VerlumoAIAI coding agents that write, test, and review code across your whole codebase.
View detailsGPT Engineer
An open-source tool that turns a plain-language description into a complete codebase you can run and extend.
GPT Engineer is an open-source tool that turns a plain-language description into a complete codebase you can run and extend. Describe the app you want, and it asks clarifying questions, then generates the files, the structure, and the code for a working project.
Key Features
- Turns a description into a complete codebase
- Asks clarifying questions before building
- Shows its plan and writes code transparently
- Refine the result with follow-up prompts
- Free and open source
- Works with models of your choice
Pricing
| Plan | Price | Details |
|---|---|---|
| Free | $0 | Free and open source; API costs depend on the model you choose. |
Prices as listed in 2026 research. Always check the official site for the latest price — plans change. Free plan: Yes — it has a free plan.
Best for: developers who want a free, open-source tool that turns a plain description into a complete codebase.
Popular with: Developers, Students
Popular with: Developers, Students
How it works
The tool is designed to be simple and transparent: it shows you its plan, writes the code in front of you, and lets you keep refining it with follow-up prompts. Because it is open source, you can see how it works and change it to fit your needs.
GPT Engineer is free and open source; you pay only for the model API usage you choose. It is best for developers and students who want to experiment with AI-generated codebases and are comfortable setting up an open-source tool.
Pros and Cons
✓ Pros
- Free and open source
- Generates a whole codebase, not just snippets
- Transparent plan and process
- Good for learning how AI builders work
✗ Cons
- An early open-source project, not a polished product
- Needs your own model API keys and setup
- Generated code needs review before production use
Frequently Asked Questions
Is GPT Engineer free?
Yes — GPT Engineer has a free plan. Free open source; you pay your own model API costs
What is GPT Engineer best for?
developers who want a free, open-source tool that turns a plain description into a complete codebase.
What kind of tool is GPT Engineer?
GPT Engineer is a Coding Assistants tool on VerlumoAI.
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View detailsLast reviewed: November 2026