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The 32 best AI agent frameworks (2026)

Updated 12 November 202627 prices checked 22 October–12 November 2026Reviewed by Team AgentsIndex

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How we check

32 tools

All Agent frameworks tools

Code libraries for building agents that plan, call tools, remember and work together.

$29 a month

Median first paid plan across the 10 of 32 tools that publish a monthly price. They run from $5.99 to $250.

$5$10$20$50$100$200$5003 tools at $19.99–$20$5$10$20$50$100$200$5003 tools at $19.99–$20

Each cell here is one tool

What the 32 offer

YesIn partNo or not listed

Each cell is about 2 tools

November in AI agent frameworks

See where each price was read
Prices checked
27 of 32 tools, on their own pricing pages
Last checked
12 Nov oldest check 19 Aug
AI agent frameworks compared
ToolStarting priceMCP serverAPIOpen sourceSelf-host
Botpress+MCP +API ~OPEN -SELF
Free
  • Yes: yes
  • Yes: yes
  • Partly: partly
  • No: no
Agentforce+MCP +API ~OPEN -SELF
From $2 per outcome
  • Yes: yes
  • Yes: yes
  • Partly: partly
  • No: no
Dify+MCP +API ~OPEN +SELF
Free, then $59 a month
  • Yes: yes
  • Yes: yes
  • Partly: partly
  • Yes: yes
Orkas?MCP +API +OPEN +SELF
Free, then $5.99 a month
  • Not stated: not stated
  • Yes: yes
  • Yes: yes
  • Yes: yes
5dive+MCP ?API +OPEN +SELF
Free
  • Yes: yes
  • Not stated: not stated
  • Yes: yes
  • Yes: yes
Agency Swarm+MCP +API +OPEN +SELF
Free
  • Yes: yes
  • Yes: yes
  • Yes: yes
  • Yes: yes
AutoGen~MCP +API +OPEN ?SELF
Free
  • Partly: partly
  • Yes: yes
  • Yes: yes
  • Not stated: not stated
Haystack+MCP +API +OPEN +SELF
Free
  • Yes: yes
  • Yes: yes
  • Yes: yes
  • Yes: yes
Mastra+MCP +API +OPEN +SELF
Free, then $250 a month
  • Yes: yes
  • Yes: yes
  • Yes: yes
  • Yes: yes
MetaGPT+MCP +API +OPEN +SELF
Free
  • Yes: yes
  • Yes: yes
  • Yes: yes
  • Yes: yes
NVIDIA NeMo Guardrails~MCP +API +OPEN +SELF
Free
  • Partly: partly
  • Yes: yes
  • Yes: yes
  • Yes: yes
Semantic Kernel?MCP +API +OPEN ?SELF
No list price
  • Not stated: not stated
  • Yes: yes
  • Yes: yes
  • Not stated: not stated
Agno+MCP +API ~OPEN +SELF
Free, then $150 a month
  • Yes: yes
  • Yes: yes
  • Partly: partly
  • Yes: yes
Dust?MCP +API +OPEN ?SELF
Free, then about $33 a seat a month
  • Not stated: not stated
  • Yes: yes
  • Yes: yes
  • Not stated: not stated
Pragor+MCP +API ?OPEN +SELF
Free
  • Yes: yes
  • Yes: yes
  • Not stated: not stated
  • Yes: yes
Arcade+MCP +API ~OPEN +SELF
Free, then $25 a month
  • Yes: yes
  • Yes: yes
  • Partly: partly
  • Yes: yes
LangGraph+MCP +API ~OPEN +SELF
Free
  • Yes: yes
  • Yes: yes
  • Partly: partly
  • Yes: yes
LangSmith Deployment (formerly LangGraph Platform)+MCP +API ~OPEN +SELF
Free, then $39 a seat a month
  • Yes: yes
  • Yes: yes
  • Partly: partly
  • Yes: yes
Gemini Enterprise Agent Platform?MCP +API +OPEN ?SELF
No list price
  • Not stated: not stated
  • Yes: yes
  • Yes: yes
  • Not stated: not stated
CAMEL-AI?MCP ?API +OPEN +SELF
Free
  • Not stated: not stated
  • Not stated: not stated
  • Yes: yes
  • Yes: yes
CrewAI+MCP +API +OPEN +SELF
Free
  • Yes: yes
  • Yes: yes
  • Yes: yes
  • Yes: yes
Google ADK?MCP ?API +OPEN +SELF
No list price
  • Not stated: not stated
  • Not stated: not stated
  • Yes: yes
  • Yes: yes
Goose (Block)?MCP ?API +OPEN ?SELF
Free
  • Not stated: not stated
  • Not stated: not stated
  • Yes: yes
  • Not stated: not stated
Hermes Agent+MCP +API +OPEN +SELF
Free, then $20 a month
  • Yes: yes
  • Yes: yes
  • Yes: yes
  • Yes: yes
Inspect?MCP ?API +OPEN +SELF
Free
  • Not stated: not stated
  • Not stated: not stated
  • Yes: yes
  • Yes: yes
Open WebUI?MCP +API ~OPEN +SELF
Free
  • Not stated: not stated
  • Yes: yes
  • Partly: partly
  • Yes: yes
Pydantic AI~MCP +API +OPEN ?SELF
Free
  • Partly: partly
  • Yes: yes
  • Yes: yes
  • Not stated: not stated
Agent.ai?MCP ?API ?OPEN +SELF
No list price
  • Not stated: not stated
  • Not stated: not stated
  • Not stated: not stated
  • Yes: yes
Letta-MCP +API +OPEN ?SELF
Free, then $20 a seat a month
  • No: no
  • Yes: yes
  • Yes: yes
  • Not stated: not stated
Swarms?MCP ?API +OPEN ?SELF
Free, then $19.99 a month
  • Not stated: not stated
  • Not stated: not stated
  • Yes: yes
  • Not stated: not stated
ReadyOpenClaw?MCP ?API ?OPEN ?SELF
No list price
  • Not stated: not stated
  • Not stated: not stated
  • Not stated: not stated
  • Not stated: not stated
Vapi+MCP +API ~OPEN ?SELF
From $0.05 per minute
  • Yes: yes
  • Yes: yes
  • Partly: partly
  • Not stated: not stated

