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Codex by OpenAI
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Codex by OpenAI
Your new software engineering teammate
# Code Assistant
Featured on : Aug 29. 2025
Featured on : Aug 29. 2025
What is Codex by OpenAI?
One agent for everywhere you code—included in ChatGPT Plus, Pro, Business, Edu, and Enterprise plans.
Problem
Users previously relied on manual coding processes and separate tools for debugging and optimization, leading to time-consuming and error-prone workflows
Solution
AI-powered code assistant (integrated into ChatGPT) enabling AI-powered code generation, debugging, optimization, and collaboration across IDEs (e.g., GitHub, VS Code)
Customers
Software developers and engineers across startups and enterprises who code regularly and seek productivity gains
Unique Features
Seamless integration with major coding platforms + real-time AI pair programming capabilities
User Comments
Saves hours per week on repetitive tasks
Improves code quality significantly
Easy integration with existing workflows
Occasional hallucinations require verification
Steep learning curve for non-technical users
Traction
Included in ChatGPT Plus (1M+ subscribers) and Enterprise plans
$2B annualized revenue (2023)
Backed by Microsoft's $10B investment
Market Size
The global AI in software development market is projected to reach $10.6 billion by 2028 (CAGR 24.3%)