AI API / SDK for Developers
Bolt.new and Iterative.ai overlap on scores and pricing posture, so the decision comes down to which problem each was actually built for. Bolt.new is browser-based full-stack AI app builder from StackBlitz with WebContainers. Iterative.ai is open-source ML ops — DVC and CML for data/model versioning in Git workflows. Pick Bolt.new when the job is apps and you accept low lock-in; pick Iterative.ai when it is engineering-heavy ml teams that want git-based data and experiment workflows and you accept low lock-in. The data we have shows Bolt.new at mostly transparent pricing and docs with a polished developer experience, and Iterative.ai at mostly transparent pricing and docs with a polished developer experience. The honest trade-off: neither is universal — Bolt.new is a poor fit for simple projects, and Iterative.ai is a poor fit for data science teams preferring notebook-first uis over git semantics. Match the pricing model and lock-in level to how your team actually works, not the feature list.
Quick take
Bolt.new is for browser-based full-stack AI app builder from StackBlitz; Iterative.ai is for open-source ML ops — DVC and CML; decide based on ecosystem fit.
 Bolt.new | | |
|---|---|---|
| Category | AI API / SDK for Developers | AI API / SDK for Developers |
| Pricing Model | freemium | freemium |
| Entry Price | $0 | — |
| Free Tier | Yes | Yes |
| Billing Complexity | — | — |
| Developer Experience | 5/5 | 5/5 |
| Pricing Transparency | 4/5 | 4/5 |
| Lock-in Level | low | low |
| Migration Complexity | — | — |
| Data Portability | — | — |
| Enterprise | Available | — |
| GitHub Stars | 16.3k | 15.6k |
| License | MIT | Apache-2.0 |
Choose Bolt.new if a free tier with paid upgrade from $0 is the right shape and the work maps to browser-based full-stack AI app builder from StackBlitz with WebContainers.
Not for: Simple projects
Choose Iterative.ai if keeping the configuration portable matters and the work lines up with open-source ML ops — DVC and CML for data/model versioning in Git workflows.
Not for: Data science teams preferring notebook-first UIs over Git semantics
Check each tool's dedicated page for deeper reviews, setup notes, and pros/cons.
We can't verify it cleanly: Bolt.new starts at $0 (freemium), while Iterative.ai (freemium) doesn't publish an entry price. Request a quote from Iterative.ai before assuming either side is cheaper.
Migration in either direction is relatively cheap — both Bolt.new and Iterative.ai are rated low lock-in, so your configuration and data should port without a rewrite. The realistic cost is team re-training and pipeline QA, not the tools themselves.
Both Bolt.new and Iterative.ai rate the same on developer experience (5/5). The decision on DX then comes down to taste — which CLI, UI, or workflow matches your team's habits. A short side-by-side trial is the quickest way to tell.
Yes — Iterative.ai is a reasonable alternative to Bolt.new for apps. The practical differences are freemium-vs-freemium billing and low-vs-low lock-in. If those fit your constraints better, treat Iterative.ai as a credible swap.
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