Codex Pro 100 - Official Personal Upgrade

1. Important Notes

Codex Pro 100 - Official Personal Upgrade at Empire X activates OpenAI's Pro 5x subscription tier ($100/month) directly on your personal account, unlocking OpenAI Codex coding agent usage limits 5 times higher than the Plus plan across every surface from the Terminal (CLI) and IDEs (VS Code, Cursor, Windsurf, JetBrains) to the Cloud (GitHub). All of your project source code, personal configurations, and conversation histories remain 100% private under your own account.

• Account Type: Official personal upgrade applied directly to the customer's individual OpenAI / ChatGPT (Email/Gmail) account. This is never a shared account, ensuring stable GitHub, IDE, and Codex CLI connections without session conflicts.
• Target Audience: Full-stack developers, software engineers, DevOps specialists, and product teams who use OpenAI Codex daily to write code, refactor large codebases, run automated tests, and open Pull Requests, but frequently hit the rate limits of the Plus ($20/month) tier.
• Privacy: All connected repositories, AGENTS.md configuration files, MCP server connections, Codex CLI/IDE session histories, and ChatGPT Work tasks remain completely isolated on your personal account—no one else can view or access your data.

Important Warnings:

• Do not manually cancel the subscription, modify payment methods, or tamper with the Billing settings in your account after the upgrade has been completed.
• The account being upgraded must not have an active paid subscription currently billed through the Apple App Store or Google Play Store (if applicable, please cancel the renewal and wait for the billing cycle to expire before upgrading).
• Strictly do not share your account credentials or export Codex CLI authentication tokens for multiple users to run simultaneously across different IP addresses, as this triggers OpenAI's security locks.
• Codex usage on the Pro 100 plan runs on token-based credits (input, cached input, and output) with an allowance 5 times larger than Plus; enabling Fast mode (which consumes 2x – 2.5x credits) or keeping too many active MCP servers connected simultaneously will draw down your allowance faster.

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2. Product Details

Codex Pro 100 (also known as OpenAI Codex Pro 5x) is an advanced developer-focused subscription tier released by OpenAI with an official international retail price of $100 USD/month, bundled directly with the ChatGPT Pro 100 plan. The subscription delivers 5 times the autonomous coding capacity of the Plus ($20/month) tier on OpenAI Codex, unlocking frontier models including GPT-6.1 Sol, GPT-6 Astra, GPT-5.3-Codex, and the high-speed Codex-Spark research preview without 5-hour rolling window restrictions. By choosing Codex Pro 100 - Official Personal Upgrade at Empire X, you secure authentic Agentic Coding power directly on your personal account at significant savings.

How does the multi-surface coding ecosystem of Codex Pro 100 work?

Unlike traditional autocomplete plugins that only suggest single lines of code, OpenAI Codex is an autonomous software engineering agent synchronized seamlessly across 4 environments using a single login:

• Codex CLI (Open-Source Terminal Agent): Built in Rust (Apache-2.0) to run locally inside your terminal on macOS, Linux, and Windows. It supports automatic branch isolation via managed Git worktrees (--worktree), parallel subagent orchestration (Subagents /agents), MCP server integrations, voice input, and approval-gated Guardian reviews.
• Codex IDE Extension: Integrates natively into VS Code, Cursor, Windsurf, VS Code Insiders, JetBrains IDEs, and Xcode, allowing you to highlight code blocks, request targeted edits, inspect visual diffs, and execute test suites directly inside your editor.
• Codex Cloud (Web & Desktop/Mobile Apps): Connects directly to your GitHub / GitLab repositories to delegate background Cloud Tasks even when your laptop is closed or via the ChatGPT iOS/Android mobile app, run automated vulnerability scans with Codex Security Cloud (Daybreak Blue), and generate review-ready Pull Requests.

Which AI coding models and usage limits does this upgrade unlock?

