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Cadenya vs Mastra
Short answer: Pick Cadenya if you want unified runtime for AI agents with tool layering; pick Mastra if you want typed AI agents with built-in observability. Cadenya has a free plan, paid from $49/month; Mastra has a free plan, paid from $250/month.
Which to pick
Pick Cadenya if you want…
- Unified runtime for AI agents with tool layering
- The lower starting price: $49/month against $250/month
- Integrations with MCP servers, Anthropic Claude or Webhooks (on Cadenya's list, not Mastra's)
Pick Mastra if you want…
- Typed AI agents with built-in observability
- TypeScript agent framework
- Open-source code (mastra-ai/mastra on GitHub)
- Integrations with React, Next.js or Node (on Mastra's list, not Cadenya's)
Side by side
- What it is
- Cadenya:Cadenya is a hosted runtime for building, testing and running AI agents that layer tools, memory and objectives over existing APIs.
- Mastra:Mastra is an open-source TypeScript framework for building AI agents with memory, tools, workflows and observability.
- Best for
- Cadenya:Unified runtime for AI agents with tool layering
- Mastra:Typed AI agents with built-in observability
- Who it’s for
- Cadenya:Developers building AI-agent applications who want a managed runtime and easy integration with their APIs.
- Mastra:TypeScript developers building AI-powered applications and agents.
- Pricing
- Cadenya:Freemium
- Mastra:Freemium
- Starting price
- Cadenya:$49/month (Growth)
- Mastra:$250/month (Teams)
- Free plan or trial
- Cadenya:Free plan (Free)
- Mastra:Free plan (Starter)
- Plans
- Cadenya:Free $0 · Growth $49 per month
- Mastra:Starter $0 per month · Teams $250 per month
- Open source
- Cadenya:—
- Mastra:Yes, 28,481 GitHub stars
- Works with
- Cadenya:MCP servers, Anthropic Claude, Webhooks
- Mastra:React, Next.js, Node, LibSQL, Postgres, Vite
Cadenya features
- Tool & API Layering. Connect MCP servers, OpenAPI specs and existing endpoints so agents can use them without code changes.
- Progressive Tool Discovery. Agents request tool schemas only when needed, keeping context windows small.
- Webhooks & SSE. Push real-time agent events to your app via webhooks or Server-Sent Events.
- Frontend Widgets. Embeddable widgets enable conversational agent experiences in any frontend.
- Memory Layers. Add persistent context such as playbooks or policies that agents can reference.
- Approval-Gated Tools. Pause tool calls for human or system approval before execution.
- Sub-Agent Coordination. Agents can spawn sub-agents with independent model configs for complex tasks.
- Live Monitoring. Track token usage, tool calls, webhook deliveries and feedback per objective.
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.
Cadenya vs Mastra FAQ
What is the difference between Cadenya and Mastra?+
Mastra is a TypeScript framework for building agents; Cadenya offers a hosted runtime with no code changes to your APIs.
Should I use Cadenya or Mastra?+
Pick Cadenya if you want unified runtime for AI agents with tool layering, the lower starting price: $49/month against $250/month or integrations with MCP servers, Anthropic Claude or Webhooks (on Cadenya's list, not Mastra's). Pick Mastra if you want typed AI agents with built-in observability, TypeScript agent framework or open-source code (mastra-ai/mastra on GitHub).
Is Cadenya or Mastra free?+
Cadenya has a free plan; paid plans start at $49/month (Growth). Mastra has a free plan (Starter); paid plans start at $250/month (Teams).
Which is cheaper, Cadenya or Mastra?+
Cadenya is cheaper to start with: Cadenya's Growth plan ($49/month) against Mastra's Teams plan ($250/month).
Is Cadenya or Mastra open source?+
Mastra is open source (mastra-ai/mastra on GitHub). DevHunt has no public source repository on record for Cadenya.
Do Cadenya and Mastra integrate with the same tools?+
Their integration lists don't overlap: Cadenya lists MCP servers, Anthropic Claude and Webhooks; 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.