitude was named in the answer but not as the choice, or not at all.Neither was the first choice, one was named
7 of 14 modelsThe answer put something else first and named one of the two as an alternative.Neither was named
6 of 14 modelsThe answer made no first choice from these two in this category.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
Amplitude8%#2 of 14PostHog2%#8 of 14Amplitude0%#7 of 11PostHog0%#– of 11What the models said about Amplitude
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Two of two in this category shown.
“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
What the models said about PostHog
No label in this category carried a quote.
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.