Introduction
AI coding has moved from autocomplete to agentic build-and-ship workflows. Here are the top tools, how they differ, and when to use each.
1) GitHub Copilot — the baseline assistant
Best for: Day-to-day coding in VS Code/JetBrains, doc queries, test scaffolding.
Why it’s great: In-IDE context, strong ecosystem, enterprise controls & policies.
Official: GitHub Copilot | GitHub Docs
2) Replit AI (Agent / Ghostwriter) — idea to app, fast
Best for: Spinning up full-stack prototypes, especially when you want hosted dev.
Why it’s great: Chat an app into existence, live deploy, collaborate in browser.
Official: Replit AI | Replit Blog
3) Bolt (bolt.new by StackBlitz) — chat-build websites & apps
Best for: Web apps/sites by prompt, instant runnable previews, shareable results.
Why it’s great: WebContainers under the hood, fast preview links, multi-file edits.
Official: bolt.new | Bolt Help Center | Business Insider
4) Flatlogic — AI full-stack business apps
Best for: Admin dashboards, CRUD apps (SaaS/CRM/ERP) with DB + auth scaffolded.
Why it’s great: Own the code, pick React/Angular/Vue, generate DB schema, deploy.
Official: Flatlogic Generator
5) Builder.io Visual Copilot — design to code
Best for: Figma-to-framework code (React, Vue, Angular, Qwik, etc.).
Why it’s great: Strong fidelity to design systems, Tailwind/CSS Modules output.
Official: Builder.io Visual Copilot
6) Google Stitch — prompt UIs & frontends
Best for: Early-stage UI ideation: prompt → UI comps, front-end code drafts.
Why it’s great: Google Labs experiment focused on UI generation speed.
Official: Google Stitch | Google Developers Blog
Practical Selection Guide
- Inside IDE? Start with Copilot.
- Browser-based & deploy fast? Replit AI or Bolt.
- CRUD SaaS/admin? Flatlogic.
- Figma flows to code? Builder.io Visual Copilot.
- Rapid UI ideation? Stitch.
Note on “ChatGPT Codex”
OpenAI’s Codex model (2021–2023) has been sunset; modern assistants (like Copilot and the tools above) use newer foundation models and agents. (Context: the tools cited above are current as of 2024–2025.)
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