Bolt.new vs Weaviate
A side-by-side comparison of capabilities, autonomy, integrations, and pricing to help you choose.
Short answer: choose Bolt.new if you want prompt, edit, and deploy full-stack web apps in the browser (Supervised agent, freemium); choose Weaviate if you want open-source ai database for vector search, hybrid search, rag, and agent memory (Assistant, freemium).
| Bolt.new | Weaviate | |
|---|---|---|
| What it is | Prompt, edit, and deploy full-stack web apps in the browser | Open-source AI database for vector search, hybrid search, RAG, and agent memory |
| Type | agent | platform |
| Autonomy | Supervised agent | Assistant |
| Pricing | freemium · Free (1M tokens/mo); Pro from $25/mo | freemium · Free tier; Flex from $45/mo; Plus from $280/mo; Premium from $400/mo |
| Best for | consumers, developers, smb | developers, smb, mid-market, enterprise |
| Deployment | saas | saas, self-hosted, api, on-prem |
| Modalities | text, code | api, code, text |
| Models | claude, model-agnostic | open-source, model-agnostic |
| Protocols | rest-api | rest-api, mcp, function-calling |
| Integrations | Netlify, Supabase, GitHub, Expo | OpenAI, Cohere, Hugging Face, Google, LangChain, LlamaIndex |
| Capabilities | 3 documented | 6 documented |
Bolt.new
- +Full dev environment runs in the browser via WebContainers, with the AI controlling filesystem, terminal, and server
- +Generates true full-stack apps (not just UI) and can deploy via Bolt Cloud
- +No local setup; fast for prototyping and iterating by chatting
- -Token-based usage cost can rise quickly on complex or long-running builds
- -Output needs human review and iteration; it is not a hands-off autonomous engineer
Weaviate
- +Open-source core (BSD-3-Clause) that can be fully self-hosted, with managed cloud and Bring Your Own Cloud (BYOC) options for teams that want control over data and cost
- +Strong hybrid search (vector plus BM25 keyword) with metadata filtering and multi-tenancy out of the box
- +Integrated vectorizers and a built-in MCP server reduce the glue code needed to wire embeddings and agents to the database
- -Usage-based cloud pricing (charged on vector dimensions and storage) plus monthly minimums can be hard to predict for growing workloads
- -Self-hosting the open-source database means operating and scaling search infrastructure yourself
Which should you choose?
Bolt.new is prompt, edit, and deploy full-stack web apps in the browser, best for consumers, developers, smb. Weaviate is open-source ai database for vector search, hybrid search, rag, and agent memory, best for developers, smb, mid-market, enterprise. The right choice depends on the autonomy level you want, your existing integrations, and your budget, all compared above.