agentsindex.ai · All 32 AI agent frameworks we list.

How we check

This is one of the largest categories in the index. 25 of the 32 tools here have a free plan, against 51% across the index. 20 are open source, against 23% across the index.

About agent frameworks

Can you use agent frameworks for free?

25 of the 32 have a free plan. 10 of the 32 publish a monthly price: the first paid plan runs from $5.99 to $250 a month, with a median of $29. The other 22 publish no monthly price.

Can you self-host agent frameworks?

20 of the 32 listed here are open source: 5dive, Agency Swarm (MIT), AutoGen (CC-BY-4.0), CAMEL-AI (Apache-2.0), CrewAI (MIT), Dust (MIT), Gemini Enterprise Agent Platform, Google ADK (Apache-2.0) and 12 more. 9 more are partly open source: Agentforce, Agno (Apache-2.0), Arcade, Botpress (MIT), Dify, LangGraph (MIT), LangSmith Deployment (formerly LangGraph Platform), Open WebUI and 1 more.

Which agent frameworks have an MCP server?

16 of the 32 have an MCP server: 5dive, Agency Swarm, Agentforce, Agno, Arcade, Botpress, CrewAI, Dify and 8 more. 3 more have one in part: AutoGen, NVIDIA NeMo Guardrails and Pydantic AI.

How fast do agent frameworks change?

The latest pushes to their public code: Mastra (15 October 2026), Pydantic AI (15 October 2026), Dify (15 October 2026).

Sources and method

Tools rank higher the more we can confirm: a public price, an API and docs, sources, stated limits. How we check

Prices are taken from each vendor's pricing page.

All 27 sources