Since April 2026, OpenAI measures Codex usage via token-based credits (input, cached input, and output) and unlocks its full frontier model lineup on the Pro 100 tier:

• Next-Generation Coding Model Lineup: Runs GPT-6.1 Sol by default alongside GPT-6 Astra (GPT-6 Pro), GPT-5.6 Sol Pro, GPT-5.3-Codex (achieving 85.5% autonomous accuracy on SWE-bench and 64.7% computer-use accuracy on OSWorld), and GPT-5.4-mini optimized for high-frequency subagent calls.
• Exclusive Codex-Spark Access (Research Preview): Unlocks GPT-5.3-Codex-Spark exclusively for Pro-tier subscribers, delivering near-instantaneous code generation at 1,000+ tokens per second with a 128K context window for rapid interactive debugging.
• 5x Plus Allowance & No 5-Hour Rolling Cap: Provides capacity equivalent to roughly 50 – 300 cloud tasks per 5-hour benchmark window depending on task size and model (compared to 15 – 80 tasks on Plus). Crucially, OpenAI has permanently removed the 5-hour rolling cap on Pro plans, letting you spend your weekly allowance freely during intensive sprint days.

How does Codex Pro 100 differ from the Free tier and Go / Plus plans?

The Free plan ($0) only permits tiny trial tasks on the CLI/Web, while the Go tier ($8/month) completely lacks cloud task delegation for background agents. Meanwhile, the Plus plan ($20/month) enforces a strict 5-hour rolling window cap that frequently throttles developers mid-refactor on large repositories. Upgrading to Codex Pro 100 - Official Personal Upgrade multiplies your token pool by 5x, removes the 5-hour cap, unlocks Codex-Spark / GPT-6 Astra, and includes full ChatGPT Pro $100 ecosystem benefits (ChatGPT Work, Deep Research, Sora, Images 2.0, and the 24/7 Dot agent).

Key Features

• 5x Plus Coding Capacity (5x Usage): Smoothly run concurrent sessions across the Codex CLI, IDE Extension, and background Codex Cloud tasks without hitting mid-session walls.
• No 5-Hour Rolling Window Limit: Flexibly allocate your weekly compute allowance around your actual engineering deadlines without being locked out after a few hours of debugging.
• Exclusive Access to GPT-6 Astra, GPT-6.1 Sol & Codex-Spark: Combine the deep architectural reasoning of Pro-tier models with the 1,000+ tokens/second speed of Codex-Spark.
• Safe Parallel Development with Git Worktrees & Subagents: Automatically isolate parallel tasks into separate Git worktrees so multiple subagents can build features simultaneously without local file conflicts.
• Full ChatGPT Pro 100 Ecosystem Included: Bundled in the same subscription with ChatGPT Work, autonomous Computer Use, 50–125+ monthly Deep Research runs, unlimited image generation, and ~5,000 Sora credits.

Delivery Process at Empire X

1. Select your desired subscription duration for Codex Pro 100 - Official Personal Upgrade on the Empire X website and enter your OpenAI/ChatGPT account details as instructed at checkout.
2. Complete the payment via bank transfer or supported online payment methods on the system.
3. The Empire X technical team processes your order and activates the Pro 100 ($100/month) subscription directly on your personal account.
4. Receive a completion notification, sign in with your account on the ChatGPT app, VS Code/Cursor, or run codex in your Terminal to authenticate your Pro plan and start coding.

• Processing Time: 15-30 minutes during business hours.

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3. Subscription & Features

• Account Type: Official personal upgrade directly on the customer's individual OpenAI / ChatGPT account.
• Subscription Duration: Flexible options (1 month, 3 months, 6 months, 12 months) based on the package variant registered on the Empire X website.

Detailed Comparison Table of OpenAI Codex & ChatGPT Plans (2026 Update)

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4. Warranty Policy

Warranty Period: Depending on the plan selected by the customer, please check the information on the website and in the confirmation email sent upon ordering.

