---
title: "Braintrust vs Langfuse: Which is more popular by branded search?"
description: "Which is more popular in search, Braintrust or Langfuse? Compare estimated monthly branded-search demand and Share of Search inside the LLM observability platforms set worldwide. 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."
canonical: "https://gobrandwave.com/demand/global-en/compare/braintrust-vs-langfuse"
publisher: "Brandwave"
---

# Braintrust vs Langfuse: Which is more popular by branded search?

Which is more popular in search, Braintrust or Langfuse? Compare estimated monthly branded-search demand and Share of Search inside the LLM observability platforms set worldwide. 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.

## Key facts

- **Compared**: Braintrust and Langfuse
- **Competitive set**: LLM observability platforms
- **Market**: Global
- **Month measured**: Aug 2026
- **Braintrust Share of Search**: 1.2%
- **Langfuse Share of Search**: 45.3%

## Which is more popular in search, Braintrust or Langfuse?

- In August 2026, Langfuse had more branded searches than Braintrust among LLM observability platforms worldwide. Langfuse was estimated to have 110K branded searches compared to Braintrust’s 2.9K, and held a 45.3% Share of Search versus Braintrust’s 1.2%.
- Langfuse was ahead of Braintrust in every measured month of the 11 months ending August 2026.
- Across the 11 months ending August 2026, Braintrust’s estimated Share of Search among LLM observability platforms worldwide moved from 0.68% to 1.2%, and its estimated monthly branded searches moved from 1.6K to 2.9K.
- Across the 11 months ending August 2026, Langfuse’s estimated Share of Search among LLM observability platforms worldwide moved from 31.7% to 45.3%, and its estimated monthly branded searches moved from 74K to 110K.

## How did search popularity change for LLM observability platforms worldwide in August 2026?

- In August 2026, Langfuse gained estimated Share of Search among LLM observability platforms worldwide, from 42.2% to 45.3%.
- Estimated monthly branded searches for Braintrust worldwide rose 81.3% over 11 measured months, from 1.6K to 2.9K in August 2026.

## Month by month

| Month | Braintrust estimated searches | Braintrust Share of Search | Braintrust rank | Langfuse estimated searches | Langfuse Share of Search | Langfuse rank |
| --- | --- | --- | --- | --- | --- | --- |
| Oct 2025 | 1.6K | 0.68% | 5 | 74K | 31.7% | 2 |
| Nov 2025 | 1.6K | 0.68% | 5 | 74K | 31.7% | 2 |
| Dec 2025 | 1.9K | 0.82% | 5 | 74K | 31.9% | 2 |
| Jan 2026 | 2.9K | 1.2% | 5 | 90.5K | 36.1% | 1 |
| Feb 2026 | 2.4K | 1% | 5 | 90.5K | 37.8% | 1 |
| Mar 2026 | 1.9K | 0.65% | 5 | 110K | 37.8% | 1 |
| Apr 2026 | 2.4K | 0.79% | 5 | 110K | 36.1% | 1 |
| May 2026 | 2.4K | 0.84% | 5 | 110K | 38.4% | 1 |
| Jun 2026 | 2.4K | 0.88% | 5 | 110K | 40.2% | 1 |
| Jul 2026 | 2.4K | 0.92% | 5 | 110K | 42.2% | 1 |
| Aug 2026 | 2.9K | 1.2% | 5 | 110K | 45.3% | 1 |
| Sep 2026 | — | — | — | — | — | — |

## How each brand is measured

Brandwave collects information about searches that people make online using Braintrust’s and Langfuse’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**: Measured on the search term “braintrust ai”.
- **Langfuse**: Measured on the search term “langfuse”.

- [Braintrust profile](/demand/global-en/brands/braintrust)
- [Langfuse profile](/demand/global-en/brands/langfuse)
- [All LLM observability platforms worldwide](/demand/global-en/categories/llm-observability-platforms): The set both shares are measured inside, 5 brands.

## Methodology

- [How is branded search demand measured?](/demand/methodology): Where the figures come from, what they compare, and how they may be reused.

## Frequently asked questions

### Which is more popular in search, Braintrust or Langfuse?

In August 2026, Langfuse had more branded searches than Braintrust among LLM observability platforms worldwide. Langfuse was estimated to have 110K branded searches compared to Braintrust’s 2.9K, and held a 45.3% Share of Search versus Braintrust’s 1.2%.

## Cite this page

Brandwave. "Braintrust vs Langfuse: Which is more popular by branded search?". https://gobrandwave.com/demand/global-en/compare/braintrust-vs-langfuse

This page is also available as HTML at https://gobrandwave.com/demand/global-en/compare/braintrust-vs-langfuse. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.