--- title: "LlamaIndex vs OpenAI Agents SDK: Which is searched more?" description: "Is LlamaIndex or OpenAI Agents SDK 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/llamaindex-vs-openai-agents-sdk" publisher: "Brandwave" --- # LlamaIndex vs OpenAI Agents SDK: Which is searched more? Is LlamaIndex or OpenAI Agents SDK 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**: LlamaIndex and OpenAI Agents SDK - **Competitive set**: AI agent frameworks - **Market**: Global - **Month measured**: Sep 2026 - **LlamaIndex Share of Search**: 5.4% - **OpenAI Agents SDK Share of Search**: 3.6% ## Is LlamaIndex or OpenAI Agents SDK more popular in search? - In September 2026, LlamaIndex had more branded searches than OpenAI Agents SDK among AI agent frameworks worldwide. LlamaIndex had about 22,200 branded searches, while OpenAI Agents SDK had 14,800. LlamaIndex made up 5.4% of all AI agent framework searches we track, and OpenAI Agents SDK accounted for 3.6%. - LlamaIndex was ahead of OpenAI Agents SDK in every measured month of the 12 months ending September 2026. - Across the 12 months ending September 2026, LlamaIndex’s share of searches among AI agent frameworks worldwide moved from 7.6% to 5.4%, and its estimated monthly branded searches moved from 40.5K to 22.2K. - 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. ## 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. LlamaIndex was mentioned in three out of five: in all three ChatGPT answers, but not in either of the two Google AI Overviews. OpenAI Agents SDK was listed before LlamaIndex in every answer. 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? - In September 2026, LlamaIndex lost share of searches among AI agent frameworks worldwide, from 6.7% to 5.4%. - 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 | LlamaIndex estimated searches | LlamaIndex Share of Search | LlamaIndex rank | OpenAI Agents SDK estimated searches | OpenAI Agents SDK Share of Search | OpenAI Agents SDK rank | | --- | --- | --- | --- | --- | --- | --- | | Oct 2025 | 40.5K | 7.6% | 4 | 27.1K | 5.1% | 6 | | Nov 2025 | 33.1K | 6.7% | 4 | 18.1K | 3.7% | 6 | | Dec 2025 | 33.1K | 7.1% | 4 | 12.1K | 2.6% | 6 | | Jan 2026 | 40.5K | 7.9% | 4 | 14.8K | 2.9% | 6 | | Feb 2026 | 33.1K | 6.4% | 4 | 14.8K | 2.8% | 6 | | Mar 2026 | 49.5K | 7.4% | 4 | 18.1K | 2.7% | 6 | | Apr 2026 | 40.5K | 7% | 4 | 22.2K | 3.8% | 6 | | May 2026 | 40.5K | 7.5% | 3 | 18.1K | 3.4% | 6 | | Jun 2026 | 33.1K | 6.5% | 4 | 18.1K | 3.5% | 6 | | Jul 2026 | 33.1K | 7.6% | 3 | 18.1K | 4.2% | 6 | | Aug 2026 | 27.1K | 6.7% | 4 | 14.8K | 3.7% | 6 | | Sep 2026 | 22.2K | 5.4% | 4 | 14.8K | 3.6% | 6 | ## How each brand is measured Brandwave collects information about searches that people make online using LlamaIndex’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. - **LlamaIndex**: Measured on the search term “llamaindex”. - **OpenAI Agents SDK**: Measured on the search term “openai agents sdk”. - [LlamaIndex profile](/demand/global-en/brands/llamaindex) - [OpenAI Agents SDK profile](/demand/global-en/brands/openai-agents-sdk) - [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 LlamaIndex or OpenAI Agents SDK more popular in search? In September 2026, LlamaIndex had more branded searches than OpenAI Agents SDK among AI agent frameworks worldwide. LlamaIndex had about 22,200 branded searches, while OpenAI Agents SDK had 14,800. LlamaIndex made up 5.4% of all AI agent framework searches we track, and OpenAI Agents SDK accounted for 3.6%. ## Cite this page Brandwave. "LlamaIndex vs OpenAI Agents SDK: Which is searched more?". https://gobrandwave.com/demand/global-en/compare/llamaindex-vs-openai-agents-sdk This page is also available as HTML at https://gobrandwave.com/demand/global-en/compare/llamaindex-vs-openai-agents-sdk. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.