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Codex

Alternatives to Codex

50 AI apps to use instead, best rated first.

Top picks

  1. F

    FramePack AI

    Launch

    FramePack AI is a browser-based workspace for creating AI-generated videos and images. It brings multiple generation models into one place, helping users explore different approaches without installing models or configuring a local GPU envi

    Rated 5.0

  2. F

    fynk

    Launch

    fynk is an AI-powered contract management and document collaboration platform. It supports the contract lifecycle from drafting and negotiation to signing and ongoing management. Teams can create reusable templates with dynamic fields and

    Rated 5.0

  3. Claude

    Launch

    Claude is a next-generation AI assistant for analysis, writing, coding, and creative work.

  4. ChatGPT

    Launch

    A conversational assistant that helps you write, learn, code, and create.

  5. O

    Open WebUI

    Launch

    Self-hosted AI platform that connects local and cloud models, extends with Python, and keeps your data under your control.

    Self-hosted

  6. Midjourney

    Launch

    A research lab exploring new mediums of thought — best known for stunning AI imagery.

More AI apps

See all
7
A

AutoGPT

Platform for building, deploying, and running AI agents

Launch
8
B

Bing Image Creator

DALLE·3 based text-to-image generator with safety features

Launch
9
P

pi

Terminal-based coding agent with a minimal core, 15+ LLM providers

Launch
10

Perplexity

Where knowledge begins

Launch
11

v0

Generate UI with a prompt

Launch
12
A

AFFiNE

All in one Knowledge management OS

Launch
13
A

aider

AI pair programming in your terminal, supporting multiple LLM providers

Launch
14
A

AppFlowy

Open source collaborative workspace combining notes, databases, and AI

Launch
15
C

ChatGPT

Use ChatGPT to answer questions, write, create images, complete work

Launch
16
C

Cherry Studio

Desktop AI client for Windows, macOS, and Linux

Launch
17
C

Cline

AI Coding, Open Source and Open Choice

Launch
18
C

Crawl4AI

Open-source web crawler and scraper

Launch
19
D

Deep Nostalgia

Animates old photos using AI

Launch
20
E

ego lite

Fastest browser for AI agents

Launch
21
F

FastGPT

FastGPT is a free, open-source platform

Launch
22
J

Jan

Jan runs open-source AI models on your own hardware or connects

Launch
23
K

Keploy

Open source Tool for converting user traffic to Test Cases and Data Stubs

Launch
24
L

Langflow

Build, deploy, and iterate on AI agents, RAG applications, and MCP servers

Launch
25
L

LibreChat

LibreChat is a free and open-source chat interface for assistant AIs

Launch
26
L

LiteLLM

Acts as a unified proxy across 100+ LLMs

Launch
27
L

llama.cpp

C/C++ inference engine for large language models, supporting quantization

Launch
28
L

LobeHub

An open-source AI Agent Workspace

Launch
29
N

NanoClaw

Self-hosted AI agent that connects to WhatsApp, Telegram, Slack

Launch
30
O

Ollama

Load and run large LLMs locally to use in your terminal or build your apps

Launch
31
O

OpenClaw

Open-source personal AI assistant / agent framework

Launch
32
O

OpenCode

Open-source terminal-native AI coding agent

Launch
33
O

OpenHands

AI agent platform that runs autonomous coding agents to plan, write

Launch
34
O

Orca

Agent Development Environment that runs Claude Code, Codex, Gemini

Launch
35
P

Paperclip

Manages teams of AI agents across business functions

Launch
36
P

Phoenix

Arize Phoenix: Open Source AI Development Platform

Launch
37
P

Portkey

Full-stack LLMOps platform to monitor, manage, and improve LLM-based apps

Launch
38
T

Tabby

Self-hosted AI coding assistant that enhances productivity

Launch
39
V

vLLM

Inference and serving engine for large language models, built

Launch
40
W

Warp

Terminal built for running AI coding agents like Claude Code, Codex

Launch
41
Z

Zed

Your last next editor

Launch
42
U

Unsloth

Local UI to run and train LLMs and diffusion models

Launch
43
T

Theia IDE

An extensible open-source IDE

Launch
44
P

PhotoPrism

AI-Powered Photos App

Launch
45
E

ECC

The agent harness performance optimization system

Launch
46
G

Graphify

Turn any codebase, with its docs, SQL schemas, configs, and PDFs

Launch
47
U

Upscayl

Free and Open Source AI Image Upscaler

Launch
48
C

Chatbox AI

Chatbox AI enables chat with documents, images

Launch
49
F

Folo

Folo is the AI RSS Reader

Launch
50
N

Netron

Visualizer for neural network and machine learning models

Launch

About Codex

C

Codex

Lightweight coding agent that runs in your terminal

Codex is OpenAI's cloud-based coding agent that runs in a sandboxed environment to write features, fix bugs, and answer codebase questions. It works asynchronously on parallel tasks, reading your GitHub repos and creating pull requests with verifiable changes you can review and merge.

View CodexAll AI apps
Made by
OpenAI
Category
AI
Website
chatgpt.com/codex