How popular isPydantic AI?
In September 2026, people searched for Pydantic AI by name about 22,200 times worldwide, a 32.9% decrease from the previous year. These searches made up 5.4% of all global AI agent framework searches, placing Pydantic AI fifth out of seven frameworks. When we asked both ChatGPT and Google AI Overviews about AI agent frameworks, Pydantic AI appeared in three of the five answers and was the third most recommended of the seven.
Pydantic AI is the fifth most searched of 7 competitors and the third most recommended in AI answers.
LangChainShare of searches 59.6%Mentioned in 3 of 5 AI answersPlace in AI recommendations 5th
CrewAIShare of searches 17.9%Mentioned in 5 of 5 AI answersPlace in AI recommendations 1st
AutoGenShare of searches 6.6%Mentioned in 2 of 5 AI answersPlace in AI recommendations 4th
LlamaIndexShare of searches 5.4%Mentioned in 3 of 5 AI answersPlace in AI recommendations 6th
Pydantic AIShare of searches 5.4%Mentioned in 3 of 5 AI answersPlace in AI recommendations 3rd
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Top AI agent frameworks in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Pydantic AI was mentioned in three out of five: in two of the three ChatGPT answers and in one of the two Google AI Overviews. Pydantic AI is the third most recommended of the seven.
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.
Which AI agent frameworks compete with Pydantic AI?
Share of searches by month for LangChain, CrewAI, AutoGen, LlamaIndex, Pydantic AI, OpenAI Agents SDK. 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% |
| Rank | Brand | Share of searches | Estimated monthly branded searches | vs prior month | Share change |
|---|---|---|---|---|---|
| 1, held 1st | 59.6% | 246K | 0% | -1.3 points | |
| 2, held 2nd | 17.9% | 74K | +22.3% | +3 points | |
| 3, held 3rd | 6.6% | 27.1K | 0% | -0.1 points | |
| 4, held 4th | 5.4% | 22.2K | -18.1% | -1.3 points | |
| 5, held 5th | 5.4% | 22.2K | 0% | -0.1 points | |
| 6, held 6th | 3.6% | 14.8K | 0% | -0.1 points | |
| 7, held 7th | 1.6% | 6.7K | 0% | 0 points |
59.6%
Held 1st. 246K estimated branded searches, 0% vs prior month. Share -1.3 points.
2.
CrewAI17.9%
Held 2nd. 74K estimated branded searches, +22.3% vs prior month. Share +3 points.
3.
AutoGen6.6%
Held 3rd. 27.1K estimated branded searches, 0% vs prior month. Share -0.1 points.
5.4%
Held 4th. 22.2K estimated branded searches, -18.1% vs prior month. Share -1.3 points.
5.4%
Held 5th. 22.2K estimated branded searches, 0% vs prior month. Share -0.1 points.
3.6%
Held 6th. 14.8K estimated branded searches, 0% vs prior month. Share -0.1 points.
1.6%
Held 7th. 6.7K estimated branded searches, 0% vs prior month. Share 0 points.
Compare popularity between Pydantic AI and its closest rivals
Every comparison with Pydantic AI
6 comparisons
How has branded search demand for Pydantic AI changed worldwide over the last 12 months?
3 findings
- Across the 12 months ending September 2026, estimated monthly branded searches for Pydantic AI worldwide fell from 33.1K to 22.2K.
- Across the 12 months ending September 2026, Pydantic AI’s share of searches among AI agent frameworks worldwide decreased from 6.2% to 5.4%.
- Across the 12 months ending September 2026, Pydantic AI’s share of searches among AI agent frameworks worldwide peaked at 6.3% in July 2026 and was lowest at 4.7% in April 2026.
How did search popularity change for AI agent frameworks worldwide in September 2026?
6 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%.
In September 2026, LangChain lost share of searches among AI agent frameworks worldwide, from 60.8% to 59.6%.
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.
Estimated monthly branded searches for AutoGen worldwide fell 45.3% over 12 measured months, from 49.5K to 27.1K in September 2026.
How are Pydantic AI’s branded searches counted?
1 search term
Brandwave collects information about searches that people make online using Pydantic AI’s name. When viewed over time, estimated search volumes for this branded term can be used to understand whether interest in the brand is growing, holding steady, or fading.
- pydantic ai
Who owns Pydantic AI?
Pydantic AI is owned by Pydantic. Brandwave does not track any other brands owned by Pydantic.
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Is Pydantic AI your brand?
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