--- title: "LangSmith vs Weights & Biases: Which is more popular by branded search?" description: "Which is more popular in search, LangSmith or Weights & Biases? 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/langsmith-vs-weights-biases" publisher: "Brandwave" --- # LangSmith vs Weights & Biases: Which is more popular by branded search? Which is more popular in search, LangSmith or Weights & Biases? 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**: LangSmith and Weights & Biases - **Competitive set**: LLM observability platforms - **Market**: Global - **Month measured**: Aug 2026 - **LangSmith Share of Search**: 30.5% - **Weights & Biases Share of Search**: 20.8% ## Which is more popular in search, LangSmith or Weights & Biases? - In August 2026, LangSmith had more branded searches than Weights & Biases among LLM observability platforms worldwide. LangSmith was estimated to have 74K branded searches compared to Weights & Biases’ 50.4K, and held a 30.5% Share of Search versus Weights & Biases’ 20.8%. - The lead changed hands 3 times in the 11 months ending August 2026: LangSmith took it in February 2026, Weights & Biases took it in April 2026, LangSmith took it in May 2026. - Across the 11 months ending August 2026, LangSmith’s estimated Share of Search among LLM observability platforms worldwide moved from 31.7% to 30.5%, and its estimated monthly branded searches held steady at 74K. - Across the 11 months ending August 2026, Weights & Biases’ estimated Share of Search among LLM observability platforms worldwide moved from 33.6% to 20.8%, and its estimated monthly branded searches moved from 78.6K to 50.4K. ## How did search popularity change for LLM observability platforms worldwide in August 2026? - In August 2026, Weights & Biases gained estimated Share of Search among LLM observability platforms worldwide, from 20.2% to 20.8%. - In August 2026, LangSmith lost estimated Share of Search among LLM observability platforms worldwide, from 34.7% to 30.5%. ## Month by month | Month | LangSmith estimated searches | LangSmith Share of Search | LangSmith rank | Weights & Biases estimated searches | Weights & Biases Share of Search | Weights & Biases rank | | --- | --- | --- | --- | --- | --- | --- | | Oct 2025 | 74K | 31.7% | 3 | 78.6K | 33.6% | 1 | | Nov 2025 | 74K | 31.7% | 3 | 78.6K | 33.6% | 1 | | Dec 2025 | 74K | 31.9% | 3 | 75.3K | 32.5% | 1 | | Jan 2026 | 74K | 29.5% | 3 | 75.3K | 30% | 2 | | Feb 2026 | 74K | 30.9% | 2 | 64.3K | 26.9% | 3 | | Mar 2026 | 90.5K | 31.1% | 2 | 78.6K | 27% | 3 | | Apr 2026 | 90.5K | 29.7% | 3 | 92.1K | 30.2% | 2 | | May 2026 | 90.5K | 31.6% | 2 | 75.3K | 26.3% | 3 | | Jun 2026 | 90.5K | 33.1% | 2 | 64.3K | 23.5% | 3 | | Jul 2026 | 90.5K | 34.7% | 2 | 52.6K | 20.2% | 3 | | Aug 2026 | 74K | 30.5% | 2 | 50.4K | 20.8% | 3 | | Sep 2026 | — | — | — | — | — | — | ## How each brand is measured Brandwave collects information about searches that people make online using LangSmith’s and Weights & Biases’ 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. - **LangSmith**: Measured on the search term “langsmith”. - **Weights & Biases**: Measured on the search terms “wandb” and “weights and biases”, summed into one figure. - [LangSmith profile](/demand/global-en/brands/langsmith) - [Weights & Biases profile](/demand/global-en/brands/weights-biases) - [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, LangSmith or Weights & Biases? In August 2026, LangSmith had more branded searches than Weights & Biases among LLM observability platforms worldwide. LangSmith was estimated to have 74K branded searches compared to Weights & Biases’ 50.4K, and held a 30.5% Share of Search versus Weights & Biases’ 20.8%. ## Cite this page Brandwave. "LangSmith vs Weights & Biases: Which is more popular by branded search?". https://gobrandwave.com/demand/global-en/compare/langsmith-vs-weights-biases This page is also available as HTML at https://gobrandwave.com/demand/global-en/compare/langsmith-vs-weights-biases. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.