LLM Agent Frameworks and Tooling | Parse

LLM Agent Frameworks and Tooling in AI answers

Data as of Oct 18, 2026Based on 1,229 AI responsesReviewed by Dimitry Apollonsky

AI summary

LangChain LangGraph holds a clear lead, frequently highlighted for stateful multi-step tasks, external API integration, and human-in-the-loop workflows. In contrast, Browser Use is the usual answer when buyers need frameworks with built-in browser automation for web research.

Most-mentioned brands

Rank and Mentioned in · since Jul 5

#	Brand	Recommended for	Mentioned in
1	LangChain LangGraphLangChain product line 68% stateful task orchestration, complex tool integration, and human-in-the-loop workflows	stateful task orchestration, complex tool integration, and human-in-the-loop workflows	68%
2	CrewAI 48% collaborative multi-agent teams and role-playing agent orchestration	collaborative multi-agent teams and role-playing agent orchestration	48%
3	OpenAI Agents SDKOpenAI product line 32% agent-to-agent handoffs, guardrails, and OpenAI-centric ecosystems	agent-to-agent handoffs, guardrails, and OpenAI-centric ecosystems	32%
4	Microsoft Agent FrameworkMicrosoft product line 26% enterprise multi-agent orchestration within Azure and Microsoft environments	enterprise multi-agent orchestration within Azure and Microsoft environments	26%
5	LangChain 24% modular components and extensive integrations across complex pipelines	modular components and extensive integrations across complex pipelines	24%
6	AutoGen 24% multi-agent collaboration and conversational multi-agent system prototyping	multi-agent collaboration and conversational multi-agent system prototyping	24%
7	OpenAI 16% direct model endpoints providing zero data retention guarantees	direct model endpoints providing zero data retention guarantees	16%
8	LlamaIndex 14% built-in query transformations and advanced data retrieval pipelines	built-in query transformations and advanced data retrieval pipelines	14%
9	Microsoft Semantic Kernel 12% enterprise .NET and Python application middleware with plugin controls	enterprise .NET and Python application middleware with plugin controls	12%
10	Temporal 10% durable execution and long-running Python workflow orchestration	durable execution and long-running Python workflow orchestration	10%
11	Microsoft 9%		9%
12	LangSmithLangChain product line 9%		9%
13	n8n 8%		8%
14	Google Agent Development Kit (ADK)8%		8%
15	Anthropic 8%		8%
16	Dify 7%		7%
17	LlamaIndex WorkflowsLlamaIndex product line 7%		7%
18	Pydantic AIPydantic product line 7%		7%
19	Model Context Protocol 7%		7%
20	Langflow 6%		6%
21	PostgreSQL 6%		6%
22	Flowise 6%		6%
23	Model Context Protocol Registry 6%		6%
24	Browser Use 5%		5%
25	Microsoft AutoGen 5%		5%
26	Mastra 5%		5%
27	Mem0 5%		5%
28	PlaywrightMicrosoft product line 4%		4%
29	Letta 4%		4%
30	Stagehand 4%		4%
31	Artificial Analysis 4%		4%
32	Pydantic 4%		4%
33	Arize PhoenixArize AI product line 4%		4%
34	OpenTelemetry 3%		3%
35	pgvector 3%		3%
36	Botpress 3%		3%
37	AWSAmazon product line 3%		3%
38	LangMem 3%		3%
39	Pinecone 3%		3%
40	Microsoft AzureMicrosoft product line 2%		2%
41	Amazon BedrockAmazon product line 2%		2%
42	AG2 2%		2%
43	Microsoft Copilot StudioMicrosoft product line 2%		2%
44	Redis 2%		2%
45	Chatbot ArenaChatbot Arena product line 2%		2%
46	Firecrawl 2%		2%
47	Browserbase 2%		2%
48	Graphiti 2%		2%
49	Braintrust 2%		2%
50	MemGPT 2%		2%
51	DSPy 2%		2%
52	Meta AI 2%		2%
53	Agno 2%		2%
54	Rasa 2%		2%
55	Relevance AI 2%		2%
56	GeminiAlphabet product line 2%		2%
57	Qdrant 2%		2%
58	Mistral 2%		2%
59	Celery 2%		2%
60	Hugging Face Open LLM LeaderboardHugging Face product line 2%		2%
61	DeepEval 2%		2%
62	Langfuse 2%		2%
63	Vercel AI SDK 1%		1%
64	Google Cloud PlatformAlphabet product line 1%		1%
65	Microsoft FoundryMicrosoft product line 1%		1%
66	Tavily 1%		1%
67	Weaviate 1%		1%
68	Voiceflow 1%		1%
69	Azure OpenAI ServiceMicrosoft product line 1%		1%
70	MindStudio 1%		1%
71	QwenOwned by Alibaba Group 1%		1%
72	DeepSeek 1%		1%
73	Milvus 1%		1%
74	Prometheus 1%		1%
75	MLflow 1%		1%
76	Vertex AI Agent BuilderAlphabet product line 1%		1%
77	Kubernetes 1%		1%
78	Zep 1%		1%
79	Zapier 1%		1%
80	AutoGPT Platform 1%		1%
81	Prefect 1%		1%
82	Crawl4AI 1%		1%
83	OpenAI APIOpenAI product line 1%		1%
84	BenchLM 1%		1%
85	WhatLLM 1%		1%
86	Microsoft LearnMicrosoft product line 1%		1%
87	Vellum 1%		1%
88	IBM watsonx OrchestrateIBM product line 1%		1%
89	Gumloop 1%		1%
90	Phidata 1%		1%
91	Google Cloud Gemini Enterprise Agent PlatformAlphabet product line 1%		1%
92	Composio 1%		1%
93	Amazon Bedrock AgentCoreAmazon product line 1%		1%
94	Skyvern 1%		1%
95	SlackSalesforce product line 1%		1%
96	Selenium 1%		1%
97	Dask 1%		1%
98	Instructor 1%		1%
99	OpenAI PlatformOpenAI product line 1%		1%

Recommendations by AI engine

ChatGPT SearchGoogle AI Mode

Widest split: OpenAI Agents SDK, 48% on ChatGPT Search and 15% on Google AI Mode.

