B
Bolt.new by StackBlitz
Developer ToolsIn-browser AI web development sandbox powered by WebContainers that creates, edits, and executes full-stack Node.js & React apps from natural language.
Pricing Model
Freemium
Free Tier
Available
API Access
Yes
Rating Score
★ 4.9 / 5
Supported Platforms
Web API
Key Advantages
- ✓ Runs full Node.js dev server directly inside browser WebContainers
- ✓ Executes terminal commands & installs npm packages automatically
- ✓ Instant WebContainer live preview with hot reloading
Tradeoffs & Cons
- ✕ Free token limits can be consumed quickly on complex full-stack prompts
Alternative AI Tools
Ollama (Local LLM Engine)
Open-source runtime to download, run, and serve DeepSeek, Llama 3.3, and Qwen on macOS, Linux, and Windows with an OpenAI-compatible REST API.
LangGraph (Agent Orchestration)
Cyclic multi-agent orchestration framework for building resilient, stateful AI agent architectures with native persistence and human-in-the-loop controls.
Weights & Biases (W&B Weave)
Enterprise LLM observability and evaluation platform for tracing prompts, monitoring latency/costs, and testing multi-agent workflows.