Who Claude recommends for AI agent frameworks.
Updated 9 October 202615 Claude answers
We asked Claude 5 buyer prompts 3 times each on 9 October 2026, with live web search on, and counted every product its 15 usable answers named. This page is Claude alone; the full ranking compares every engine and quotes every answer.
Who Claude recommends.
| # | Product | Share of answers | Avg. position |
|---|---|---|---|
| 1 | LangGraphlanggraph.dev | 100% 15 of 15 answers | |
| 2 | CrewAIcrewai.com | 93% 14 of 15 answers | |
| 3 | OpenAI Agents SDKplatform.openai.com | 73% 11 of 15 answers | |
| 4 | LangChainlangchain.com | 60% 9 of 15 answers | |
| 5 | Microsoft Agent Frameworklearn.microsoft.com | 47% 7 of 15 answers | |
| 6 | Mastramastra.ai | 33% 5 of 15 answers | |
| 7 | LlamaIndexllamaindex.ai | 33% 5 of 15 answers | |
| 8 | Microsoft AutoGenmicrosoft.com | 27% 4 of 15 answers | |
| 9 | Claude Agent SDKanthropic.com | 27% 4 of 15 answers | |
| 10 | Anthropicanthropic.com | 20% 3 of 15 answers | |
| 11 | OpenAIopenai.com | 20% 3 of 15 answers | |
| 12 | Google ADKcloud.google.com | 20% 3 of 15 answers | |
| 13 | Pydantic AIgithub.com | 13% 2 of 15 answers | |
| 14 | Difygithub.com | 13% 2 of 15 answers | |
| 15 | Deep Agents | 7% 1 of 15 answers | |
| 15 | Replitreplit.com | 7% 1 of 15 answers | |
| 17 | LangSmithsmith.langchain.com | 7% 1 of 15 answers | |
| 17 | PayPalpaypal.com | 7% 1 of 15 answers | |
| 17 | LlamaIndex Workflowsgithub.com | 7% 1 of 15 answers | |
| 20 | AutoGen (AG2)github.com | 7% 1 of 15 answers | |
| 20 | Sanitysanity.io | 7% 1 of 15 answers | |
| 20 | Haystackgithub.com | 7% 1 of 15 answers | |
| 23 | Semantic Kernelmicrosoft.com | 7% 1 of 15 answers | |
| 24 | Azure AI Foundrymicrosoft.com | 7% 1 of 15 answers |
What this does and does not show.
- Counted from Claude’s 15 usable answers of 15 planned.
- Products level on share of answers and average position share a rank: the measurement shows no difference between them.
- Counted as one product under reviewed spellings: “Google ADK (Agent Development Kit)” and “Google Agent Development Kit (ADK)” as Google ADK; “AutoGen” as Microsoft AutoGen.
- AI answers vary from run to run and with each person’s history and settings. This is what Claude answered on 9 October 2026, asked fresh each time, not what every user will see.
- One engine and one month. Another engine, or next month, can name different products.
Not affiliated with or endorsed by Anthropic.How it works · Every engine for AI agent frameworks · According to ChatGPT · According to Perplexity