Brandwave

How popular isLangSmith in search?

In August 2026, there were an estimated 74K branded searches for LangSmith worldwide which held steady over the last 11 months. LangSmith holds 71% estimated Share of Search among prompt management platforms worldwide and is ranked 1st of 5 competitors for search popularity. These are worldwide searches for English-language branded terms.

Share of Search, August 2026
  1. LangSmith71%
  2. Promptfoo21.3%
  3. Helicone5.2%
  4. PromptLayer1.5%
  5. Humanloop0.96%
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Which prompt management platforms compete with LangSmith?

LangSmith against prompt management platforms worldwide, by month

Share of Search by month for LangSmith, Promptfoo, Helicone. The figures are in the table below the chart.

View monthly share of search table
MonthLangSmithPromptfooHeliconePromptLayerHumanloop
Oct 202576.2%10.2%5.6%5.6%2.5%
Nov 202574.9%12.2%5.5%5.5%1.9%
Dec 202574.7%12.2%6.7%4.4%1.9%
Jan 202671%14.2%7.8%5.2%1.8%
Feb 202671.9%14.4%7.9%4.3%1.6%
Mar 202650.1%41%5.5%2.4%1.1%
Apr 202668%20.4%7.4%2.7%1.4%
May 202672.5%17.8%6.5%1.9%1.3%
Jun 202673.7%18.1%5.4%1.5%1.3%
Jul 202674.6%18.3%4.5%1.6%1.1%
Aug 202671%21.3%5.2%1.5%0.96%
Sep 2026—————
  1. Held 1st. 74K estimated branded searches, -18.2% vs prior month. Share -3.6 points.

  2. 2.Promptfoo

    21.3%

    Held 2nd. 22.2K estimated branded searches, 0% vs prior month. Share +3 points.

  3. 3.Helicone

    5.2%

    Held 3rd. 5.4K estimated branded searches, 0% vs prior month. Share +0.7 points.

  4. Held 4th. 1.6K estimated branded searches, -15.8% vs prior month. Share 0 points.

  5. 5.Humanloop

    0.96%

    Held 5th. 1K estimated branded searches, -23.1% vs prior month. Share -0.1 points.

Compare search popularity between LangSmith and its closest rivals

How has branded search demand for LangSmith changed worldwide over the last 12 months?

  • Across the 11 months ending August 2026, estimated monthly branded searches for LangSmith worldwide held steady at 74K.
  • 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, 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.

How did search popularity change for prompt management platforms worldwide in August 2026?

  1. In August 2026, Promptfoo gained estimated Share of Search among prompt management platforms worldwide, from 18.3% to 21.3%.

  2. In August 2026, Helicone gained estimated Share of Search among prompt management platforms worldwide, from 4.5% to 5.2%.

  3. In August 2026, LangSmith lost estimated Share of Search among prompt management platforms worldwide, from 74.6% to 71%.

  4. Estimated monthly branded searches for PromptLayer worldwide fell 70.4% over 11 measured months, from 5.4K to 1.6K in August 2026.

  5. Estimated monthly branded searches for Humanloop worldwide fell 58.3% over 11 measured months, from 2.4K to 1K in August 2026.

Where does LangSmith compete?

LangSmith is ranked in three competitor sets. Each share is worked out among that set's brands, so it differs from set to set.
Competitor setRankShare of SearchRanking
LLM observability platforms2nd of 530.5%Show ranking
Prompt management platforms1st of 571%Shown above
AI evaluation platforms1st of 577.6%Show ranking

How is LangSmith measured?

Brandwave collects information about searches that people make online using LangSmith’s name. When viewed over time, estimated search volumes for this branded term can be used to understand whether interest in the brand is growing, holding steady, or fading.

1 branded search term

  • langsmith

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How the Brand Demand Index is measured

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Is LangSmith your brand?

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