Warranty Policy for Defective Products:

• Replace with an equivalent new product OR
• Refund based on the unused time (Example: 12-month plan used for 3 months -> 75% refund)

Disclaimer:

• The customer manually cancels the subscription, modifies payment information in the Billing section, or deletes their OpenAI account after the upgrade has been completed.
• The customer's account is permanently locked or suspended by OpenAI due to violations of OpenAI's Usage Policies (such as using Codex to develop malware, conduct cyberattacks, exploit unauthorized vulnerabilities, or share the account across multiple simultaneous users from abnormal IP addresses).
• The customer uses unauthorized third-party software, automated scripts, or proxy/request-spamming tools to interfere with the OpenAI Codex system, resulting in account suspension or feature revocation.

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5. FAQ

1. What is Codex Pro 100 - Official Personal Upgrade? It is a service that upgrades your personal OpenAI account directly to the Pro 5x subscription tier (officially priced at $100 USD/month), providing 5 times the OpenAI Codex coding agent capacity of the Plus ($20/month) plan alongside all benefits of ChatGPT Pro 100.

2. Does OpenAI sell Codex as a separate subscription from ChatGPT Pro 100? No, OpenAI bundles Codex and ChatGPT together under a single unified subscription. When you upgrade to Codex Pro 100 at Empire X, you receive both the 5x coding allowance across Codex (CLI, IDE, Cloud) and the complete ChatGPT Pro $100 suite (including GPT-6 Astra, ChatGPT Work, Deep Research, and Sora) without paying twice.

3. Can I use my Codex Pro 100 account inside Cursor, VS Code, and the Terminal (CLI)? Yes, simply install the Codex IDE Extension on VS Code, Cursor, Windsurf, JetBrains, or Xcode, and install the Codex CLI in your Terminal (macOS, Linux, Windows). Once you sign in with your upgraded account, all of these surfaces draw seamlessly from your shared 5x Pro 100 allowance pool.

4. How does Codex Pro 100 differ from Codex Plus ($20) and Codex Pro 200 ($200)? Compared to the Plus ($20) plan, Pro 100 delivers 5x more token capacity, unlocks Pro-exclusive models (such as GPT-6 Astra, GPT-5.6 Sol Pro, and Codex-Spark), and removes the 5-hour rolling window cap. Compared to Pro 200 ($200 - which offers 10x–20x Plus usage), Pro 100 includes the exact same core features at half the cost for individual full-time developers.

5. How do I authenticate my upgraded personal account inside the Codex CLI? After installing the Codex CLI on your machine, open your terminal inside a project directory, run the codex command, and select the option to sign in with your ChatGPT plan rather than entering an API key. Your browser will authenticate your Pro 100 subscription and immediately unlock your 5x allowance without incurring pay-per-token API charges.

6. Is my project source code kept private when using an official personal upgrade from Empire X? Yes, your code is 100% private because the subscription is activated directly on your own personal account rather than a shared account. Furthermore, inside the Codex CLI you can strictly govern file read/write access using the /permissions command and local sandbox controls.

7. How is usage deducted on Codex Pro 100 and how can I make my allowance last longer? OpenAI deducts usage based on token credits (input, cached input, and output) shared across the Codex CLI, IDE, Cloud, and ChatGPT Work. To stretch your 5x allowance further, keep your AGENTS.md instruction file concise, disable unused MCP servers, and route routine subtasks to lightweight models like GPT-5.4-mini or GPT-6 Luna.

8. Will I be throttled by a 5-hour rolling limit during heavy coding sprints on Codex Pro 100? No, OpenAI has permanently removed the 5-hour rolling window cap across all Pro subscription tiers. You can run hundreds of debugging and testing tasks continuously during peak sprint days as long as you remain within your weekly allowance ceiling.

9. How does Empire X handle it if my account loses its Pro 100 status during the warranty period? Simply contact Empire X customer support immediately with your order ID. Our technical team will inspect and reactivate your subscription promptly, replace it with an equivalent new upgrade, or issue a prorated refund for the unused time under our warranty policy.

10. Where can I buy a genuine, affordable Codex Pro 100 upgrade reputably in Vietnam? Empire X is a leading trusted platform in Vietnam offering genuine, cost-effective Codex Pro 100 - Official Personal Upgrade services with fast activation within 15-30 minutes. Customers are guaranteed a safe upgrade directly on their personal account without needing an international credit card, backed by transparent full-term warranty coverage.