LangChain vs OpenAI Agents SDK:Which is searched more?
In September 2026, LangChain had more branded searches than OpenAI Agents SDK among AI agent platforms worldwide. LangChain had about 246,000 branded searches, while OpenAI Agents SDK had 14,800. LangChain made up 9.4% of all AI agent platform searches we track, and OpenAI Agents SDK accounted for 0.56%. These are worldwide searches for English-language branded terms.
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Is LangChain or OpenAI Agents SDK more popular in search?
Compare the platforms used to build AI agents. 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 searches by month for LangChain, OpenAI Agents SDK. The figures are in the table below the chart.
View monthly share of searches table
| Month | n8n | Zapier | Microsoft Copilot | LangChain | CrewAI | Lindy | AutoGen | Relevance AI | OpenAI Agents SDK |
|---|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 63% | 18.9% | 5.4% | 6.9% | 1.4% | 1.7% | 1.1% | 0.97% | 0.62% |
| Nov 2025 | 60.8% | 18.3% | 6.6% | 8.2% | 1.6% | 2% | 1.1% | 0.93% | 0.49% |
| Dec 2025 | 59.7% | 17.9% | 6.1% | 9.8% | 1.6% | 2.4% | 1.1% | 0.92% | 0.39% |
| Jan 2026 | 60.8% | 18.3% | 6.2% | 8.2% | 2% | 2% | 1.1% | 1.1% | 0.4% |
| Feb 2026 | 55.6% | 20.4% | 7.1% | 9.1% | 2.7% | 2.2% | 1.2% | 1% | 0.45% |
| Mar 2026 | 54.6% | 20.1% | 8.3% | 9% | 3.3% | 2.2% | 1.2% | 0.84% | 0.44% |
| Apr 2026 | 52.8% | 19.4% | 9.8% | 8.7% | 3.9% | 2.6% | 1.2% | 0.99% | 0.64% |
| May 2026 | 53.8% | 19.8% | 9.8% | 8.8% | 3.2% | 2.2% | 0.97% | 0.82% | 0.53% |
| Jun 2026 | 51.2% | 18.8% | 11.7% | 10.3% | 3.1% | 2.5% | 1.1% | 0.78% | 0.62% |
| Jul 2026 | 52.6% | 19.3% | 12% | 8.6% | 2.6% | 2.6% | 0.95% | 0.66% | 0.64% |
| Aug 2026 | 48% | 21.7% | 13.4% | 9.7% | 2.4% | 2.4% | 1.1% | 0.74% | 0.58% |
| Sep 2026 | 46.6% | 21% | 15.6% | 9.4% | 2.8% | 2.3% | 1% | 0.71% | 0.56% |
How has the LangChain and OpenAI Agents SDK comparison changed over the last 12 months?
3 findings
- LangChain was ahead of OpenAI Agents SDK in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, LangChain’s share of searches among AI agent platforms worldwide moved from 6.9% to 9.4%, and its estimated monthly branded searches moved from 301K to 246K.
- Across the 12 months ending September 2026, OpenAI Agents SDK’s share of searches among AI agent platforms worldwide moved from 0.62% to 0.56%, and its estimated monthly branded searches moved from 27.1K to 14.8K.
How did search popularity change for AI agent platforms worldwide in September 2026?
2 changes
Estimated monthly branded searches for OpenAI Agents SDK worldwide fell 45.4% over 12 measured months, from 27.1K to 14.8K in September 2026.
Estimated monthly branded searches for LangChain worldwide fell 18.3% over 12 measured months, from 301K to 246K in September 2026.
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using LangChain’s and OpenAI Agents SDK’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.
LangChain
1 branded search term
- langchain
OpenAI Agents SDK
1 branded search term
- openai agents sdk
Other head-to-heads among AI agent platforms
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