# The 32 best AI agent frameworks (2026) > Source: https://agentsindex.ai/categories/agent-frameworks Updated 12 November 2026 27 prices checked 22 October–12 November 2026 Reviewed by Team AgentsIndex Sort [How we check](https://agentsindex.ai/methodology) 32 tools - [Botpress](https://agentsindex.ai/botpress) · AI support agents and a built-in helpdesk, priced per conversation with no per-seat fee and AI usage included. · Free Checked 1 Nov · Freemium GDPR SOC 2 · [Visit](https://agentsindex.ai/go/botpress) - MCP server - API - Open source - Self-host - [Agentforce](https://agentsindex.ai/salesforce-agentforce) · Salesforce's platform for building and running AI agents across service, sales and employee support. · From $2 per outcome Checked 25 Oct · Freemium ISO 27001 SOC 2 · [Visit](https://agentsindex.ai/go/salesforce-agentforce) - MCP server - API - Open source - Self-host - [Dify](https://agentsindex.ai/dify) · Open-source platform for building agents, agentic workflows and RAG pipelines, on cloud or self-hosted. · Free, then $59 a month Checked 22 Oct · Freemium · [Visit](https://agentsindex.ai/go/dify) - MCP server - API - Open source - Self-host - [Orkas](https://agentsindex.ai/orkas) · Open-source, local-first desktop app where a Commander agent coordinates a team of specialist AI agents. · Free, then $5.99 a month Checked 12 Nov · BYOK Freemium Local AI · [Visit](https://agentsindex.ai/go/orkas) - MCP server - API - Open source - Self-host - [5dive](https://agentsindex.ai/5dive) · The team behind 5dive runs this listing · Hire a team of always-on AI agents that run on a server you own, managed or self-hosted under MIT. · Free Checked 3 Nov · BYOK GDPR · [Visit](https://agentsindex.ai/go/5dive) - MCP server - API - Open source - Self-host - [Agency Swarm](https://agentsindex.ai/agency-swarm) · MIT-licensed Python framework on the OpenAI Agents SDK that models multi-agent systems as agencies with defined roles. · Free Checked 3 Nov · [Visit](https://agentsindex.ai/go/agency-swarm) - MCP server - API - Open source - Self-host - [AutoGen](https://agentsindex.ai/autogen) · Microsoft's archived Python framework for multi-agent AI apps, with a no-code Studio UI on top. · Free Checked 28 Oct · [Visit](https://agentsindex.ai/go/autogen) - MCP server - API - Open source - Self-host - [Haystack](https://agentsindex.ai/haystack) · Apache-2.0 Python framework from deepset for composing agents and RAG as modular, serializable pipelines. · Free Checked 7 Nov · [Visit](https://agentsindex.ai/go/haystack) - MCP server - API - Open source - Self-host - [Mastra](https://agentsindex.ai/mastra) · Open-source TypeScript agent framework with built-in memory, workflows, evals and tracing, plus a hosted platform. · Free, then $250 a month Checked 2 Nov · [Visit](https://agentsindex.ai/go/mastra) - MCP server - API - Open source - Self-host - [MetaGPT](https://agentsindex.ai/metagpt) · Python multi-agent framework that assigns GPT roles the SOPs of a software company. · Free Checked 28 Oct · Freemium · [Visit](https://agentsindex.ai/go/metagpt) - MCP server - API - Open source - Self-host - [NVIDIA NeMo Guardrails](https://agentsindex.ai/nvidia-nemo-guardrails) · Open-source Python library from NVIDIA that adds programmable input, dialog and output rails to LLM apps. · Free Checked 11 Nov · [Visit](https://agentsindex.ai/go/nvidia-nemo-guardrails) - MCP server - API - Open source - Self-host - [Semantic Kernel](https://agentsindex.ai/semantic-kernel) · A framework that turns prompts and APIs into function calls. · No list price Checked 19 Aug · [Visit](https://agentsindex.ai/go/semantic-kernel) - MCP server - API - Open source - Self-host - [Agno](https://agentsindex.ai/agno) · Open-source Python agent SDK and AgentOS runtime you run in your own cloud, with a paid hosted control plane. · Free, then $150 a month Checked 3 Nov · Freemium Private AI · [Visit](https://agentsindex.ai/go/agno) - MCP server - API - Open source - Self-host - [Dust](https://agentsindex.ai/dust) · AI agents connected to company data and tools. · Free, then about $33 a seat a month Checked 1 Nov · HIPAA Zero data retention · [Visit](https://agentsindex.ai/go/dust) - MCP server - API - Open source - Self-host - [Pragor](https://agentsindex.ai/pragor) · The team behind Pragor runs this listing · A shared operations board that coordinates AI agents from any framework with approvals and audit history. · Free Checked 30 Oct · Freemium · [Visit](https://agentsindex.ai/go/pragor) - MCP server - API - Open source - Self-host - [Arcade](https://agentsindex.ai/arcade-dev) · Actions runtime that handles OAuth, per-user authorization and governance for every tool call an AI agent makes. · Free, then $25 a month Checked 4 Nov · Freemium · [Visit](https://agentsindex.ai/go/arcade-dev) - MCP server - API - Open source - Self-host - [LangGraph](https://agentsindex.ai/langgraph) · Low-level, MIT-licensed orchestration framework and runtime for stateful, controllable agents from LangChain. · Free Checked 10 Nov · [Visit](https://agentsindex.ai/go/langgraph) - MCP server - API - Open source - Self-host - [LangSmith Deployment (formerly LangGraph Platform)](https://agentsindex.ai/langgraph-platform) · Framework-agnostic runtime for long-running agents, with durable execution, state and 30+ API endpoints. · Free, then $39 a seat a month Checked 1 Nov · Freemium HIPAA · [Visit](https://agentsindex.ai/go/langgraph-platform) - MCP server - API - Open source - Self-host - [Gemini Enterprise Agent Platform](https://agentsindex.ai/vertex-ai-agent-builder) · Google Cloud platform for building and governing enterprise AI agents. · No list price Checked 12 Nov · Freemium Free trial · [Visit](https://agentsindex.ai/go/vertex-ai-agent-builder) - MCP server - API - Open source - Self-host - [CAMEL-AI](https://agentsindex.ai/camel-ai) · Open-source framework for code-first, stateful agent workflows. · Free Checked 28 Oct · [Visit](https://agentsindex.ai/go/camel-ai) - MCP server - API - Open source - Self-host - [CrewAI](https://agentsindex.ai/crewai) · Open-source Python multi-agent framework with a hosted platform for deploying and governing crews. · Free Checked 27 Oct · Freemium · [Visit](https://agentsindex.ai/go/crewai) - MCP server - API - Open source - Self-host - [Google ADK](https://agentsindex.ai/google-adk) · Agent framework for building and running production agents. · No list price Checked 21 Aug · [Visit](https://agentsindex.ai/go/google-adk) - MCP server - API - Open source - Self-host - [Goose (Block)](https://agentsindex.ai/goose-block) · A local AI agent for code, research, writing, and automation. · Free Checked 28 Oct · BYOK Local AI · [Visit](https://agentsindex.ai/go/goose-block) - MCP server - API - Open source - Self-host - [Hermes Agent](https://agentsindex.ai/hermes-agent) · Nous Research agent you can message from 20+ chat apps that turns its own experience into reusable skills. · Free, then $20 a month Checked 7 Nov · [Visit](https://agentsindex.ai/go/hermes-agent) - MCP server - API - Open source - Self-host - [Inspect](https://agentsindex.ai/inspect-ai) · Open-source Python framework for evaluating LLMs and agents, from the UK AI Security Institute. · Free Checked 27 Oct · [Visit](https://agentsindex.ai/go/inspect-ai) - MCP server - API - Open source - Self-host - [Open