Langfuse vs WhyLabs:Which is searched more?
In September 2026, Langfuse had more branded searches than WhyLabs among model monitoring platforms worldwide. Langfuse had about 110,000 branded searches, while WhyLabs had 480. Langfuse made up 53.5% of all model monitoring platform searches we track, and WhyLabs accounted for 0.23%. These are worldwide searches for English-language branded terms.
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Is Langfuse or WhyLabs more popular in search?
Compare the tools that watch machine learning models in production. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time.
Share of searches by month for Langfuse, 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 Langfuse and WhyLabs comparison changed over the last 12 months?
3 findings
- Langfuse was ahead of WhyLabs in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Langfuse’s share of searches among model monitoring platforms worldwide moved from 43.5% to 53.5%, and its estimated monthly branded searches moved from 74K to 110K.
- 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, Langfuse gained share of searches among model monitoring platforms worldwide, from 52.7% to 53.5%.
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 Langfuse’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.
Other head-to-heads among model monitoring platforms
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