Mastra vs Spacebot
Side-by-side comparison of two agent options that often come up together when people are choosing between self-hosted frameworks, managed assistants, and extensible AI tooling.
Open source23k stars
Mastra
TypeScript-first agent framework with observational memory and workflow orchestration
Closed source2.1k stars
Spacebot
AI agent for teams and communities across Discord, Slack, Twitch, and Telegram
Category
Mastra
Spacebot
Tagline
TypeScript-first agent framework with observational memory and workflow orchestration
AI agent for teams and communities across Discord, Slack, Twitch, and Telegram
Deployment
Self-Hosted
Self-Hosted
Pricing
Free to use, with optional model or infrastructure costs if you self-host.
Usually affordable for individuals or small teams, with some recurring model or hosting costs.
Channels
Web, CLI
Discord, Slack, Telegram, Web
Open source
Yes
No
Privacy
Good privacy posture for most teams, especially when self-hosted or carefully configured.
Good privacy posture for most teams, especially when self-hosted or carefully configured.
Mastra pros
- TypeScript-first — rare in the agent framework space (most are Python)
- Observational Memory — automatically tracks and surfaces agent reasoning patterns
- From the Gatsby team — proven track record building developer-facing OSS
Spacebot pros
- Strong privacy story for users who care where data runs.
- Good memory and persistence support for ongoing conversations or tasks.
- Can handle meaningful autonomous work instead of acting only as a reactive chatbot.
Mastra cons
- TypeScript-only — not suitable for Python-heavy stacks
- Younger ecosystem compared to LangChain or CrewAI
- Primarily a development framework — not a ready-to-use personal assistant
Spacebot cons
- Closed-source offering, so portability and vendor transparency are limited.
Mastra gotchas
- You should expect ongoing hosting, uptime, and secret-management work if you deploy it for real users.
Spacebot gotchas
- You should expect ongoing hosting, uptime, and secret-management work if you deploy it for real users.
- Recurring subscription or model spend can matter more than the headline feature list.
Not sure which one fits you?
Take the two-minute quiz and let the app rank these options against your channels, privacy requirements, deployment comfort, and budget.