CrewAI vs LlamaIndex:Which is more popular?
In September 2026, CrewAI had more branded searches than LlamaIndex among AI agent frameworks worldwide. CrewAI had about 74,000 branded searches, while LlamaIndex had 22,200. CrewAI made up 17.9% of all AI agent framework searches we track, and LlamaIndex accounted for 5.4%. When we asked ChatGPT and Google AI Overviews about AI agent frameworks, CrewAI appeared in all five answers and LlamaIndex in three. CrewAI was mentioned before LlamaIndex in every answer.
Who do people search for more?
CrewAI, about 3 searches for every 1 for LlamaIndex
Who does AI mention more?
CrewAI, mentioned in every answer we collected
Who does AI recommend more?
CrewAI, named ahead of LlamaIndex in every answer
Follow CrewAI vs LlamaIndex and get free monthly updates on what changed
By continuing you'll get index updates and occasional product news from Brandwave. Unsubscribe any time. Privacy
Top AI agent frameworks in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, CrewAI 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. CrewAI was listed before LlamaIndex in every answer.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
- CrewAI1st
- OpenAI Agents SDK2nd
Pydantic AI3rd
AutoGen4th
LangChain5th
LlamaIndex6th
Semantic Kernel7th
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
- CrewAI5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- OpenAI Agents SDK5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- LangChain3 of 5Named in 1 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- LlamaIndex3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
- Pydantic AI3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- AutoGen2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- Semantic Kernel2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
See every answer about AI agent frameworks
5 answers
Asked ChatGPT
“Which AI agent framework should I use?”
Asked ChatGPT
“What are the best AI agent frameworks?”
Asked ChatGPT
“What's the best AI agent framework for building agents?”
Searched Google, AI Overview
“ai agent framework”
Searched Google, AI Overview
“build ai agents”
Brands are shown in the order each answer named them. The survey took place in the United States on October 20, 2026.
Is CrewAI or LlamaIndex more popular in search?
This chart shows how often people search Google for CrewAI and LlamaIndex by name. Each line represents a brand's share of searches for all seven AI agent frameworks we track, month by month, from English-language searches worldwide.
Share of searches by month for CrewAI, LlamaIndex. The figures are in the table below the chart.
View monthly share of searches table
| Month | LangChain | CrewAI | AutoGen | LlamaIndex | Pydantic AI | OpenAI Agents SDK | Semantic Kernel |
|---|---|---|---|---|---|---|---|
| Oct 2025 | 56.8% | 11.4% | 9.3% | 7.6% | 6.2% | 5.1% | 3.5% |
| Nov 2025 | 61.1% | 12.3% | 8.2% | 6.7% | 5.5% | 3.7% | 2.5% |
| Dec 2025 | 64.6% | 10.6% | 7.1% | 7.1% | 5.8% | 2.6% | 2.2% |
| Jan 2026 | 59% | 14.5% | 7.9% | 7.9% | 5.3% | 2.9% | 2.4% |
| Feb 2026 | 58% | 17.4% | 7.8% | 6.4% | 5.2% | 2.8% | 2.4% |
| Mar 2026 | 55.1% | 20.2% | 7.4% | 7.4% | 5% | 2.7% | 2.3% |
| Apr 2026 | 52% | 23.3% | 7% | 7% | 4.7% | 3.8% | 2.1% |
| May 2026 | 55.8% | 20.4% | 6.1% | 7.5% | 5% | 3.4% | 1.9% |
| Jun 2026 | 58.9% | 17.7% | 6.5% | 6.5% | 5.3% | 3.5% | 1.6% |
| Jul 2026 | 56.7% | 17.1% | 6.3% | 7.6% | 6.3% | 4.2% | 1.9% |
| Aug 2026 | 60.8% | 15% | 6.7% | 6.7% | 5.5% | 3.7% | 1.7% |
| Sep 2026 | 59.6% | 17.9% | 6.6% | 5.4% | 5.4% | 3.6% | 1.6% |
How has the CrewAI and LlamaIndex comparison changed over the last 12 months?
3 findings
- CrewAI was ahead of LlamaIndex in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, CrewAI’s share of searches among AI agent frameworks worldwide moved from 11.4% to 17.9%, and its estimated monthly branded searches moved from 60.5K to 74K.
- 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.
How did search popularity change for AI agent frameworks worldwide in September 2026?
2 changes
In September 2026, CrewAI gained share of searches among AI agent frameworks worldwide, from 15% to 17.9%.
In September 2026, LlamaIndex lost share of searches among AI agent frameworks worldwide, from 6.7% to 5.4%.
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using CrewAI’s and LlamaIndex’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.
CrewAI
1 branded search term
- crewai
LlamaIndex
1 branded search term
- llamaindex
Other head-to-heads among AI agent frameworks
Put your own brand in this comparison
Brandwave tracks your branded demand next to the rival you actually watch, with your campaigns, spend and outcomes on the same timeline.