Bolt.new
Bolt.new is a proprietary cloud-hosted coding environment for AI-assisted coding, built by StackBlitz (released 2024-10). Bolt.new integrates with 4 verified models, including Claude Sonnet 4.6, Claude Opus 4.6, and Gemini 2.5 Pro. Pricing starts at Freemium; Pro at $20/mo. It's a hosted environment accessed via browser, where teams can delegate implementation, preview changes, and move from prompt to pull request without managing local setup.
Overview
Browser-based AI app builder powered by WebContainers that generates, runs, and iterates on full-stack applications entirely in the browser.
Featured Model Specs
| Model | Lab | Released | Context | Reasoning | Open source |
|---|---|---|---|---|---|
| Claude Sonnet 4.6 | Anthropic | 2026-02-17 | 1M | Yes | No |
| Claude Opus 4.6 | Anthropic | 2026-02-05 | 1M | Yes | No |
| Gemini 2.5 Pro | Google DeepMind | 2025-06-17 | 1M | No | No |
| GPT-4o (2024-11-20) | OpenAI | 2024-11-20 | 128K | No | No |
Underlying Models
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FAQ
What is Bolt.new?
Bolt.new is a proprietary cloud-hosted coding environment for AI-assisted coding, built by StackBlitz (released 2024-10). It's a hosted environment accessed via browser, where teams can delegate implementation, preview changes, and move from prompt to pull request without managing local setup. It is primarily used for browser-based autonomous development and task delegation.
What models does Bolt.new support?
Bolt.new runs Claude Sonnet 4.6, Claude Opus 4.6, Gemini 2.5 Pro, GPT-4o (2024-11-20).
How much does Bolt.new cost?
Bolt.new costs Freemium; Pro at $20/mo.
Is Bolt.new open source?
No, Bolt.new is a proprietary cloud-hosted coding environment.
What are alternatives to Bolt.new?
Alternatives include v0, Claude Cowork, and Devin.
When was Bolt.new released?
Bolt.new was released in 2024-10.