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About

Gelt lets you design, build, and deploy full-stack web applications in minutes - no coding or setup required. Fully agent-powered, Gelt generates production-ready code, fixes errors, and handles deployment automatically. Integrated with Stripe, OpenAI, Anthropic, Google AI, and one-click Vercel deploys, Gelt is up to 40% cheaper than competitors. Perfect for developers, startups, and innovators who want to turn ideas into apps instantly.

About

Codex is an AI-powered coding agent from OpenAI designed to help developers build, manage, and ship software more efficiently across the entire development lifecycle. It acts as an intelligent pair programmer that can understand codebases, generate features, and deliver production-ready pull requests. Codex can safely execute commands in sandboxed environments while assisting with debugging, refactoring, and testing. A key advancement is its computer use capability, allowing it to operate your computer by seeing, clicking, and typing across applications. This enables Codex to interact with tools that don’t have APIs, making it useful for tasks like frontend testing and app navigation. The platform also includes an in-app browser and integrations with various developer tools for a more unified workflow. Codex supports automation by handling ongoing tasks such as monitoring, issue triage, and follow-ups.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Supported
Mac Supported
Linux Supported
Cloud Supported
On-Premises Not Supported
iPhone Supported
iPad Supported
Android Supported
Chromebook Not Supported

Audience

Anyone who wants to build their dream app without knowing how to code

Audience

Codex is ideal for software developers, engineering teams, and tech organizations that want to automate coding tasks, leverage AI-driven workflows, and utilize computer-based automation to accelerate software development

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Not Supported

API

Offers API Supported

Screenshots and Videos

No images available

Screenshots and Videos

Pricing

$8.99/month
Free Version Supported
Free Trial Not Supported

Pricing

$20/month
Free Version Supported
Free Trial Supported

Reviews/Ratings

Overall 5.0 / 5
ease 5.0 / 5
features 5.0 / 5
design 5.0 / 5
support 5.0 / 5

Reviews/Ratings

Overall 5.0 / 5
ease 5.0 / 5
features 5.0 / 5
design 5.0 / 5
support 5.0 / 5

Pros & Cons from Real Users

Pros

  • This is an amazing app. The agent is insanely powerful. Blows Lovable, Bolt, and Same.new out of the water. I don’t know how they offer something so well, for so little!

Cons

  • It’s in early stages and the agent is a bit slow. But boy it’s worth the wait. The outputs are insane.

Pros & Cons from Real Users

Pros

  • OpenAI Codex feels less like a coding assistant and more like a junior developer that can execute tasks independently. For knowledge workers juggling technical and non technical work, this shift is powerful because it can take a task, work through it, and return with usable results. Its ability to operate across full codebases is a major strength, allowing it to write, debug, test, and manage multiple files in a way that fits real world development workflows. The multi agent and automation capabilities are particularly useful since you can run parallel tasks and orchestrate work efficiently, which significantly improves productivity on complex projects. It is also expanding beyond pure coding with features that allow interaction with software environments, making it feel like a broader work assistant.

Cons

  • Codex can still struggle with very large or highly complex projects without iteration, and outputs often need refinement through multiple passes. The setup and workflow can feel heavier compared to simpler tools, especially when integrating with repositories or managing environments. There is also strong competition, and in some advanced or highly structured coding scenarios other tools may feel more precise.

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

Gelt.dev
Founded: 2025
United States
gelt.dev

Company Information

OpenAI
Founded: 2015
United States
openai.com

Alternatives

Alternatives

v0

v0

Vercel
Perplexity Computer

Perplexity Computer

Perplexity AI
WebSparks

WebSparks

WebSparks.AI
Bolt.new

Bolt.new

StackBlitz
Agent 3

Agent 3

Replit
Codex CLI

Codex CLI

OpenAI
Claude Code

Claude Code

Anthropic

Categories

Agentic AI Supported
AI App Generators Supported
AI Coding Agents Supported
Vibe Coding Supported

Categories

Agentic AI Supported
AI Agents Supported
AI Code Generators Supported
AI Coding Agents Supported
AI Tools Supported
Vibe Coding Supported

Integrations

C# Not Supported
CSS Not Supported
Checkmarx Not Supported
ClawTab Not Supported
CybeDefend Not Supported
DALL·E 2 Not Supported
Endor Labs Not Supported
GPT-5.1 Not Supported
GPT-5.1 Instant Not Supported
Genie AI Not Supported
Google Drive Not Supported
HTML Not Supported
Muse Spark 1.2 Not Supported
Muse Spark 1.3 Not Supported
Muse Wonder Not Supported
Nimbalyst Not Supported
PHP Not Supported
Session Orchestrator Not Supported
Veracode Not Supported
Whim Not Supported

Integrations

C# Supported
CSS Supported
Checkmarx Supported
ClawTab Supported
CybeDefend Supported
DALL·E 2 Supported
Endor Labs Supported
GPT-5.1 Supported
GPT-5.1 Instant Supported
Genie AI Supported
Google Drive Supported
HTML Supported
Muse Spark 1.2 Supported
Muse Spark 1.3 Supported
Muse Wonder Supported
Nimbalyst Supported
PHP Supported
Session Orchestrator Supported
Veracode Supported
Whim Supported
Claim Gelt.dev and update features and information
Claim Gelt.dev and update features and information
Claim OpenAI Codex and update features and information
Claim OpenAI Codex and update features and information