Mentioned in on each AI engine, by brand
Brand	ChatGPT Search	Google AI Mode
LangChain LangGraph	65%	70%
CrewAI	46%	51%
OpenAI Agents SDK	48%	15%
Microsoft Agent Framework	30%	23%
LangChain	22%	26%
AutoGen	21%	27%
OpenAI	20%	12%
LlamaIndex	15%	13%
Microsoft Semantic Kernel	10%	14%
Temporal	10%	9%

Questions by topic11

Multi-agent orchestration
- My goal is to create a team of specialized AI agents that collaborate. What is the best multi-agent system framework?
- I'm developing a platform for research that requires intricate agent interactions. Which frameworks are recommended for handling multi-agent orchestration and research workflows?
- What are the top-rated tools for managing workflows between multiple specialized AI agents?
- We are struggling to orchestrate multi-step tasks across different autonomous agents. Who offers a "multi-agent orchestration" framework?
- Which orchestration platform is best for multi-agent workflows?
Human-in-the-loop task orchestration
- I want to build a "human-in-the-loop" system where an agent can ask for help. What's the best framework for implementing agent-human handoffs?
Multi-step stateful task management
- I need a framework for building and evaluating complex LLM agent-based workflows with loops and tool usage.
Advanced RAG retrieval strategies
- What are the most effective advanced RAG retrieval strategies I can implement within my LLM agent framework?
LLM agent API tool reliability
- What metrics or frameworks should I use to measure the reliability of external API tools integrated into my LLM agent workflows?
- What are the standard frameworks or key performance indicators for evaluating the stability of third-party API tools within an LLM agent workflow?
- I need to monitor how dependable my LLM agent's external tool integrations are. What metrics or assessment frameworks are standard for this?
Agent memory integration
- I need to give my agent a long-term memory. What's the best framework for integrating both short-term and long-term memory solutions?
No-code and low-code AI agent building
- I'm looking for a low-code platform to build and host simple LLM agents. What is the best visual agent builder?
Conversational AI agent framework
- My goal is to create a customer service agent that can handle complex, multi-turn conversations. What's the best framework for conversational AI agents?
Devops agent framework for self-healing systems
- How can I implement autonomous agents to handle DevOps pipeline failures and infrastructure maintenance? Are there specific agent frameworks designed for this kind of self-healing automation?
Framework for parallel agent execution
- I need to run many agents in parallel for a data processing task. What framework has the best support for parallel agent execution?
Human-in-the-loop python orchestration libraries
- I need a specialized Python library for orchestrating "human-in-the-loop" review of AI tasks.

Which platform is the best for building AI agents that can interact with external APIs and tools?
The problem is, our agent is not reliable at using our internal APIs. What's the best framework for creating robust API tools for an LLM?
We are building an autonomous agent framework. Who offers orchestration tools for multi-agent systems?
My goal is to build an autonomous AI agent for web research. What's the best framework with built-in browser automation tools?
We need to build a system where agents can dynamically discover and use new tools. What's the best framework for dynamic tool discovery?
We are building a Retrieval Augmented Generation (RAG) system for trade secrets. Who ensures zero retention?
We are evaluating open-source vs. closed-source LLMs. Who offers performance vs. cost benchmarks?
I'm looking for a platform that lets non-technical users build their own AI agents. What is the best no-code agent platform?

Topic	LangChain LangGraph	CrewAI	LlamaIndex	n8n
Led by LangChain LangGraph 5
Human-in-the-loop python orchestration libraries				Not named
Human-in-the-loop task orchestration
Devops agent framework for self-healing systems
Multi-step stateful task management				Not named
Conversational AI agent framework				Not named
Led by CrewAI 2
Framework for parallel agent execution			Not named	Not named
Multi-agent orchestration
Led by LangChain 1
LLM agent API tool reliability	Not named	Not named	Not named	Not named
Led by LlamaIndex 1
Advanced RAG retrieval strategies		Not named		Not named
Led by n8n 1
No-code and low-code AI agent building			Not named
Led by other brands 1
Agent memory integration				Not named

Topic	LangChain LangGraph	CrewAI	LlamaIndex	n8n
Led by LangChain LangGraph 5
Human-in-the-loop python orchestration libraries				Not named
Human-in-the-loop task orchestration
Devops agent framework for self-healing systems
Multi-step stateful task management				Not named
Conversational AI agent framework				Not named
Led by CrewAI 2
Framework for parallel agent execution			Not named	Not named
Multi-agent orchestration
Led by LangChain 1
LLM agent API tool reliability	Not named	Not named	Not named	Not named
Led by LlamaIndex 1
Advanced RAG retrieval strategies		Not named		Not named
Led by n8n 1
No-code and low-code AI agent building			Not named
Led by other brands 1
Agent memory integration				Not named

LLM Agent Frameworks and Tooling in AI answers

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