OpenAI AgentKitの代替（2026）
OpenAI AgentKitの開始価格は Not published です。下の製品は同じカテゴリに載っています。
1
Dify
Dify is a platform for building AI apps: workflows, agents, and knowledge bases. Cloud has a free Sandbox. The community edition can be self-hosted. It is a builder, not a finished receptionist or recruiter.
料金: Free, then $59/workspace/mo. 向いている用途: Teams that want to host the agent builder themselves.
ほかのリスト AIエージェントを作るプラットフォーム.
2
Google Agent Builder
Google Cloud's page now titles this product Gemini Enterprise Agent Platform and says developers use it to build, scale, govern, and optimize agents. It includes Agent Studio, the Agent Development Kit, Model Garden, and notebooks connected to BigQuery.
料金: From $0.0001 per 1,000 characters. 向いている用途: Developers building enterprise agents on Google Cloud
ほかのリスト AIエージェントを作るプラットフォーム.
3
Gumloop
Gumloop lets teams describe work in plain language and get agents that connect to company apps, run on triggers, and produce files or web apps. It says agents are model-agnostic and that enterprise controls include SSO, audit logs, usage monitoring, and VPC deployment.
料金: From $37/mo. 向いている用途: Teams that want shared AI agents on tools such as Slack, Gmail, Salesforce, and HubSpot, with IT oversight.
ほかのリスト AIエージェントを作るプラットフォーム.
4
Lindy
Lindy is a shared AI teammate in Slack, email, and iMessage that can research, draft, update tools, and take meeting notes. It ships with 40+ skills and says it connects to 1,000+ tools plus MCP. Actions that send or write wait for approval.
料金: From $29.99/user/mo. 向いている用途: Teams that want one assistant in Slack with a shared credit pool and an approval step before it sends or changes anything.
ほかのリスト AIエージェントを作るプラットフォーム.
5
Microsoft Copilot Studio
Microsoft's page says Copilot Studio is a no-code platform for custom agents, workflows, and apps, with connectors, MCP servers, and multi-agent orchestration. Agents can answer questions, take actions, or plan and escalate on their own, and can be published to Microsoft 365 Copilot, Teams, and websites.
料金: From $200/pack/mo. 向いている用途: Organizations building governed agents on Microsoft 365 and Azure
ほかのリスト AIエージェントを作るプラットフォーム.
6
MindStudio
MindStudio's homepage says you design, build, and deploy AI agents in a visual builder with no coding required, and that the builder is extensible with code. It lists more than 200 AI models and more than 1,000 pre-built integrations.
料金: Free, then $20/mo. 向いている用途: Non-developers building visual AI agents for a team
ほかのリスト AIエージェントを作るプラットフォーム.
7
n8n
n8n is a workflow and AI-agent platform that can be built visually or with JavaScript and Python, and deployed on n8n Cloud or on your own infrastructure, including air-gapped. It charges for a full workflow execution rather than for each step, and a standard self-hosted Community Edition is on GitHub.
料金: €20/mo billed annually. 向いている用途: Technical teams that want source-available automation they can host themselves.
ほかのリスト AIエージェントを作るプラットフォーム.
8
Relevance AI
Relevance AI's homepage describes Invent as a way for teams to turn expertise into agents, with an embedded deployment team and a path from assisted AI to more autonomous workforces. It says agents run on company data with access controls, audit trails, and human approval.
料金: Not published. 向いている用途: Enterprise teams deploying specialist agents with a vendor implementation team
ほかのリスト AIエージェントを作るプラットフォーム.
9
Stack AI
Stack AI's homepage says IT teams use it to orchestrate, deploy, govern, and scale agents, including on a VPC or on premises. The page lists agentic workflows, human review, audit logs, and more than 300 enterprise integrations.
料金: Free, then custom. 向いている用途: IT teams that need governed enterprise agents and a custom contract
ほかのリスト AIエージェントを作るプラットフォーム.
10
Zapier Agents
Zapier's Agents page says you create teammates that use company knowledge and do work across 9,000+ apps, on command or on a schedule. Example agents on the page enrich leads, answer an IT Slack channel, and draft support email.
料金: Free, then about $33.33/mo. 向いている用途: Teams that already automate work in Zapier and want an AI teammate on those apps
ほかのリスト AIエージェントを作るプラットフォーム.