--- title: "Arize Phoenix vs LangSmith: Which is searched more?" description: "Is Arize Phoenix or LangSmith more popular in search? 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/arize-phoenix-vs-langsmith" publisher: "Brandwave" --- # Arize Phoenix vs LangSmith: Which is searched more? Is Arize Phoenix or LangSmith more popular in search? 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**: Arize Phoenix and LangSmith - **Competitive set**: LLM observability platforms - **Market**: Global - **Month measured**: Sep 2026 - **Arize Phoenix Share of Search**: 5.1% - **LangSmith Share of Search**: 28.4% ## Is Arize Phoenix or LangSmith more popular in search? - In September 2026, LangSmith had more branded searches than Arize Phoenix among LLM observability platforms worldwide. LangSmith had about 74,000 branded searches, while Arize Phoenix had 13,200. LangSmith made up 28.4% of all LLM observability platform searches we track, and Arize Phoenix accounted for 5.1%. - LangSmith was ahead of Arize Phoenix in every measured month of the 12 months ending September 2026. - Across the 12 months ending September 2026, Arize Phoenix’s share of searches among LLM observability platforms worldwide moved from 4.4% to 5.1%, and its estimated monthly branded searches moved from 11K to 13.2K. - Across the 12 months ending September 2026, LangSmith’s share of searches among LLM observability platforms worldwide moved from 29.3% to 28.4%, and its estimated monthly branded searches held steady at 74K. ## Top LLM observability platforms in ChatGPT and Google AI Overviews In three ChatGPT questions and two Google AI Overviews, both Arize Phoenix and LangSmith showed up in all five answers. LangSmith was listed before Arize Phoenix in every answer. Brands get a higher AI rank if they are mentioned earlier in the answers that list options. | Brand | AI rank | ChatGPT answers that named it | Google AI Overviews that named it | All answers that named it | | --- | --- | --- | --- | --- | | Langfuse | 1st | 3 of 3 | 2 of 2 | 5 of 5 | | LangSmith | 2nd | 3 of 3 | 2 of 2 | 5 of 5 | | Arize Phoenix | 3rd | 3 of 3 | 2 of 2 | 5 of 5 | | Braintrust | 4th | 3 of 3 | 0 of 2 | 3 of 5 | | Datadog LLM Observability | 5th | 3 of 3 | 2 of 2 | 5 of 5 | | Helicone | 6th | 0 of 3 | 2 of 2 | 2 of 5 | | Lunary | 7th | 0 of 3 | 2 of 2 | 2 of 5 | | Weights & Biases | 8th | 1 of 3 | 0 of 2 | 1 of 5 | ## Every AI answer about LLM observability platforms - Asked ChatGPT "Which LLM observability platform should I use?": 1. Langfuse, 2. LangSmith, 3. Braintrust, 4. Arize Phoenix, 5. Datadog LLM Observability - Asked ChatGPT "What are the best LLM observability platforms?": 1. Langfuse, 2. LangSmith, 3. Braintrust, 4. Arize Phoenix, 5. Datadog LLM Observability, 6. Weights & Biases - Asked ChatGPT "What's the best LLM observability platform for a machine learning team?": 1. Langfuse, 2. Braintrust, 3. LangSmith, 4. Arize Phoenix, 5. Datadog LLM Observability - Searched Google, AI Overview "llm observability platforms": 1. LangSmith, 2. Langfuse, 3. Arize Phoenix, 4. Helicone, 5. Datadog LLM Observability, 6. Lunary - Searched Google, AI Overview "llm monitoring tools": 1. LangSmith, 2. Langfuse, 3. Datadog LLM Observability, 4. Helicone, 5. Arize Phoenix, 6. Lunary Brands are listed in the order each answer named them. The answers were collected in the United States on October 21, 2026. ## How did search popularity change for LLM observability platforms worldwide in September 2026? - In September 2026, LangSmith gained share of searches among LLM observability platforms worldwide, from 27.7% to 28.4%. - In September 2026, Arize Phoenix lost share of searches among LLM observability platforms worldwide, from 7% to 5.1%. ## Month by month | Month | Arize Phoenix estimated searches | Arize Phoenix Share of Search | Arize Phoenix rank | LangSmith estimated searches | LangSmith Share of Search | LangSmith rank | | --- | --- | --- | --- | --- | --- | --- | | Oct 2025 | 11K | 4.4% | 4 | 74K | 29.3% | 3 | | Nov 2025 | 11K | 4.4% | 4 | 74K | 29.4% | 3 | | Dec 2025 | 9.8K | 4% | 4 | 74K | 29.8% | 3 | | Jan 2026 | 13.2K | 4.8% | 4 | 74K | 27.2% | 3 | | Feb 2026 | 13.2K | 5.1% | 4 | 74K | 28.5% | 2 | | Mar 2026 | 16.2K | 5.1% | 4 | 90.5K | 28.7% | 2 | | Apr 2026 | 16.2K | 4.9% | 4 | 90.5K | 27.6% | 3 | | May 2026 | 14.7K | 4.8% | 4 | 90.5K | 29.4% | 2 | | Jun 2026 | 16.2K | 5.5% | 4 | 90.5K | 30.5% | 2 | | Jul 2026 | 13.2K | 4.7% | 4 | 90.5K | 32.4% | 2 | | Aug 2026 | 18.7K | 7% | 4 | 74K | 27.7% | 2 | | Sep 2026 | 13.2K | 5.1% | 4 | 74K | 28.4% | 2 | ## How each brand is measured Brandwave collects information about searches that people make online using Arize Phoenix’s and LangSmith’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. - **Arize Phoenix**: Measured on the search terms “arize ai” and “arize phoenix”, summed into one figure. - **LangSmith**: Measured on the search term “langsmith”. - [Arize Phoenix profile](/demand/global-en/brands/arize-phoenix) - [LangSmith profile](/demand/global-en/brands/langsmith) - [All LLM observability platforms worldwide](/demand/global-en/categories/llm-observability-platforms): The set both shares are measured inside, 8 brands. ## Methodology - [How is the Brand Demand Index measured?](/demand/methodology): Where the figures come from, what they compare, and how they may be reused. ## Frequently asked questions ### Is Arize Phoenix or LangSmith more popular in search? In September 2026, LangSmith had more branded searches than Arize Phoenix among LLM observability platforms worldwide. LangSmith had about 74,000 branded searches, while Arize Phoenix had 13,200. LangSmith made up 28.4% of all LLM observability platform searches we track, and Arize Phoenix accounted for 5.1%. ## Cite this page Brandwave. "Arize Phoenix vs LangSmith: Which is searched more?". https://gobrandwave.com/demand/global-en/compare/arize-phoenix-vs-langsmith This page is also available as HTML at https://gobrandwave.com/demand/global-en/compare/arize-phoenix-vs-langsmith. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.