Bolt.new vs Tmppr

Bolt.new and Tmppr 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.

Tmppr

The core workflow is a full pull-request lifecycle that runs on localhost: agents open PRs, trigger CI via your existing GitHub Actions YAML, review each other's diffs inline, and ship only after merge gates clear. An MCP server registers every action as a native tool for Claude Code and Codex, so agents call PR open, review, and merge without glue code. The stacked-PR workflow handles dependent branches in order without manual rebasing. The ceiling appears when teams need shared CI infrastructure — local runners work for solo or small-team setups, but shared minutes require the paid cloud runner option. No API means external systems cannot push events into tmppr without building through the plugin SDK.

Attribute	Bolt.new	Tmppr
Pricing	Paid	Paid
Price	$25/mo	—
Free trial	No	No
Open source	No	No
Has API	No	No
Self-hosted option	No	Yes
Platforms	—	macOS, Linux, Windows
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.	MCP server auto-registered on init, so Claude Code and Codex agents call PR, CI, review, and merge as native tools — no glue scripts to maintain between your agent loop and the forge. Executes existing GitHub Actions YAML locally with live log streaming, which means you reuse CI definitions you already have instead of rewriting them for a new platform. Strict 127.0.0.1 binding with no telemetry and no account required for local use, so teams with hard code-leakage policies can run full agent loops without sending source off the machine. Full-lifecycle event triggers covering the entire issue-to-merge cycle, which means a failed CI run automatically queues a fix agent rather than leaving the loop waiting for a human to notice. Plugin SDK lets you add agent providers, merge rules, and automation triggers from a single installable package without forking core, so your customizations survive upstream updates.
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.	Local CI runners work for a single machine — the moment a team needs shared CI minutes, parallel runners, or a bigger build box, they hit a wall that only the paid cloud runner option unblocks. Teams evaluating cost at that point compare against existing cloud CI they already pay for. No public API means external systems — monitoring tools, issue trackers, deployment pipelines — cannot push events into tmppr without a plugin authored against the SDK. Teams that need bidirectional integration with an existing platform end up maintaining a custom plugin as a second system. The tool has no listed alternatives in market, but teams whose agent workflows already live inside a hosted platform like GitHub Actions with Copilot or a managed agent orchestration service will find tmppr's local-first model an architectural mismatch rather than a drop-in addition — those teams do not adopt it, they replace it.

Bottom line

Bolt.new and Tmppr are closely matched on pricing model, openness, and API availability — pick by feature set and platform support in the table above.

Frequently asked questions

What is the difference between Bolt.new and Tmppr?

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

Is Bolt.new better than Tmppr?

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 Tmppr: which should I pick?

Pick Bolt.new if its pricing model, openness, or platform fit matches your constraints; pick Tmppr 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.