--- title: "Prompt management platforms: Which brands are most popular in search?" description: "Compare the tools teams use to version and test prompts. Share of Search among LangSmith, Promptfoo, Helicone, PromptLayer and Humanloop, the prompt management platforms Brandwave compares worldwide, using the same methodology, market, and reporting period. 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/categories/prompt-management-platforms" publisher: "Brandwave" --- # Prompt management platforms: Which brands are most popular in search? Compare the tools teams use to version and test prompts. Share of Search among LangSmith, Promptfoo, Helicone, PromptLayer and Humanloop, the prompt management platforms Brandwave compares worldwide, using the same methodology, market, and reporting period. 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 - **Competitive set**: Prompt management platforms - **Market**: Global - **Brands compared**: 5 - **Month measured**: Aug 2026 - **Highest Share of Search**: LangSmith, 71% ## Which brand is most popular in search among prompt management platforms worldwide? - In August 2026, LangSmith was the most searched among prompt management platforms worldwide, with an estimated 74K branded searches and 71% estimated Share of Search within this set. - Promptfoo is in 2nd place, 49.7 percentage points behind at 21.3% Share of Search. - Across the 11 months ending August 2026, LangSmith’s estimated Share of Search among prompt management platforms worldwide decreased from 76.2% to 71%. - Across the 11 months ending August 2026, Promptfoo’s estimated Share of Search among prompt management platforms worldwide increased from 10.2% to 21.3%. - Across the 11 months ending August 2026, PromptLayer’s estimated Share of Search among prompt management platforms worldwide decreased from 5.6% to 1.5%. - Across the 11 months ending August 2026, Humanloop’s estimated Share of Search among prompt management platforms worldwide decreased from 2.5% to 0.96%. - Across the 11 months ending August 2026, LangSmith’s estimated Share of Search among prompt management platforms worldwide peaked at 76.2% in October 2025 and was lowest at 50.1% in March 2026. - Across the 11 months ending August 2026, Promptfoo’s estimated Share of Search among prompt management platforms worldwide peaked at 41% in March 2026 and was lowest at 10.2% in October 2025. - Across the 11 months ending August 2026, Helicone’s estimated Share of Search among prompt management platforms worldwide peaked at 7.9% in February 2026 and was lowest at 4.5% in July 2026. - Across the 11 months ending August 2026, Helicone held steady: its estimated Share of Search among prompt management platforms worldwide moved less than 0.5 percentage points. ## Compare search popularity between leading brands - [LangSmith vs Promptfoo: compare search popularity](/demand/global-en/compare/langsmith-vs-promptfoo): 71% against 21.3% Share of Search. - [LangSmith vs Helicone: compare search popularity](/demand/global-en/compare/helicone-vs-langsmith): 71% against 5.2% Share of Search. - [Promptfoo vs Helicone: compare search popularity](/demand/global-en/compare/helicone-vs-promptfoo): 21.3% against 5.2% Share of Search. ## How did search popularity change for prompt management platforms worldwide in August 2026? - In August 2026, Promptfoo gained estimated Share of Search among prompt management platforms worldwide, from 18.3% to 21.3%. - In August 2026, Helicone gained estimated Share of Search among prompt management platforms worldwide, from 4.5% to 5.2%. - In August 2026, LangSmith lost estimated Share of Search among prompt management platforms worldwide, from 74.6% to 71%. - Estimated monthly branded searches for PromptLayer worldwide fell 70.4% over 11 measured months, from 5.4K to 1.6K in August 2026. - Estimated monthly branded searches for Humanloop worldwide fell 58.3% over 11 measured months, from 2.4K to 1K in August 2026. ## Share of Search ranking | Rank | Brand | Share of Search | Estimated monthly branded searches | Change vs prior month | Owned by | | --- | --- | --- | --- | --- | --- | | 1 | LangSmith | 71% | 74K | -18.2% | LangSmith | | 2 | Promptfoo | 21.3% | 22.2K | 0.0% | Promptfoo | | 3 | Helicone | 5.2% | 5.4K | 0.0% | Helicone | | 4 | PromptLayer | 1.5% | 1.6K | -15.8% | PromptLayer | | 5 | Humanloop | 0.96% | 1K | -23.1% | Humanloop | ## Historical estimated branded-search demand | Month | Brand | Estimated monthly branded searches | Share of Search | Rank | | --- | --- | --- | --- | --- | | Oct 2025 | LangSmith | 74K | 76.2% | 1 | | Oct 2025 | Promptfoo | 9.9K | 10.2% | 2 | | Oct 2025 | Helicone | 5.4K | 5.6% | 3 | | Oct 2025 | PromptLayer | 5.4K | 5.6% | 4 | | Oct 2025 | Humanloop | 2.4K | 2.5% | 5 | | Nov 2025 | LangSmith | 74K | 74.9% | 1 | | Nov 2025 | Promptfoo | 12.1K | 12.2% | 2 | | Nov 2025 | Helicone | 5.4K | 5.5% | 3 | | Nov 2025 | PromptLayer | 5.4K | 5.5% | 4 | | Nov 2025 | Humanloop | 1.9K | 1.9% | 5 | | Dec 2025 | LangSmith | 74K | 74.7% | 1 | | Dec 2025 | Promptfoo | 12.1K | 12.2% | 2 | | Dec 2025 | Helicone | 6.6K | 6.7% | 3 | | Dec 2025 | PromptLayer | 4.4K | 4.4% | 4 | | Dec 2025 | Humanloop | 1.9K | 1.9% | 5 | | Jan 2026 | LangSmith | 74K | 71% | 1 | | Jan 2026 | Promptfoo | 14.8K | 14.2% | 2 | | Jan 2026 | Helicone | 8.1K | 7.8% | 3 | | Jan 2026 | PromptLayer | 5.4K | 5.2% | 4 | | Jan 2026 | Humanloop | 1.9K | 1.8% | 5 | | Feb 2026 | LangSmith | 74K | 71.9% | 1 | | Feb 2026 | Promptfoo | 14.8K | 14.4% | 2 | | Feb 2026 | Helicone | 8.1K | 7.9% | 3 | | Feb 2026 | PromptLayer | 4.4K | 4.3% | 4 | | Feb 2026 | Humanloop | 1.6K | 1.6% | 5 | | Mar 2026 | LangSmith | 90.5K | 50.1% | 1 | | Mar 2026 | Promptfoo | 74K | 41% | 2 | | Mar 2026 | Helicone | 9.9K | 5.5% | 3 | | Mar 2026 | PromptLayer | 4.4K | 2.4% | 4 | | Mar 2026 | Humanloop | 1.9K | 1.1% | 5 | | Apr 2026 | LangSmith | 90.5K | 68% | 1 | | Apr 2026 | Promptfoo | 27.1K | 20.4% | 2 | | Apr 2026 | Helicone | 9.9K | 7.4% | 3 | | Apr 2026 | PromptLayer | 3.6K | 2.7% | 4 | | Apr 2026 | Humanloop | 1.9K | 1.4% | 5 | | May 2026 | LangSmith | 90.5K | 72.5% | 1 | | May 2026 | Promptfoo | 22.2K | 17.8% | 2 | | May 2026 | Helicone | 8.1K | 6.5% | 3 | | May 2026 | PromptLayer | 2.4K | 1.9% | 4 | | May 2026 | Humanloop | 1.6K | 1.3% | 5 | | Jun 2026 | LangSmith | 90.5K | 73.7% | 1 | | Jun 2026 | Promptfoo | 22.2K | 18.1% | 2 | | Jun 2026 | Helicone | 6.6K | 5.4% | 3 | | Jun 2026 | PromptLayer | 1.9K | 1.5% | 4 | | Jun 2026 | Humanloop | 1.6K | 1.3% | 5 | | Jul 2026 | LangSmith | 90.5K | 74.6% | 1 | | Jul 2026 | Promptfoo | 22.2K | 18.3% | 2 | | Jul 2026 | Helicone | 5.4K | 4.5% | 3 | | Jul 2026 | PromptLayer | 1.9K | 1.6% | 4 | | Jul 2026 | Humanloop | 1.3K | 1.1% | 5 | | Aug 2026 | LangSmith | 74K | 71% | 1 | | Aug 2026 | Promptfoo | 22.2K | 21.3% | 2 | | Aug 2026 | Helicone | 5.4K | 5.2% | 3 | | Aug 2026 | PromptLayer | 1.6K | 1.5% | 4 | | Aug 2026 | Humanloop | 1K | 0.96% | 5 | | Sep 2026 | Helicone | — | — | — | | Sep 2026 | Humanloop | — | — | — | | Sep 2026 | LangSmith | — | — | — | | Sep 2026 | Promptfoo | — | — | — | | Sep 2026 | PromptLayer | — | — | — | ## What is being compared - **Helicone**: Measured on the search term “helicone”. - **Humanloop**: Measured on the search term “humanloop”. - **LangSmith**: Measured on the search term “langsmith”. - **Promptfoo**: Measured on the search term “promptfoo”. - **PromptLayer**: Measured on the search term “promptlayer”. - [Helicone](/demand/global-en/brands/helicone) - [Humanloop](/demand/global-en/brands/humanloop) - [LangSmith](/demand/global-en/brands/langsmith) - [Promptfoo](/demand/global-en/brands/promptfoo) - [PromptLayer](/demand/global-en/brands/promptlayer) ## 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 brand is most popular in search among prompt management platforms worldwide? In August 2026, LangSmith was the most searched among prompt management platforms worldwide, with an estimated 74K branded searches and 71% estimated Share of Search within this set. These are worldwide searches for English-language branded terms. ## Cite this page Brandwave. "Prompt management platforms: Which brands are most popular in search?". https://gobrandwave.com/demand/global-en/categories/prompt-management-platforms This page is also available as HTML at https://gobrandwave.com/demand/global-en/categories/prompt-management-platforms. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.