Best Agent frameworks & automation
Last updated · 6 tools · How we rank
Mastra is the best agent framework for TypeScript (open source, Apache 2.0). LangGraph is best for durable, stateful Python agents. The Vercel AI SDK is the simplest way to build streaming chat UIs with tool calls. n8n is the best visual automation tool with AI nodes (self-hostable; cloud from €20/mo billed annually). CrewAI is fastest for prototyping multi-agent crews.
Numptr's pick
Mastra
The most complete TypeScript agent kit. Workflows, memory, evals, sorted.
- Best for
- Production TypeScript agents
- Free tier
- Framework free (Apache 2.0); Cloud Starter $0/mo
- Pricing
- Cloud Teams $250/mo; Enterprise custom
Full reviewOfficial site ↗Checked 2026-10-14
The alternatives, compared
Tap a row for free tier, full pricing and sources.
02LangGraphComplex stateful agentsLangSmith Plus $39/seat/mo + usage
For Python workflows that branch like a family tree.
- Best for
- Complex stateful agents
- Free tier
- Framework open source; LangSmith Developer $0 (1 seat)
- Pricing
- LangSmith Plus $39/seat/mo + usage; Enterprise custom
- Checked
- 2026-10-14 · pricing source ↗
03Vercel AI SDKChat UIs, simple tool-callingFree (you pay your model provider)
Easiest way to get a streaming chat UI going. Free, too.
- Best for
- Chat UIs, simple tool-calling
- Free tier
- Open source, free
- Pricing
- Free (you pay your model provider)
- Checked
- 2026-10-14 · pricing source ↗
04n8nAutomations gluing APIs and LLMsCloud Starter €20/mo and Pro €50/mo (billed annually)
Drag-and-drop automation with proper AI bits. Self-host for nowt.
- Best for
- Automations gluing APIs and LLMs
- Free tier
- Self-hosted Community Edition free; Cloud free trial (no card)
- Pricing
- Cloud Starter €20/mo and Pro €50/mo (billed annually); Business €667/mo (annual)
- Checked
- 2026-10-14 · pricing source ↗
05CrewAIPython multi-agent prototypesEnterprise custom
Knock up a crew of agents before your tea's gone cold.
- Best for
- Python multi-agent prototypes
- Free tier
- Open-source framework; platform Basic free (50 workflow executions/mo)
- Pricing
- Enterprise custom
- Checked
- 2026-10-14 · pricing source ↗
06Genkit DartFlutter devs adding AI features and agentsFree (you pay your model provider)
Finally, agents for Flutter folk. Just hit 1.0.
- Best for
- Flutter devs adding AI features and agents
- Free tier
- Open source, free
- Pricing
- Free (you pay your model provider)
- Checked
- 2026-10-14 · pricing source ↗
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