LangSmith vs WhyLabs:Which is more popular?
In September 2026, LangSmith had more branded searches than WhyLabs among model monitoring platforms worldwide. LangSmith had about 74,000 branded searches, while WhyLabs had 480. LangSmith made up 36% of all model monitoring platform searches we track, and WhyLabs accounted for 0.23%. When we asked ChatGPT and Google AI Overviews about model monitoring platforms, LangSmith and WhyLabs each appeared in two of the five answers. LangSmith was mentioned before WhyLabs in two out of three answers that named either.
Who do people search for more?
LangSmith, about 154 searches for every 1 for WhyLabs
Who does AI mention more?
Both were mentioned in 2 of 5 answers.
Who does AI recommend more?
LangSmith, named ahead of WhyLabs in 2 of 3 answers
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Top model monitoring platforms in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, LangSmith was mentioned in two out of five: in two of the three ChatGPT answers, but not in either of the two Google AI Overviews. WhyLabs was mentioned in two out of five: in one of the three ChatGPT answers and in one of the two Google AI Overviews. LangSmith was listed before WhyLabs in two out of three answers that named either.
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 LangSmith or WhyLabs more popular in search?
This chart shows how often people search Google for LangSmith and WhyLabs 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 LangSmith, WhyLabs. 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 LangSmith and WhyLabs comparison changed over the last 12 months?
3 findings
- LangSmith was ahead of WhyLabs in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, LangSmith’s share of searches among model monitoring platforms worldwide moved from 43.5% to 36%, and its estimated monthly branded searches held steady at 74K.
- Across the 12 months ending September 2026, WhyLabs’ share of searches among model monitoring platforms worldwide moved from 0.76% to 0.23%, and its estimated monthly branded searches moved from 1.3K to 480.
How did search popularity change for model monitoring platforms worldwide in September 2026?
2 changes
In September 2026, LangSmith gained share of searches among model monitoring platforms worldwide, from 35.5% to 36%.
Estimated monthly branded searches for WhyLabs worldwide fell 63.1% over 12 measured months, from 1.3K to 480 in September 2026.
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using LangSmith’s and WhyLabs’ 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.
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