OpenAI Agents SDK vs Relevance AI:Which is more popular?
In September 2026, Relevance AI had more branded searches than OpenAI Agents SDK among AI agent platforms worldwide. Relevance AI had about 18,600 branded searches, while OpenAI Agents SDK had 14,800. Relevance AI made up 0.71% of all AI agent platform searches we track, and OpenAI Agents SDK accounted for 0.56%. When we asked ChatGPT and Google AI Overviews about AI agent platforms, OpenAI Agents SDK appeared in four of the five answers and Relevance AI in none.
Who do people search for more?
Relevance AI, about 26% more searches than OpenAI Agents SDK
Who does AI mention more?
OpenAI Agents SDK, mentioned in 4 of 5 answers, Relevance AI in 0
Who does AI recommend more?
OpenAI Agents SDK, the only one of the two named
Follow OpenAI Agents SDK vs Relevance AI 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 platforms in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, OpenAI Agents SDK was mentioned in four out of five: in all three ChatGPT answers and in one of the two Google AI Overviews. Relevance AI did not appear in any of the five answers.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
n8n1st- OpenAI Agents SDK2nd
CrewAI3rd
Microsoft Copilot4th
Zapier5th
LangChain6th
Lindy–
AutoGen–- Relevance AI–
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
- n8n5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- Microsoft Copilot4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- OpenAI Agents SDK4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- Zapier3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- CrewAI3 of 5Named in 1 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- LangChain2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- Lindy0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
- AutoGen0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
- Relevance AI0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about AI agent platforms
5 answers
Asked ChatGPT
“Which AI agent platform should I use?”
Asked ChatGPT
“What are the best AI agent platforms?”
Asked ChatGPT
“What's the best AI agent platform for building agents?”
Searched Google, AI Overview
“ai agent platform”
Searched Google, AI Overview
“build ai agents”
Not named in any answer:
Brands are shown in the order each answer named them. The survey took place in the United States on October 20, 2026.
Is OpenAI Agents SDK or Relevance AI more popular in search?
This chart shows how often people search Google for OpenAI Agents SDK and Relevance AI by name. Each line represents a brand's share of searches for all nine AI agent platforms we track, month by month, from English-language searches worldwide.
Share of searches by month for Relevance AI, 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 OpenAI Agents SDK and Relevance AI comparison changed over the last 12 months?
3 findings
- Relevance AI was ahead of OpenAI Agents SDK 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 platforms worldwide moved from 0.62% to 0.56%, and its estimated monthly branded searches moved from 27.1K to 14.8K.
- Across the 12 months ending September 2026, Relevance AI’s share of searches among AI agent platforms worldwide moved from 0.97% to 0.71%, and its estimated monthly branded searches moved from 42.1K to 18.6K.
How did search popularity change for AI agent platforms worldwide in September 2026?
2 changes
Estimated monthly branded searches for Relevance AI worldwide fell 55.9% over 12 measured months, from 42.1K to 18.6K 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.
How are branded searches counted?
3 search terms
Brandwave collects information about searches that people make online using OpenAI Agents SDK’s and Relevance AI’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
1 branded search term
- openai agents sdk
Relevance AI
2 branded search terms
- relevance ai
- relevanceai
Other head-to-heads among AI agent platforms
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.