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Arbituro vs Mastra
Short answer: Pick Arbituro if you want governed AI agents for enterprise work; pick Mastra if you want typed AI agents with built-in observability. Arbituro has a free plan; Mastra has a free plan, paid from $250/month.
Which to pick
Pick Arbituro if you want…
- Governed AI agents for enterprise work
- Integrations with Microsoft 365, Google Workspace or Slack (on Arbituro's list, not Mastra's)
Pick Mastra if you want…
- Typed AI agents with built-in observability
- TypeScript agent development
- Integrations with React, Next.js or Node (on Mastra's list, not Arbituro's)
Side by side
- What it is
- Arbituro:Arbituro provides governed AI agents that generate reports, memos, decks and manage backlogs with human approval and full audit trails.
- Mastra:Mastra is an open-source TypeScript framework for building AI agents with memory, tools, workflows and observability.
- Best for
- Arbituro:Governed AI agents for enterprise work
- Mastra:Typed AI agents with built-in observability
- Who it’s for
- Arbituro:Teams that need AI-generated work but require strict governance and approval workflows.
- Mastra:TypeScript developers building AI-powered applications and agents.
- Pricing
- Arbituro:Freemium
- Mastra:Freemium
- Starting price
- Arbituro:—
- Mastra:$250/month (Teams)
- Free plan or trial
- Arbituro:Free plan (Starter) · Free trial
- Mastra:Free plan (Starter)
- Plans
- Arbituro:Starter Free
- Mastra:Starter $0 per month · Teams $250 per month
- Open source
- Arbituro:Yes, 0 GitHub stars
- Mastra:Yes, 28,481 GitHub stars
- Works with
- Arbituro:Microsoft 365, Google Workspace, Slack, GitHub
- Mastra:React, Next.js, Node, LibSQL, Postgres, Vite
Arbituro features
- Governed execution. Agents can only act on resources granted by a person and all actions require human approval.
- Acceptance criteria. Agents propose acceptance criteria before work starts and record every decision.
- Approval queue. All pending approvals, reviews and questions appear in a single queue with wait times.
- Audit trail. Every agent action is logged and exportable as CSV for full traceability.
- Backlog management. Agents suggest duplicate removal, job splitting and reassignment with reasons for each change.
- Planning assistance. Agents draft schedules for undated jobs based on priority, due dates and workload.
- Coding agents. Integrates Claude Code, Cursor and VS Code to handle coding tasks with audited pull-requests.
- Integrations & access control. Connects to Microsoft 365, Google Workspace, Slack and GitHub with granular read/write permissions.
Mastra features
- Typed Agents. Define agents with instructions, models, tools and runtime behavior in TypeScript.
- Workflows. Compose multi-step, retryable, branchable workflows with typed control flow.
- Harness. Coordinate multi-mode agents with shared state, threads and storage.
- Memory. Durable observational memory with semantic recall and thread-aware storage.
- Observability. Logs, metrics, traces, datasets and signals for full runtime insight.
- Server & Studio. Run agents locally or in Mastra Cloud and manage them via a web studio.
Arbituro vs Mastra FAQ
What is the difference between Arbituro and Mastra?+
Mastra is a TypeScript framework for AI agents, requiring developer effort; Arbituro is a ready-to-use platform with UI and governance.
Should I use Arbituro or Mastra?+
Pick Arbituro if you want governed AI agents for enterprise work or integrations with Microsoft 365, Google Workspace or Slack (on Arbituro's list, not Mastra's). Pick Mastra if you want typed AI agents with built-in observability, TypeScript agent development or integrations with React, Next.js or Node (on Mastra's list, not Arbituro's).
Is Arbituro or Mastra free?+
Arbituro has a free plan (Starter) and paid plans. Mastra has a free plan (Starter); paid plans start at $250/month (Teams).
Is Arbituro or Mastra open source?+
Yes, both are open source: Arbituro (writan-labs/arbituro-mcp on GitHub, MIT license) and Mastra (mastra-ai/mastra on GitHub).
Do Arbituro and Mastra integrate with the same tools?+
Their integration lists don't overlap: Arbituro lists Microsoft 365, Google Workspace, Slack and GitHub; Mastra lists React, Next.js, Node, LibSQL and 2 more.
On DevHunt
Based on each tool's website and DevHunt data. Details may change; check the official sites.