Las mejores plataformas de Frameworks de agentes de IA en 2026: precios y características
Frameworks (LangChain, LlamaIndex, Mastra) para construir agentes con tools, memoria y orquestación. Compara las 3 plataformas de frameworks de agentes de ia del catálogo Staxly: CrewAI, LangChain, LlamaIndex. Las opciones con tier gratuito incluyen CrewAI, LangChain, LlamaIndex. Los planes pagos arrancan desde $39/mes con LangChain. Los datos provienen directamente de la documentación oficial de cada vendor — sin alucinaciones de LLM.
AI Agent Frameworks (3 platforms compared). Frameworks (LangChain, LlamaIndex, Mastra) for building agents with tools, memory, and orchestration. Browse pricing tiers, free-tier limits, and feature counts side-by-side. Every figure is sourced from vendor docs and reviewed by a human — no LLM guesswork.
Data sourced from vendor documentation · Last updated June 2026
AI agent frameworks provide the plumbing for building LLM-powered agents with tool use, memory, and multi-step orchestration. Evaluate language support, built-in tool integrations, memory backends, and how opinionated the framework is about agent architecture.
Comparison table
| Platform | Tagline | Pricing | Features | |
|---|---|---|---|---|
| CrewAI | Role-playing multi-agent framework — agents that work together | Free tier | 11 | |
| LangChain | The framework for building LLM apps — chains, agents, RAG, LangGraph | Free + from $39/mo | 18 | |
| LlamaIndex | Data framework for LLMs — RAG-first with LlamaCloud + LlamaParse | Free tier | 16 |