GTM AI Index

Index › Vendors › Server-Side GTM · September 2026 Edition

1 category · Named, not ranked

Server-Side GTM

5Judge labels

1First choices

2Negative labels

4 of 12Models named it

1Category

September 2026 Edition. Every number here is derived from the raw labels under vendor table v2026-09-16.3, every buyer segment counted.

Standing

3 labels, too few to rank

A product needs 10 labels in a category before a share or quadrant is stated. Server-Side GTM was named 3 times in Tag management, where Google Tag Manager led with 77%. The labels and the evidence are below, counted exactly.

By buyer segmentRead the same way at every buyer size.

Small business33 of 47

under the label threshold

Mid-market6 of 59

under the label threshold

Enterprise40 of 47

under the label threshold

In tag management · each standing computed within its segment · bars are 0 to 100 · the accent bar is the product's own best reading

Standing by category

Every category where a model named Server-Side GTM for a mid-market B2B company. Share is first choices across the direct, paraphrase, budget and scale prompts; rank is within every product named in that category.

Category	Function	Share	Rank	Negative rate	Labels	Quadrant
Tag management	GTM data and infrastructure	2%	6 of 59	0%	3	under 10 labels · led by Google Tag Manager at 77%

Movement

This is the first edition on this tier, so no move can be computed for Server-Side GTM yet. The next is due October 1, 2026. From the next edition this section shows, per buyer segment, whether its share moved by more than the measured noise floor.

By model

How each model treated Server-Side GTM across every prompt where it was named for a mid-market B2B company. Twelve models, six prompts per category.

Model	First choice	Alternative	Labels
Claude Haiku 4.5	0	0	0
GPT-5.4 mini	0	0	0
Gemini 3.5 Flash	1	0	1
Perplexity Sonar	0	0	0
Grok 4.1 Fast	0	0	0
Mistral Small	0	1	1
DeepSeek V4 Flash	0	0	0
Llama 4 Maverick	0	0	0
Qwen 3.7 Flash	0	0	0
Kimi K2	0	1	1
GLM 4.7 FlashX	0	0	0
MiniMax M2.5	0	0	0

By framing

Which of the six questions produced the naming. By model says how often; this says asked what. The first-choice count on the right carries the marks of the models that produced it.

FramingLabels by classFirst choices

Direct0 labelsNone

Paraphrase1 label1

Comparative0 labelsNone

Budget-constrained0 labelsNone

Scale-constrained0 labelsNone

Negative4 labelsNone

First choiceAlternativeMentionNegative5 labels in all, every segment counted; 1 of the 1 first choices count toward share, since the comparative and negative framings do not. The bar is one segment per label class, to scale within the framing.

What the models said for it

Verbatim evidence the judge attached to positive labels.

“Best Overall (The Gold Standard)” Gemini 3.5 Flash · Tag management · paraphrase prompt · first choice

“Safer Alternatives to Consider ... Moves execution off user browsers to controlled infrastructure” Kimi K2 · Tag management · negative prompt · alternative

“Server-side GTM (with Cloudflare/Akamai hosting)” Mistral Small · Tag management · negative prompt · alternative

And against it

Verbatim evidence attached to negative labels. A warning on a product with few labels is a warning; on a product with many, it is one voice among them.

No model argued against it.

Named alongside

The products named in the same answers as Server-Side GTM, over the 5 answers that named it. Took the first choice instead counts the answers where the other product was the first choice and Server-Side GTM was named but was not.

ProductSame answerTook the first choice insteadHead to head

Google Tag Manager5 of 51Not in the top three

Adobe Experience Platform Tags4 of 50Not in the top three

Segment3 of 50Not in the top three

Tealium iQ3 of 50Not in the top three

Matomo Tag Manager2 of 51Not in the top three

Piwik PRO2 of 50Not in the top three

Tealium2 of 50Not in the top three

Snowplow1 of 51Not in the top three

Adobe Dynamic Tag Management1 of 50Not in the top three

Adobe Real-Time CDP1 of 50Not in the top three

A head-to-head page exists where both products are in a category's top three. The other rows are the same fact without a page behind them, so they link to the product instead.

Names read as Server-Side GTM

What the judge wrote, as written, with how often. The vendor table decides that these count as Server-Side GTM; a claim can dispute any of them.

Server-side GTM 2Google Tag Manager (GTM) + Server-Side GTM 1

Is this your product?

Claim this page

Claiming is free and changes nothing in the data. A claimed page shows a verified contact who is told when each edition publishes and when Server-Side GTM's standing changes by more than the noise floor; the right to propose corrections to the vendor table, meaning names the judge wrote that should or should not read as Server-Side GTM, applied by version and listed in the change log; and a one-line description supplied by the vendor and marked as such.

It does not get any change to labels, shares or verdicts, any preview, or any say over which quotes appear. A verification link goes to your work email; an address at serverside.com is approved on the spot, any other address is reviewed by hand.

Your name and company appear on the claimed page, or the company alone if you ask below. A title and a LinkedIn address appear there too if you give them, and are left off if you do not. Your email address is never published.