Brandwave

Arize vs Datadog LLM Observability:Which is more popular?

In September 2026, Arize had more branded searches than Datadog LLM Observability among model monitoring platforms worldwide. Arize had about 12,100 branded searches, while Datadog LLM Observability had 880. Arize made up 5.9% of all model monitoring platform searches we track, and Datadog LLM Observability accounted for 0.43%. When we asked ChatGPT and Google AI Overviews about model monitoring platforms, Arize appeared in all five answers and Datadog LLM Observability in two. Arize was mentioned before Datadog LLM Observability in every answer.

Among model monitoring platforms worldwide in September 2026

Who do people search for more?

Arize, about 14 searches for every 1 for Datadog LLM Observability

Arize 12.1K searchesDatadog LLM Observability 880 searches

Who does AI mention more?

Arize, mentioned in every answer we collected

Arize in 5 of 5Datadog LLM Observability in 2 of 5

Who does AI recommend more?

Arize, named ahead of Datadog LLM Observability in every answer

Arize first in 4Datadog LLM Observability never first

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Top model monitoring platforms in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, Arize appeared in all five answers. Datadog LLM Observability was mentioned in two out of five: in two of the three ChatGPT answers, but not in either of the two Google AI Overviews. Arize was listed before Datadog LLM Observability in every answer.

Most recommended by AI

Brands get a higher ranking if they are mentioned earlier in the answers.

  1. Arize1st
  2. Langfuse2nd
  3. LangSmith3rd
  4. Evidently4th
  5. Fiddler5th
  6. Braintrust6th
  7. Datadog LLM Observability7th
  8. WhyLabs8th
  9. NannyML–

Mentioned by AI

Each dot is one answer, filled in when that answer mentions the brand.

  • Arize5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Evidently5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Fiddler4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Langfuse2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • LangSmith2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Braintrust2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Datadog LLM Observability2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • WhyLabs2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • NannyML0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers

See every answer about model monitoring platforms

5 answers

Not named in any answer:

Brands are shown in the order each answer named them. The survey took place in the United States on October 21, 2026.

Is Arize or Datadog LLM Observability more popular in search?

This chart shows how often people search Google for Arize and Datadog LLM Observability by name. Each line represents a brand's share of searches for all nine model monitoring platforms we track, month by month, from English-language searches worldwide.

Arize and Datadog LLM Observability among model monitoring platforms worldwide, by month

Share of searches by month for Arize, Datadog LLM Observability. The figures are in the table below the chart.

View monthly share of searches table
MonthLangfuseLangSmithArizeBraintrustEvidentlyFiddlerDatadog LLM ObservabilityWhyLabsNannyML
Oct 202543.5%43.5%5.8%0.94%2.1%1.7%1.4%0.76%0.35%
Nov 202544.2%44.2%4.8%0.95%2.1%1.7%1.1%0.6%0.29%
Dec 202543.8%43.8%5.9%1.1%2.1%1.4%1.1%0.59%0.23%
Jan 202648.4%39.6%5.3%1.6%1.6%1.9%1%0.53%0.21%
Feb 202648.2%39.4%5.3%1.3%1.9%1.9%1.3%0.53%0.26%
Mar 202648.8%40.1%4.4%0.84%2%2%1.3%0.44%0.21%
Apr 202649.1%40.4%4.4%1.1%2%1.6%0.85%0.39%0.21%
May 202649%40.3%5.4%1.1%1.3%1.3%1.1%0.45%0.17%
Jun 202649.6%40.8%4.5%1.1%1.3%1.1%1.1%0.4%0.18%
Jul 202649.7%40.9%4.5%1.1%1.3%1.3%0.59%0.45%0.18%
Aug 202652.7%35.5%7.1%1.4%1.2%1.2%0.48%0.35%0.15%
Sep 202653.5%36%5.9%1.4%1.2%1.2%0.43%0.23%0.16%

How has the Arize and Datadog LLM Observability comparison changed over the last 12 months?

3 findings

How did search popularity change for model monitoring platforms worldwide in September 2026?

2 changes
  1. In September 2026, Arize lost share of searches among model monitoring platforms worldwide, from 7.1% to 5.9%.

  2. Datadog LLM Observability’s share of searches among model monitoring platforms worldwide has lost ground for 3 months in a row, from 1.1% to 0.43% in September 2026.

How are branded searches counted?

2 search terms

Brandwave collects information about searches that people make online using Arize’s and Datadog LLM Observability’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.

Arize

1 branded search term

  • arize

Datadog LLM Observability

1 branded search term

  • datadog llm observability

How the Brand Demand Index is measured

Other head-to-heads among model monitoring platforms

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