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About

Codex Security is an AI-powered application security agent developed by OpenAI to help teams detect and fix vulnerabilities in software systems. The tool analyzes code repositories to understand the structure, architecture, and potential risk areas within a project. Using this context, it identifies complex security issues that traditional scanning tools might overlook. Codex Security prioritizes vulnerabilities based on their real-world impact, helping security teams focus on the most critical threats. The system also validates findings through sandboxed testing environments to reduce false positives and improve accuracy. Once vulnerabilities are confirmed, it proposes patches and remediation steps that align with the system’s existing behavior. By combining AI reasoning with automated validation, Codex Security helps development teams ship more secure code faster.

About

GPT-5.4-Cyber is a specialized, cyber-permissive variant of GPT-5.4 designed specifically to support defensive cybersecurity workflows, enabling security professionals to analyze, detect, and remediate vulnerabilities more effectively. It is fine-tuned to lower the refusal boundary for legitimate security tasks, allowing deeper engagement with activities such as vulnerability research, exploit analysis, and secure code evaluation that are typically restricted in general-purpose models. A key capability includes binary reverse engineering, which allows the model to analyze compiled software without access to source code to identify malware potential, weaknesses, and overall system robustness. Integrated within OpenAI’s Trusted Access for Cyber (TAC) program, the model is distributed through a tiered access system that requires identity verification and progressive trust levels, ensuring that only vetted defenders, researchers, and organizations can access its most advanced features.

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

Codex Security is designed for software developers, DevSecOps teams, security engineers, and organizations that need advanced tools to detect vulnerabilities and secure their software development pipelines

Audience

Verified cybersecurity researchers and security teams who want a tool to analyze vulnerabilities and strengthen defensive security 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

Free
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

OpenAI
Founded: 2015
United States
openai.com/index/scaling-trusted-access-for-cyber-defense/

Alternatives

Alternatives

Claude Mythos

Claude Mythos

Anthropic
Claude Opus 4.6

Claude Opus 4.6

Anthropic
CodeMender

CodeMender

Google DeepMind
SAGE

SAGE

HolistiCyber

Categories

Categories

Integrations

GPT-5.4
ChatGPT Enterprise
Codex CLI
GPT-5
GPT-5.1
GPT-5.1 Instant
GPT-5.1 Pro
GPT-5.1 Thinking
GPT-5.1-Codex
GPT-5.2
GPT-5.2 Instant
GPT-5.2 Thinking
GPT-5.3 Instant
GPT-5.4 Pro
GPT-5.4 mini
GPT-5.4 nano
GPT‑5-Codex
GPT‑5.3‑Codex‑Spark
OpenAI
OpenAI Codex

Integrations

GPT-5.4
ChatGPT Enterprise
Codex CLI
GPT-5
GPT-5.1
GPT-5.1 Instant
GPT-5.1 Pro
GPT-5.1 Thinking
GPT-5.1-Codex
GPT-5.2
GPT-5.2 Instant
GPT-5.2 Thinking
GPT-5.3 Instant
GPT-5.4 Pro
GPT-5.4 mini
GPT-5.4 nano
GPT‑5-Codex
GPT‑5.3‑Codex‑Spark
OpenAI
OpenAI Codex
Claim Codex Security and update features and information
Claim Codex Security and update features and information
Claim GPT‑5.4‑Cyber and update features and information
Claim GPT‑5.4‑Cyber and update features and information