--- title: "OpenAI Agents SDK vs Semantic Kernel: Which is searched more?" description: "Is OpenAI Agents SDK or Semantic Kernel more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the AI agent frameworks 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/openai-agents-sdk-vs-semantic-kernel" publisher: "Brandwave" --- # OpenAI Agents SDK vs Semantic Kernel: Which is searched more? Is OpenAI Agents SDK or Semantic Kernel more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the AI agent frameworks 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**: OpenAI Agents SDK and Semantic Kernel - **Competitive set**: AI agent frameworks - **Market**: Global - **Month measured**: Sep 2026 - **OpenAI Agents SDK Share of Search**: 3.6% - **Semantic Kernel Share of Search**: 1.6% ## Is OpenAI Agents SDK or Semantic Kernel more popular in search? - In September 2026, OpenAI Agents SDK had more branded searches than Semantic Kernel among AI agent frameworks worldwide. OpenAI Agents SDK had about 14,800 branded searches, while Semantic Kernel had 6,690. OpenAI Agents SDK made up 3.6% of all AI agent framework searches we track, and Semantic Kernel accounted for 1.6%. - OpenAI Agents SDK was ahead of Semantic Kernel in every measured month of the 12 months ending September 2026. - Across the 12 months ending September 2026, OpenAI Agents SDK’s share of searches among AI agent frameworks worldwide moved from 5.1% to 3.6%, and its estimated monthly branded searches moved from 27.1K to 14.8K. - Across the 12 months ending September 2026, Semantic Kernel’s share of searches among AI agent frameworks worldwide moved from 3.5% to 1.6%, and its estimated monthly branded searches moved from 18.5K to 6.7K. ## Top AI agent frameworks in ChatGPT and Google AI Overviews In three ChatGPT questions and two Google AI Overviews, OpenAI Agents SDK appeared in all five answers. Semantic Kernel was mentioned in two out of five: in one of the three ChatGPT answers and in one of the two Google AI Overviews. OpenAI Agents SDK was listed before Semantic Kernel in four out of five answers. 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 | | --- | --- | --- | --- | --- | | CrewAI | 1st | 3 of 3 | 2 of 2 | 5 of 5 | | OpenAI Agents SDK | 2nd | 3 of 3 | 2 of 2 | 5 of 5 | | Pydantic AI | 3rd | 2 of 3 | 1 of 2 | 3 of 5 | | AutoGen | 4th | 1 of 3 | 1 of 2 | 2 of 5 | | LangChain | 5th | 1 of 3 | 2 of 2 | 3 of 5 | | LlamaIndex | 6th | 3 of 3 | 0 of 2 | 3 of 5 | | Semantic Kernel | 7th | 1 of 3 | 1 of 2 | 2 of 5 | ## Every AI answer about AI agent frameworks - Asked ChatGPT "Which AI agent framework should I use?": 1. OpenAI Agents SDK, 2. CrewAI, 3. LlamaIndex - Asked ChatGPT "What are the best AI agent frameworks?": 1. OpenAI Agents SDK, 2. CrewAI, 3. Pydantic AI, 4. LlamaIndex, 5. LangChain, 6. AutoGen, 7. Semantic Kernel - Asked ChatGPT "What's the best AI agent framework for building agents?": 1. OpenAI Agents SDK, 2. CrewAI, 3. Pydantic AI, 4. LlamaIndex - Searched Google, AI Overview "ai agent framework": 1. AutoGen, 2. CrewAI, 3. Pydantic AI, 4. LangChain, 5. Semantic Kernel, 6. OpenAI Agents SDK - Searched Google, AI Overview "build ai agents": 1. CrewAI, 2. OpenAI Agents SDK, 3. LangChain Brands are listed in the order each answer named them. The answers were collected in the United States on October 20, 2026. ## How did search popularity change for AI agent frameworks worldwide in September 2026? - Estimated monthly branded searches for Semantic Kernel worldwide fell 63.8% over 12 measured months, from 18.5K to 6.7K in September 2026. - 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. ## Month by month | Month | OpenAI Agents SDK estimated searches | OpenAI Agents SDK Share of Search | OpenAI Agents SDK rank | Semantic Kernel estimated searches | Semantic Kernel Share of Search | Semantic Kernel rank | | --- | --- | --- | --- | --- | --- | --- | | Oct 2025 | 27.1K | 5.1% | 6 | 18.5K | 3.5% | 7 | | Nov 2025 | 18.1K | 3.7% | 6 | 12.4K | 2.5% | 7 | | Dec 2025 | 12.1K | 2.6% | 6 | 10.1K | 2.2% | 7 | | Jan 2026 | 14.8K | 2.9% | 6 | 12.4K | 2.4% | 7 | | Feb 2026 | 14.8K | 2.8% | 6 | 12.3K | 2.4% | 7 | | Mar 2026 | 18.1K | 2.7% | 6 | 15.1K | 2.3% | 7 | | Apr 2026 | 22.2K | 3.8% | 6 | 12.3K | 2.1% | 7 | | May 2026 | 18.1K | 3.4% | 6 | 10.1K | 1.9% | 7 | | Jun 2026 | 18.1K | 3.5% | 6 | 8.2K | 1.6% | 7 | | Jul 2026 | 18.1K | 4.2% | 6 | 8.2K | 1.9% | 7 | | Aug 2026 | 14.8K | 3.7% | 6 | 6.7K | 1.7% | 7 | | Sep 2026 | 14.8K | 3.6% | 6 | 6.7K | 1.6% | 7 | ## How each brand is measured Brandwave collects information about searches that people make online using OpenAI Agents SDK’s and Semantic Kernel’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. - **OpenAI Agents SDK**: Measured on the search term “openai agents sdk”. - **Semantic Kernel**: Measured on the search terms “semantic kernel” and “semantickernel”, summed into one figure. - [OpenAI Agents SDK profile](/demand/global-en/brands/openai-agents-sdk) - [Semantic Kernel profile](/demand/global-en/brands/semantic-kernel) - [All AI agent frameworks worldwide](/demand/global-en/categories/ai-agent-frameworks): The set both shares are measured inside, 7 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 OpenAI Agents SDK or Semantic Kernel more popular in search? In September 2026, OpenAI Agents SDK had more branded searches than Semantic Kernel among AI agent frameworks worldwide. OpenAI Agents SDK had about 14,800 branded searches, while Semantic Kernel had 6,690. OpenAI Agents SDK made up 3.6% of all AI agent framework searches we track, and Semantic Kernel accounted for 1.6%. ## Cite this page Brandwave. "OpenAI Agents SDK vs Semantic Kernel: Which is searched more?". https://gobrandwave.com/demand/global-en/compare/openai-agents-sdk-vs-semantic-kernel This page is also available as HTML at https://gobrandwave.com/demand/global-en/compare/openai-agents-sdk-vs-semantic-kernel. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.