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BELLISTE / AI COMPARISON

Compare AI models

Choose two models from the same AI category to compare equivalent plans, capabilities and technical details.

StackBlitz

Bolt.new

65%
AI
Windsurf

Windsurf

65%

Estimated Belliste score, based on the available capabilities, quality, features and pricing information. It is an indicative profile estimate, not an independent benchmark.

How this profile estimate is calculated

Capabilities contribute 35%, quality wording 30%, listed features 20%, and pricing 15% when available. When capability fields are absent, specialization breadth supplies a 25% fallback. Missing categories are omitted and the remaining weights are rescaled. The estimate uses each model’s own published profile; it does not measure answer accuracy or replace a hands-on test.

OverviewBolt.newWindsurf
PriceFree $0/month · Pro $25/month · Teams $30/member/month · Enterprise custom.Free $0/month · Pro $20/month · Max $200/month · Teams $40/user/month (verify current checkout).

Overview & Compatibility

9 specifications +
SpecificationBolt.newWindsurf
Starting PriceFree $0/month · Pro $25/month · Teams $30/member/month · Enterprise custom.
vs
Free $0/month · Pro $20/month · Max $200/month · Teams $40/user/month; verify live plan terms.
Tool TypeAI App BuilderAI Code Editor / Agentic IDE
Primary Use CaseBuild and deploy web applications from prompts in a browser.Repository-aware coding, editing, debugging and agentic development in Windsurf Editor.
Best ForFounders, creators and teams building web prototypes and applications.Developers who want an integrated AI editor with autocomplete and Cascade.
Access MethodsBrowser-based Bolt.new workspace.Windsurf desktop editor and supported editor extensions.
Supported Operating SystemsSupported operating systems depend on current client and browser/IDE versions; verify compatibility before installation.Supported operating systems depend on current client and browser/IDE versions; verify compatibility before installation.
Supported IDEs & EditorsBuilt-in web editor; code export for external editors.Windsurf Editor; Codeium/Windsurf extensions vary by IDE.
Programming LanguagesJavaScript/TypeScript-centered web projects; other runtimes depend on supported environment.Multiple programming languages; precise per-language feature support varies.
Framework SupportSupports web frameworks and packages compatible with Bolt runtime.Works with repository frameworks supported by its editor and runtime.

Coding Capabilities

11 specifications +
SpecificationBolt.newWindsurf
Code CompletionNot a traditional IDE autocomplete product.Yes — Windsurf Tab AI autocomplete.
Code GenerationYes — creates application source from prompts.Yes — Cascade generates code and changes.
Inline Code EditingYes — generated code can be edited in workspace.Yes — editor-integrated AI changes and autocomplete.
Multi-File EditingYes — updates multiple app files.Yes — Cascade can work across repository files.
Code ExplanationAgent chat can discuss implementation and source.Yes — repository-aware AI chat.
RefactoringCan change existing application code through prompts.Yes — multi-file code changes via Cascade.
Debugging AssistanceAgent can iterate on app build and runtime errors.Yes — agent can investigate code and errors.
Test GenerationCan create tests on request; framework-dependent.Can generate tests when prompted; verify project-specific execution.
Documentation GenerationCan assist with drafting documentation from project context; dedicated automatic documentation workflows not verified.Can assist with drafting documentation from project context; dedicated automatic documentation workflows not verified.
Code ReviewNot a dedicated pull-request code review service.Can review code through chat; autonomous PR-review service not established.
Image-to-CodeCan work from design references; supported formats depend on current product.Not verified for this product version.

Agents & Execution

9 specifications +
SpecificationBolt.newWindsurf
Agent Mode & PlanningPrompt-driven app building with multi-step implementation.Cascade agent mode supports multi-step coding and planning.
Terminal Command ExecutionBrowser development runtime supports project commands; exact controls vary.Cascade supports terminal/tool execution subject to permissions.
Automated Test ExecutionProject tests may run in supported web development runtime.Can run project commands and tests in configured environments.
Browser InteractionLive preview of built applications.Browser-related features depend on installed Windsurf version.
Background / Cloud AgentsIndependent unattended background cloud agents not verified.Not verified as an independent asynchronous cloud coding service.
Parallel Agent TasksIndependent parallel coding agents not verified.Not verified.
Human Approval ControlsUser reviews generated changes and controls deployment.Editor permission and review controls apply to agent actions.
Execution Isolation / SandboxBrowser/cloud runtime isolation; detailed boundaries not disclosed.Execution follows configured development environment; isolation guarantees not verified.
Execution EnvironmentHosted browser-based web development environment.Local editor with cloud AI inference and project tools.

AI Models & Codebase Context

8 specifications +
SpecificationBolt.newWindsurf
Supported AI ModelsUnderlying generation model lineup subject to change.Model availability changes by plan; see current model selector.
Model SelectionModel selection options depend on current Bolt interface and plan.Cascade model selection depends on current plan and model availability.
Bring Your Own API KeyThird-party app API credentials supported; agent model BYOK not verified.Check current provider-key options; not verified.
Local Model SupportBolt AI agent is cloud-hosted.Local LLM inference for Cascade not verified.
Codebase Context & IndexingUses project files as context; larger projects consume more tokens.Repository-aware code context and indexing.
Context WindowNo stable single context window published.No single stable context window disclosed across available models.
Custom Instructions / RulesProject prompts and team design-system knowledge supported.Workspace/project instructions and agent rules supported.
Persistent Project MemoryProject source and chat history; autonomous long-term memory not verified.Project context and instructions; automatic long-term memory behavior not verified.

Developer Workflow & Integrations

5 specifications +
SpecificationBolt.newWindsurf
Git & Pull RequestsSource control integrations available; verify exact provider/PR workflow.Uses local repository Git workflows; dedicated managed PR service not verified.
MCP & External IntegrationsMCP support not verified for the app-building agent.MCP integrations supported in Cascade.
Web SearchExternal information retrieval by agent not verified.Web/documentation lookup capabilities vary by agent mode.
API / SDK AccessPublic API for remote control of Bolt agent not verified.Not verified as public API for remotely controlling Cascade.
Deployment SupportBuilt-in website hosting; custom domains on paid plans.Deploy via project tools; managed app hosting not core product.

Pricing, Teams & Security

6 specifications +
SpecificationBolt.newWindsurf
Free Plan / TrialFree tier: 300K tokens daily and 1M monthly.Free editor tier available.
Usage Limits / Extra UsagePro starts at 10M tokens/month; paid unused tokens roll over subject to terms.Agent/model quotas vary by plan and refresh period.
Team AdministrationTeams tier with centralized billing and administration.Teams and Enterprise subscriptions.
Code Privacy & Data RetentionPrivate projects supported; review data processing and retention terms.Cloud model processing; review plan-specific retention and training controls.
Self-HostingGenerated code may be hosted externally; Bolt platform itself is hosted.Editor runs locally; hosted Cascade backend is not self-hosted.
SSO / Enterprise SecurityEnterprise offers SSO, audit logs and governance.Enterprise controls vary by contract.

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Amazon Q Developer
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Bolt.new
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