Weaviate
coding
Open-source AI-native vector database
Pricing
Free plan
Rating
—
Votes
0
Head-to-head comparison
Weaviate vs Mastra
Compare Weaviate and Mastra side by side across pricing, features, ratings, pros, cons, best-fit use cases, and alternatives.
Mastra
coding
The TypeScript framework for building AI agents and workflows.
Pricing
Free plan
Rating
—
Votes
0
Feature comparison
Feature
Weaviate
Mastra
Category
coding
coding
Pricing
Free plan
Free plan
Free plan
API access
Mobile app
Browser extension
Team collaboration
Custom training
Self-hosted option
Offline mode
Multi-language support
Weaviate pros and cons
Open source with the option to self-host for free
Managed Weaviate Cloud with a free sandbox
Built-in vectorizer and generative (RAG) modules
Strong hybrid search and metadata filtering
Larger configuration surface than minimalist DBs
Module system adds a learning curve
Managed pricing by vector dimensions can be unintuitive
Mastra pros and cons
TypeScript-native, rare among serious agent frameworks
Open source and free to self-host
Ergonomic agents, workflows, memory, and evals in one toolkit
Strong funding and momentum (22k+ GitHub stars)
Young project with a still-maturing ecosystem
APIs may change as it evolves toward stability
Fewer integrations than older Python frameworks
Which one should you choose?
Best overall signal
Weaviate
Selected using Toolglade popularity signals such as views and votes.
Best value signal
Weaviate
Selected using free-plan availability and engagement signals.
Best for
Weaviate
- RAG applications
- Hybrid search
- Semantic search
- Avoiding vendor lock-in
- Teams wanting open-source flexibility plus managed option
Mastra
- TypeScript agent development
- full-stack JS AI apps
- typed agent workflows
- RAG in Node.js
- TypeScript and full-stack JavaScript teams
FAQ
Is Weaviate better than Mastra?
It depends on your use case. Compare category fit, pricing, feature availability, and ratings before choosing.
Which tool has a free plan?
Weaviate and Mastra offer a free plan based on current Toolglade data.