Helicone vs LangSmith:Which is more popular by branded search?
In August 2026, LangSmith had more branded searches than Helicone among prompt management platforms worldwide. LangSmith was estimated to have 74K branded searches compared to Helicone’s 5.4K, and held a 71% Share of Search versus Helicone’s 5.2%. These are worldwide searches for English-language branded terms.
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Which is more popular in search, Helicone or LangSmith?
Compare the tools teams use to version and test prompts. 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.
Share of Search by month for LangSmith, Helicone. The figures are in the table below the chart.
View monthly share of search table
| Month | LangSmith | Promptfoo | Helicone | PromptLayer | Humanloop |
|---|---|---|---|---|---|
| Oct 2025 | 76.2% | 10.2% | 5.6% | 5.6% | 2.5% |
| Nov 2025 | 74.9% | 12.2% | 5.5% | 5.5% | 1.9% |
| Dec 2025 | 74.7% | 12.2% | 6.7% | 4.4% | 1.9% |
| Jan 2026 | 71% | 14.2% | 7.8% | 5.2% | 1.8% |
| Feb 2026 | 71.9% | 14.4% | 7.9% | 4.3% | 1.6% |
| Mar 2026 | 50.1% | 41% | 5.5% | 2.4% | 1.1% |
| Apr 2026 | 68% | 20.4% | 7.4% | 2.7% | 1.4% |
| May 2026 | 72.5% | 17.8% | 6.5% | 1.9% | 1.3% |
| Jun 2026 | 73.7% | 18.1% | 5.4% | 1.5% | 1.3% |
| Jul 2026 | 74.6% | 18.3% | 4.5% | 1.6% | 1.1% |
| Aug 2026 | 71% | 21.3% | 5.2% | 1.5% | 0.96% |
| Sep 2026 | — | — | — | — | — |
How has the Helicone and LangSmith comparison changed over the last 12 months?
3 findings
- LangSmith was ahead of Helicone in every measured month of the 11 months ending August 2026.
- Across the 11 months ending August 2026, Helicone’s estimated Share of Search among prompt management platforms worldwide moved from 5.6% to 5.2%, and its estimated monthly branded searches held steady at 5.4K.
- Across the 11 months ending August 2026, LangSmith’s estimated Share of Search among prompt management platforms worldwide moved from 76.2% to 71%, and its estimated monthly branded searches held steady at 74K.
How did search popularity change for prompt management platforms worldwide in August 2026?
2 changes
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%.
How each brand is measured
Brandwave collects information about searches that people make online using Helicone’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.
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