WebUI](https://agentsindex.ai/openwebui) · Self-hosted AI chat platform that connects to local or cloud models and extends with Python tools and functions. · Free Checked 12 Nov · EU AI Act · [Visit](https://agentsindex.ai/go/openwebui) - MCP server - API - Open source - Self-host - [Pydantic AI](https://agentsindex.ai/pydanticai) · Python framework for typed agents with validated outputs and swappable model providers. · Free Checked 29 Oct · [Visit](https://agentsindex.ai/go/pydanticai) - MCP server - API - Open source - Self-host - [Agent.ai](https://agentsindex.ai/agent-ai) · A marketplace for discovering and combining AI agents into workflows. · No list price Checked 28 Aug · [Visit](https://agentsindex.ai/go/agent-ai) - MCP server - API - Open source - Self-host - [Letta](https://agentsindex.ai/letta) · Stateful agent harness with git-versioned memory, from the researchers behind MemGPT. · Free, then $20 a seat a month Checked 28 Oct · Free Freemium · [Visit](https://agentsindex.ai/go/letta) - MCP server - API - Open source - Self-host - [Swarms](https://agentsindex.ai/swarms) · Open-source multi-agent framework, hosted API, agent marketplace, and AgentHQ agent-office product. · Free, then $19.99 a month Checked 24 Oct · Freemium · [Visit](https://agentsindex.ai/go/swarms) - MCP server - API - Open source - Self-host - [ReadyOpenClaw](https://agentsindex.ai/readyopenclaw) · The team behind ReadyOpenClaw runs this listing · Managed VPS for always-on AI agents with browser-based control. · No list price Checked 5 Oct · BYOK Free trial No credit card · [Visit](https://agentsindex.ai/go/readyopenclaw) - MCP server - API - Open source - Self-host - [Vapi](https://agentsindex.ai/vapi) · Developer platform for configuring and operating real-time phone and web voice agents. · From $0.05 per minute Checked 29 Oct · BYOK HIPAA Zero data retention · [Visit](https://agentsindex.ai/go/vapi) - MCP server - API - Open source - Self-host - List your tool · 32 tools in Agent frameworks · [Submit your tool](https://agentsindex.ai/submit) - Every fact sourced to your own pages - Edit it from your dashboard 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. Each cell here is one tool ## What the 32 offer Yes In part No or not listed Each cell is about 2 tools - [Free to start](https://agentsindex.ai/categories/agent-frameworks?filter=free#list) **25** of 32 - [MCP server](https://agentsindex.ai/categories/agent-frameworks?filter=mcp-server#list) **16** of 32 3 in part - [API](https://agentsindex.ai/categories/agent-frameworks?filter=api#list) **24** of 32 - [Open source](https://agentsindex.ai/categories/agent-frameworks?filter=open-source#list) **20** of 32 9 in part - [Self-host](https://agentsindex.ai/categories/agent-frameworks?filter=self-host#list) **20** of 32 ## November in AI agent frameworks [See where each price was read](#sources) - Prices checked: **27** of 32 tools, on their own pricing pages - Last checked: **12 Nov** oldest check 19 Aug AI agent frameworks compared Tool Starting price MCP server API Open source Self-host [Botpress](https://agentsindex.ai/botpress)`+MCP +API ~OPEN -SELF` Free - Yes: yes - Yes: yes - Partly: partly - No: no [Agentforce](https://agentsindex.ai/salesforce-agentforce)`+MCP +API ~OPEN -SELF` From $2 per outcome - Yes: yes - Yes: yes - Partly: partly - No: no [Dify](https://agentsindex.ai/dify)`+MCP +API ~OPEN +SELF` Free, then $59 a month - Yes: yes - Yes: yes - Partly: partly - Yes: yes [Orkas](https://agentsindex.ai/orkas)`?MCP +API +OPEN +SELF` Free, then $5.99 a month - Not stated: not stated - Yes: yes - Yes: yes - Yes: yes [5dive](https://agentsindex.ai/5dive)`+MCP?API +OPEN +SELF` Free - Yes: yes - Not stated: not