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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

Slack Code is a collaborative coding experience that brings teammates and AI agents together to build software in the open. Mentioning an agent can start a temporary code channel for a specific task, giving the team a dedicated place to follow the work, provide direction, review changes, and approve the result without cluttering regular channels. Agents begin with the conversations and knowledge they are permitted to access, helping them work with useful team context from the start. Users can describe what they want built and let an agent produce working code while everyone follows along, weighs in, and decides what ships. Code channels archive automatically when the task is complete, while their context remains searchable for future reference. Agents are organized in the Agents tab, where users can check sessions, monitor live status, and see when input is needed. Smarter threads create clearer titles so previous work is easier to find and resume.

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 teams and non-technical collaborators seeking to build, review, and approve AI-generated code together inside shared Slack workflows

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

Pricing

No information available.
Free Version
Free Trial

Pricing

$4.38 per month
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

Slack
Founded: 2014
United States
slack.com/features/code-channels

Alternatives

Alternatives

GPT-5.5

GPT-5.5

OpenAI
Claude Opus 4.5

Claude Opus 4.5

Anthropic
MiMo Code

MiMo Code

Xiaomi Technology
JetBrains Air

JetBrains Air

JetBrains

Categories

Categories

Integrations

ChatGPT
GitHub
OpenAI
OpenAI Codex
Anthropic
C#
ChatGPT Enterprise
ChatGPT Work
Cheaper Inference
Claude
Elixir
HTML
JetBrains Junie
Oh My OpenAgent
PHP
R
Shiori
Slack
TypeScript
Verdent

Integrations

ChatGPT
GitHub
OpenAI
OpenAI Codex
Anthropic
C#
ChatGPT Enterprise
ChatGPT Work
Cheaper Inference
Claude
Elixir
HTML
JetBrains Junie
Oh My OpenAgent
PHP
R
Shiori
Slack
TypeScript
Verdent
Claim GPT-5.3-Codex and update features and information
Claim GPT-5.3-Codex and update features and information
Claim Slack Code and update features and information
Claim Slack Code and update features and information