Source: https://seerepo.com/r/xtekky/gpt4free/built
Markdown source: https://seerepo.com/r/xtekky/gpt4free/built.md
Description: gpt4free is a Python repo built with Android, FastAPI, and Flask. It has 345 files and 110,819 written lines, with 54 test files.

# What is gpt4free built with?

gpt4free is a Python repo built with Android, FastAPI, and Flask. It has 345 files and 110,819 written lines, with 54 test files.

Read on October 30, 2026, at commit 8214a30.

Repository: https://github.com/xtekky/gpt4free

## Frontend

### The base

- **Android**: [in package.json](https://github.com/xtekky/gpt4free/blob/8214a306f7509219abe02988c6a91f751197cd0d/package.json)

## Backend

### The base

- **[FastAPI](https://seerepo.com/uses/fastapi)**: [in package.json](https://github.com/xtekky/gpt4free/blob/8214a306f7509219abe02988c6a91f751197cd0d/package.json)
- **[Flask](https://seerepo.com/uses/flask)**: [in package.json](https://github.com/xtekky/gpt4free/blob/8214a306f7509219abe02988c6a91f751197cd0d/package.json)

## Other repos with a similar stack

- [immich-app/immich](https://seerepo.com/r/immich-app/immich/built): Android, FastAPI
- [debpalash/VoiceStudio](https://seerepo.com/r/debpalash/VoiceStudio/built): Android, FastAPI
- [BerriAI/litellm](https://seerepo.com/r/BerriAI/litellm/built): FastAPI, Flask
- [apache/airflow](https://seerepo.com/r/apache/airflow/built): FastAPI, Flask
- [khoj-ai/khoj](https://seerepo.com/r/khoj-ai/khoj/built): Android, FastAPI
- [geekcomputers/Python](https://seerepo.com/r/geekcomputers/Python/built): FastAPI, Flask

## Frequently asked questions

### What language is gpt4free written in?

gpt4free is written in Python: 345 files and 110,819 written lines.

### What framework does gpt4free use?

gpt4free is built with Android, FastAPI, and Flask.

The proof: [in package.json](https://github.com/xtekky/gpt4free/blob/8214a306f7509219abe02988c6a91f751197cd0d/package.json)

### Does gpt4free have tests?

Yes. gpt4free has 54 test files.

### Which repos have a stack like gpt4free's?

The ones that share most of its stack: immich-app/immich, debpalash/VoiceStudio, and BerriAI/litellm.

## What is your repo built with?

Any public repo, with no account: https://seerepo.com/r/owner/repo/built, with the owner and name it has on GitHub.