stated - Yes: yes - Yes: yes [Agency Swarm](https://agentsindex.ai/agency-swarm)`+MCP +API +OPEN +SELF` Free - Yes: yes - Yes: yes - Yes: yes - Yes: yes [AutoGen](https://agentsindex.ai/autogen)`~MCP +API +OPEN?SELF` Free - Partly: partly - Yes: yes - Yes: yes - Not stated: not stated [Haystack](https://agentsindex.ai/haystack)`+MCP +API +OPEN +SELF` Free - Yes: yes - Yes: yes - Yes: yes - Yes: yes [Mastra](https://agentsindex.ai/mastra)`+MCP +API +OPEN +SELF` Free, then $250 a month - Yes: yes - Yes: yes - Yes: yes - Yes: yes [MetaGPT](https://agentsindex.ai/metagpt)`+MCP +API +OPEN +SELF` Free - Yes: yes - Yes: yes - Yes: yes - Yes: yes [NVIDIA NeMo Guardrails](https://agentsindex.ai/nvidia-nemo-guardrails)`~MCP +API +OPEN +SELF` Free - Partly: partly - Yes: yes - Yes: yes - Yes: yes [Semantic Kernel](https://agentsindex.ai/semantic-kernel)`?MCP +API +OPEN?SELF` No list price - Not stated: not stated - Yes: yes - Yes: yes - Not stated: not stated [Agno](https://agentsindex.ai/agno)`+MCP +API ~OPEN +SELF` Free, then $150 a month - Yes: yes - Yes: yes - Partly: partly - Yes: yes [Dust](https://agentsindex.ai/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](https://agentsindex.ai/pragor)`+MCP +API?OPEN +SELF` Free - Yes: yes - Yes: yes - Not stated: not stated - Yes: yes [Arcade](https://agentsindex.ai/arcade-dev)`+MCP +API ~OPEN +SELF` Free, then $25 a month - Yes: yes - Yes: yes - Partly: partly - Yes: yes [LangGraph](https://agentsindex.ai/langgraph)`+MCP +API ~OPEN +SELF` Free - Yes: yes - Yes: yes - Partly: partly - Yes: yes [LangSmith Deployment (formerly LangGraph Platform)](https://agentsindex.ai/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](https://agentsindex.ai/vertex-ai-agent-builder)`?MCP +API +OPEN?SELF` No list price - Not stated: not stated - Yes: yes - Yes: yes - Not stated: not stated [CAMEL-AI](https://agentsindex.ai/camel-ai)`?MCP?API +OPEN +SELF` Free - Not stated: not stated - Not stated: not stated - Yes: yes - Yes: yes [CrewAI](https://agentsindex.ai/crewai)`+MCP +API +OPEN +SELF` Free - Yes: yes - Yes: yes - Yes: yes - Yes: yes [Google ADK](https://agentsindex.ai/google-adk)`?MCP?API +OPEN +SELF` No list price - Not stated: not stated - Not stated: not stated - Yes: yes - Yes: yes [Goose (Block)](https://agentsindex.ai/goose-block)`?MCP?API +OPEN?SELF` Free - Not stated: not stated - Not stated: not stated - Yes: yes - Not stated: not stated [Hermes Agent](https://agentsindex.ai/hermes-agent)`+MCP +API +OPEN +SELF` Free, then $20 a month - Yes: yes - Yes: yes - Yes: yes - Yes: yes [Inspect](https://agentsindex.ai/inspect-ai)`?MCP?API +OPEN +SELF` Free - Not stated: not stated - Not stated: not stated - Yes: yes - Yes: yes [Open WebUI](https://agentsindex.ai/openwebui)`?MCP +API ~OPEN +SELF` Free - Not stated: not stated - Yes: yes - Partly: partly - Yes: yes [Pydantic AI](https://agentsindex.ai/pydanticai)`~MCP +API +OPEN?SELF` Free - Partly: partly - Yes: yes - Yes: yes - Not stated: not stated [Agent.ai](https://agentsindex.ai/agent-ai)`?MCP?API?OPEN +SELF` No list price - Not stated: not stated - Not stated: not stated - Not stated: not stated - Yes: yes [Letta](https://agentsindex.ai/letta)`-MCP +API +OPEN?SELF` Free, then $20 a seat a month - No: no - Yes: yes - Yes: yes - Not stated: not stated [Swarms](https://agentsindex.ai/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](https://agentsindex.ai/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](https://agentsindex.ai/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](https://agentsindex.ai/methodology) 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](https://agentsindex.ai/methodology) Prices are taken from each