Braintrust vs Evidently:Which is more popular?
In September 2026, Braintrust had more branded searches than Evidently among model monitoring platforms worldwide. Braintrust had about 2,900 branded searches, while Evidently had 2,400. Braintrust made up 1.4% of all model monitoring platform searches we track, and Evidently accounted for 1.2%. When we asked ChatGPT and Google AI Overviews about model monitoring platforms, Evidently appeared in all five answers and Braintrust in two. Braintrust and Evidently were each mentioned first in two of the four answers.
Who do people search for more?
Braintrust, about 21% more searches than Evidently
Who does AI mention more?
Evidently, mentioned in every answer we collected
Who does AI recommend more?
Each is named first in 2 of 4 answers.
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Top model monitoring platforms in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Evidently appeared in all five answers. Braintrust was mentioned in two out of five: in two of the three ChatGPT answers, but not in either of the two Google AI Overviews. Braintrust and Evidently were each listed first in two of the four answers.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
Arize1st
Langfuse2nd
LangSmith3rd- Evidently4th
Fiddler5th- Braintrust6th
Datadog LLM Observability7th- WhyLabs8th
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
Asked ChatGPT
“Which model monitoring platform should I use?”
Asked ChatGPT
“What are the best model monitoring platforms?”
Asked ChatGPT
“What's the best model monitoring platform for machine learning models?”
Searched Google, AI Overview
“model monitoring platforms”
Searched Google, AI Overview
“ml model monitoring”
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 Braintrust or Evidently more popular in search?
This chart shows how often people search Google for Braintrust and Evidently 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.
Share of searches by month for Braintrust, Evidently. The figures are in the table below the chart.
View monthly share of searches table
| Month | Langfuse | LangSmith | Arize | Braintrust | Evidently | Fiddler | Datadog LLM Observability | WhyLabs | NannyML |
|---|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 43.5% | 43.5% | 5.8% | 0.94% | 2.1% | 1.7% | 1.4% | 0.76% | 0.35% |
| Nov 2025 | 44.2% | 44.2% | 4.8% | 0.95% | 2.1% | 1.7% | 1.1% | 0.6% | 0.29% |
| Dec 2025 | 43.8% | 43.8% | 5.9% | 1.1% | 2.1% | 1.4% | 1.1% | 0.59% | 0.23% |
| Jan 2026 | 48.4% | 39.6% | 5.3% | 1.6% | 1.6% | 1.9% | 1% | 0.53% | 0.21% |
| Feb 2026 | 48.2% | 39.4% | 5.3% | 1.3% | 1.9% | 1.9% | 1.3% | 0.53% | 0.26% |
| Mar 2026 | 48.8% | 40.1% | 4.4% | 0.84% | 2% | 2% | 1.3% | 0.44% | 0.21% |
| Apr 2026 | 49.1% | 40.4% | 4.4% | 1.1% | 2% | 1.6% | 0.85% | 0.39% | 0.21% |
| May 2026 | 49% | 40.3% | 5.4% | 1.1% | 1.3% | 1.3% | 1.1% | 0.45% | 0.17% |
| Jun 2026 | 49.6% | 40.8% | 4.5% | 1.1% | 1.3% | 1.1% | 1.1% | 0.4% | 0.18% |
| Jul 2026 | 49.7% | 40.9% | 4.5% | 1.1% | 1.3% | 1.3% | 0.59% | 0.45% | 0.18% |
| Aug 2026 | 52.7% | 35.5% | 7.1% | 1.4% | 1.2% | 1.2% | 0.48% | 0.35% | 0.15% |
| Sep 2026 | 53.5% | 36% | 5.9% | 1.4% | 1.2% | 1.2% | 0.43% | 0.23% | 0.16% |
How has the Braintrust and Evidently comparison changed over the last 12 months?
3 findings
- The lead changed hands once in the 12 months ending September 2026: Braintrust took it in August 2026.
- Across the 12 months ending September 2026, Braintrust’s share of searches among model monitoring platforms worldwide moved from 0.94% to 1.4%, and its estimated monthly branded searches moved from 1.6K to 2.9K.
- Across the 12 months ending September 2026, Evidently’s share of searches among model monitoring platforms worldwide moved from 2.1% to 1.2%, and its estimated monthly branded searches moved from 3.6K to 2.4K.
How did search popularity change for model monitoring platforms worldwide in September 2026?
2 changes
Estimated monthly branded searches for Braintrust worldwide rose 81.3% over 12 measured months, from 1.6K to 2.9K in September 2026.
Estimated monthly branded searches for Evidently worldwide fell 33.3% over 12 measured months, from 3.6K to 2.4K in September 2026.
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using Braintrust’s and Evidently’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.
Braintrust
1 branded search term
- braintrust ai
Evidently
1 branded search term
- evidently ai
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