Bolt.new vs Kilo

Bolt.new and Kilo are both coding assistants tracked by AIDiveForge. Below is a side-by-side comparison of pricing, capabilities, platforms, and ownership — sourced from each tool's live website and verified before publishing.

Bolt.new

Built by StackBlitz, Bolt lets you describe a web app in plain language and get a running prototype with hosting, a database, and authentication included — no separate accounts required. The vendor states model routing picks the right LLM for each task, so you're not manually switching between agents. Design system imports from Figma or component libraries like Shadcn and Material UI let teams build on-brand without starting from scratch. The ceiling appears when projects grow past prototype fidelity: complex business logic, custom server-side workflows, or deep third-party integrations push you outside what a prompt-driven canvas can express. At that point, the generated code becomes the starting point for a hand-rolled codebase.

Kilo

Kilo Code is an open-source (Apache 2.0) coding agent that runs inside VS Code, JetBrains IDEs, and the CLI, with cloud agent and Slack options on top. It ships five specialized modes — Code, Architect, Debug, Ask, and Custom — so you're not forcing a general-purpose chat model to plan a feature and then write it in the same session. The 500+ model catalog routes through Kilo Gateway at zero markup, which means your token bill reflects actual model pricing. That architecture holds up well for single-developer workflows and small teams. Where it gets complicated is at the org level: team-wide parallel workflows using isolated agent worktrees are a newer surface, and community reports suggest the tooling around coordinating those agents is still maturing.

Attribute	Bolt.new	Kilo
Pricing	Paid	Paid
Price	$25/mo	Free (extension); Kilo Pass $19–$199/month (credits); KiloClaw $55/month (cloud agent)
Free trial	No	14 days
Open source	No	No
Has API	No	Yes
Self-hosted option	No	Yes
Platforms	—	VS Code, JetBrains (IntelliJ, PyCharm, WebStorm), CLI, Cloud Agents, Slack, Cursor, Windsurf
Released	—	2025-03
Pros	Integrated hosting, database, and authentication ship with every project, so you avoid the setup tax of wiring together separate infrastructure services before the first prototype is testable. Automatic model routing selects the LLM matched to each task, which means you don't lose a sprint debugging why the wrong model was chosen for a code-generation step. Design system imports from Figma, Shadcn, Material UI, and others let teams generate on-brand output from the first prompt, avoiding the rework cycle of restyling generic scaffolding. Built-in context management handles larger project sizes than earlier generations of the tool, so complexity doesn't force you to restart or manually chunk your project. SEO configuration is included by default, which means a marketing or product team can ship a campaign page without a separate optimization pass.	Zero-markup model routing across 500+ providers, so your token cost reflects actual model pricing and switching models when costs spike is a config change rather than a platform migration. Five specialized agent modes (Code, Architect, Debug, Ask, Custom) split planning from execution, so you're not asking the same agent session to design an architecture and then write the implementation — context stays focused. Apache 2.0 core with self-hosted and air-gap deployment options, which means organizations with data residency requirements can run the agent without sending code to external infrastructure. BYOK support across 20+ providers according to the docs, so teams with existing enterprise model agreements don't pay a second time through the platform. KiloClaw managed cloud agents deploy without SSH, Docker, or yaml configuration, so teams that want 24/7 autonomous task execution don't need to maintain that infrastructure themselves.
Cons	Custom server-side logic — API middleware, complex authentication flows, background jobs — cannot be fully expressed through a chat prompt. Teams needing this level of control export the generated code and maintain it as a standard codebase, which means Bolt becomes a scaffolding tool rather than an ongoing build environment. There is no self-hosted deployment option and the codebase is not open-source, so teams operating under data residency or compliance constraints that require on-premise generation have no supported path and must switch to an open-source alternative like Dify or a self-hosted code generation pipeline. The Bolt Agent Max model — described on the page as the higher-intelligence routing tier — is a paid-only feature. Teams on the free tier are capped at standard model quality, which means the advertised error reduction and reasoning depth apply fully only after upgrading.	Multi-agent parallel workflows using isolated worktrees are documented as a feature, but the tooling for coordinating agents across a shared codebase is less mature than the single-developer IDE flow — teams hitting this at scale report needing to build their own coordination layer on top. The five-mode system requires you to consciously switch contexts between planning and execution. Teams that want a single agent to move fluidly from architecture to implementation without manual mode switching find this model adds friction, and at that point tools with a more unified agent loop become the alternative they evaluate. KiloClaw (the managed cloud agent layer) is a paid-only feature, meaning teams that want the 'deploy in 60 seconds, no infrastructure' path are outside the free tier — the self-hosted option requires enough DevOps capacity to stand it up.

Bottom line

Only Kilo exposes a public API. Choose based on which difference matters most for your workflow.

Frequently asked questions

What is the difference between Bolt.new and Kilo?

Bolt.new is Paid, while Kilo is Paid. Compare pricing, free trial, API, platforms, and pros/cons in the table above on AIDiveForge.

Is Bolt.new better than Kilo?

It depends on your workflow. Use the side-by-side attributes (pricing, open source, API, self-hosted, platforms) to decide. AIDiveForge does not rank a universal winner — we publish verified facts so you can choose.

Bolt.new vs Kilo: which should I pick?

Pick Bolt.new if its pricing model, openness, or platform fit matches your constraints; pick Kilo otherwise. Check free-trial availability on each listing if you want to test before committing.

Comparison data is sourced and verified by the AIDiveForge data pipeline. AIDiveForge is editorially independent.