vendor's pricing page. - [5dive](https://agentsindex.ai/5dive): [5dive.ai](https://5dive.ai/), checked 3 November 2026 - [Agency Swarm](https://agentsindex.ai/agency-swarm): [agency-swarm.ai/welcome/overview](https://agency-swarm.ai/welcome/overview), checked 3 November 2026 - [Agentforce](https://agentsindex.ai/salesforce-agentforce): [salesforce.com/agentforce/pricing](https://www.salesforce.com/agentforce/pricing/), checked 25 October 2026 - [Agno](https://agentsindex.ai/agno): [agno.com/pricing](https://www.agno.com/pricing), checked 3 November 2026 - [Arcade](https://agentsindex.ai/arcade-dev): [arcade.dev/pricing](https://www.arcade.dev/pricing/), checked 4 November 2026 - [AutoGen](https://agentsindex.ai/autogen): [github.com/microsoft/autogen](https://github.com/microsoft/autogen), checked 28 October 2026 All 27 sources - [Botpress](https://agentsindex.ai/botpress): [botpress.com/pricing](https://botpress.com/pricing), checked 1 November 2026 - [CAMEL-AI](https://agentsindex.ai/camel-ai): [camel-ai.org](https://www.camel-ai.org/), checked 28 October 2026 - [CrewAI](https://agentsindex.ai/crewai): [crewai.com/pricing](https://crewai.com/pricing), checked 27 October 2026 - [Dify](https://agentsindex.ai/dify): [dify.ai/pricing](https://dify.ai/pricing), checked 22 October 2026 - [Dust](https://agentsindex.ai/dust): [dust.tt/home/pricing](https://dust.tt/home/pricing), checked 1 November 2026 - [Goose (Block)](https://agentsindex.ai/goose-block): [goose-docs.ai](https://goose-docs.ai/), checked 28 October 2026 - [Haystack](https://agentsindex.ai/haystack): [haystack.deepset.ai](https://haystack.deepset.ai/), checked 7 November 2026 - [Hermes Agent](https://agentsindex.ai/hermes-agent): [hermes-agent.nousresearch.com](https://hermes-agent.nousresearch.com/), checked 7 November 2026 - [Inspect](https://agentsindex.ai/inspect-ai): [github.com/UKGovernmentBEIS/inspect_ai/blob/main/LICENSE](https://github.com/UKGovernmentBEIS/inspect_ai/blob/main/LICENSE), checked 27 October 2026 - [LangGraph](https://agentsindex.ai/langgraph): [langchain.com/langgraph](https://www.langchain.com/langgraph), checked 10 November 2026 - [LangSmith Deployment (formerly LangGraph Platform)](https://agentsindex.ai/langgraph-platform): [langchain.com/pricing](https://www.langchain.com/pricing), checked 1 November 2026 - [Letta](https://agentsindex.ai/letta): [docs.letta.com/pricing](https://docs.letta.com/pricing), checked 28 October 2026 - [Mastra](https://agentsindex.ai/mastra): [mastra.ai/pricing](https://mastra.ai/pricing), checked 2 November 2026 - [MetaGPT](https://agentsindex.ai/metagpt): [github.com/geekan/MetaGPT](https://github.com/geekan/MetaGPT), checked 28 October 2026 - [NVIDIA NeMo Guardrails](https://agentsindex.ai/nvidia-nemo-guardrails): [github.com/NVIDIA-NeMo/Guardrails](https://github.com/NVIDIA-NeMo/Guardrails), checked 11 November 2026 - [Open WebUI](https://agentsindex.ai/openwebui): [docs.openwebui.com/enterprise](https://docs.openwebui.com/enterprise/), checked 12 November 2026 - [Orkas](https://agentsindex.ai/orkas): [orkas.ai/pricing](https://orkas.ai/pricing/), checked 12 November 2026 - [Pragor](https://agentsindex.ai/pragor): [pragor.net/pricing](https://pragor.net/pricing), checked 30 October 2026 - [Pydantic AI](https://agentsindex.ai/pydanticai): [raw.githubusercontent.com/pydantic/pydantic-ai/main/LICENSE](https://raw.githubusercontent.com/pydantic/pydantic-ai/main/LICENSE), checked 29 October 2026 - [Swarms](https://agentsindex.ai/swarms): [swarms.ai/pricing](https://www.swarms.ai/pricing), checked 24 October 2026 - [Vapi](https://agentsindex.ai/vapi): [vapi.ai/pricing](https://vapi.ai/pricing), checked 29 October 2026