OpenAI Integrates Codex into Chrome, Challenging Claude Code
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13:53, 11.05.2026
OpenAI has released a Codex extension for Google Chrome, enabling development directly within the browser. The AI agent now interacts directly with web content, posing as a competitor to Anthropic's Claude Code.
Key Features of the Extension
- Simultaneous data analysis across multiple tabs.
- DevTools Integration: Codex can utilize Chrome’s developer tools for application testing, debugging, and code editing.
- Background Operation: The agent performs tasks in the background without hijacking the cursor, allowing the user to work uninterrupted.
- Testing Automation: Users can verify website interfaces and functionality directly in the browser.
Testing and Growth
Tests show that Codex is capable of fixing a GitHub error in just 3 minutes by identifying problematic files, writing code, and running tests. Following a massive surge in users (4 million in one week), OpenAI introduced a professional tier, Codex Pro, for $100 per month with 5x higher usage limits.
Strategic Decision
The plugin launch is part of OpenAI’s long-term strategy to build a unified ecosystem. In the future, the company aims to merge Codex, ChatGPT, and its own Atlas browser.
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