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Mastra vs UstaWork
Mastra is a TypeScript framework for building AI agents, whereas UstaWork is a hosted platform with built-in agents and governance.
MastraTypeScript framework for AI agents
UstaWorkUstaWork plans the work, runs it through specialist AI agents and independent review, then merges only what you approve.Which to pick
Pick Mastra if you want…
- Typed AI agents with built-in observability
- Building custom AI agent frameworks
- Open-source code (mastra-ai/mastra on GitHub)
- Integrations with React, Next.js or Node (on Mastra's list, not UstaWork's)
Pick UstaWork if you want…
- AI-driven autonomous workflows with independent review
- The lower starting price: $12/month against $250/month
- Integrations with GitHub, UstaWork Git or Slack (on UstaWork's list, not Mastra's)
Side by side
- What it is
- Mastra:Mastra is an open-source TypeScript framework for building AI agents with memory, tools, workflows and observability.
- UstaWork:UstaWork automates project planning, execution and review with specialist AI agents, requiring human approval before merging.
- Best for
- Mastra:Typed AI agents with built-in observability
- UstaWork:AI-driven autonomous workflows with independent review
- Who it’s for
- Mastra:TypeScript developers building AI-powered applications and agents.
- UstaWork:Developers and teams needing AI-assisted code, research, data or docs workflows with gated approvals.
- Pricing
- Mastra:Freemium
- UstaWork:Freemium
- Plans
- Mastra:Starter $0 per month · Teams $250 per month
- UstaWork:Free $0 per month · Starter $12 per month · Pro $39 per month · Team $99 per month
- Open source
- Mastra:Yes, 28,481 GitHub stars
- UstaWork:—
- Works with
- Mastra:React, Next.js, Node, LibSQL, Postgres, Vite
- UstaWork:GitHub, UstaWork Git, Slack, Telegram, Supabase, PostgreSQL, MySQL, Redis
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.
UstaWork features
- AI Planning Agent. Creates work items, milestones, acceptance criteria and dependencies from a high-level idea.
- Specialist Work Agents. Dedicated AI roles (engineer, reviewer, security, docs) execute tasks in isolated workspaces.
- Independent Review Gates. Code, security and custom reviewers provide verdicts before any merge occurs.
- Live Previews. Runs each candidate in a short-lived environment (Docker/Compose) for visual approval.
- Customizable Workflows. Draw pipelines with agents, human steps, decisions, parallelism and wait actions.
- Integrations & Recurring Work. Connects to GitHub, Slack/Telegram, Supabase and supports scheduled jobs.
Mastra vs UstaWork FAQ
Is Mastra or UstaWork free?+
Mastra has a free plan (Starter); paid plans start at $250/month (Teams). UstaWork has a free plan; paid plans start at $12/month (Starter).
Which is cheaper, Mastra or UstaWork?+
UstaWork is cheaper to start with: UstaWork's Starter plan ($12/month) against Mastra's Teams plan ($250/month).
Is Mastra or UstaWork open source?+
Mastra is open source (mastra-ai/mastra on GitHub). DevHunt has no public source repository on record for UstaWork.
Do Mastra and UstaWork integrate with the same tools?+
Their integration lists don't overlap: Mastra lists React, Next.js, Node, LibSQL and 2 more; UstaWork lists GitHub, UstaWork Git, Slack, Telegram and 6 more.
On DevHunt
Based on each tool's website and DevHunt data. Details may change; check the official sites.