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About

GPT-5.3-Codex is OpenAI’s most advanced agentic coding model, designed to handle complex professional work on a computer. It combines frontier-level coding performance with advanced reasoning and real-world task execution. The model is faster than previous Codex versions and can manage long-running tasks involving research, tools, and deployment. GPT-5.3-Codex supports real-time interaction, allowing users to steer progress without losing context. It excels at software engineering, web development, and terminal-based workflows. Beyond code generation, it assists with debugging, documentation, testing, and analysis. GPT-5.3-Codex acts as an interactive collaborator rather than a single-turn coding tool.

About

JackHamr is the AI coding agent that ships software end-to-end. Instead of a single AI assistant, it orchestrates specialist agents: a spec agent writes requirements, a planner breaks them into tasks, a builder writes code, a tester runs tests, a reviewer checks quality, and a shipper deploys. Agents run on hosted cloud dev environments with VS Code, Docker, SSH, and WireGuard-encrypted networking, so you can close your laptop and they keep working. Talk to them with push-to-talk voice chat or type naturally. GitHub is built in: one-click clone, automatic branch-per-task, real-time commit sync, and PR creation. Bring your own LLM keys (OpenAI, Anthropic, Google, or self-hosted) or use ours at cost, and swap models mid-pipeline. Pay-as-you-go with itemized billing: infrastructure at cost, LLM tokens with zero markup. $10 free credit to start, no card required.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

GPT-5.3-Codex is built for software engineers, product teams, researchers, and technical professionals who need an interactive AI agent capable of executing complex, end-to-end computer-based work

Audience

Software development teams, individual developers, startups, and engineering organizations that want AI agents to handle the full build-test-ship pipeline on hosted cloud environments.

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

No images available

Pricing

No information available.
Free Version
Free Trial

Pricing

$0 to start, pay-as-you-go
Free Version
Free Trial

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

OpenAI
Founded: 2015
United States
openai.com

Company Information

JackHamr
Founded: 2026
Canada
www.jackhamr.ai

Alternatives

Claude Opus 4.5

Claude Opus 4.5

Anthropic

Alternatives

Claude Opus 4.6

Claude Opus 4.6

Anthropic
Polyscope

Polyscope

Beyond Code

Categories

Categories

Integrations

GitHub
OpenAI
Visual Studio Code
Buda
Claude
Codex Security
Cursor
Devin Desktop
Elixir
JetBrains Junie
Julia
Kotlin
OpenClaw
PHP
PrivatClaw
Python
SQL
Scala
Shiori
Visual Basic

Integrations

GitHub
OpenAI
Visual Studio Code
Buda
Claude
Codex Security
Cursor
Devin Desktop
Elixir
JetBrains Junie
Julia
Kotlin
OpenClaw
PHP
PrivatClaw
Python
SQL
Scala
Shiori
Visual Basic
Claim GPT-5.3-Codex and update features and information
Claim GPT-5.3-Codex and update features and information
Claim JackHamr and update features and information
Claim JackHamr and update features and information