# Got Access to Codex, Here's What Surprised Me

DevFeed: [Got Access to Codex, Here's What Surprised Me](<https://devfeed.tech/articles/got-access-to-codex-here-s-what-surprised-me-49.md>)

Original publisher: [Read original article](<https://blog.abhimanyu-saharan.com/posts/openai-codex-first-look>)

Author: Abhimanyu Saharan

Published: 2025-05-20T00:00:00Z

Content type: opinion

Language: en

Sources: [Abhimanyu Saharan](<https://devfeed.tech/sources/abhimanyu-s-blog.md>)

Topics: [AI Chat](<https://devfeed.tech/topics/ai-chat.md>)

Tags: [agentic-coding](<https://devfeed.tech/tags/agentic-coding.md>), [ai](<https://devfeed.tech/tags/ai.md>), [openai](<https://devfeed.tech/tags/openai.md>)

## AI overview

A first-impressions assessment of OpenAI Codex tested on a six-million-line codebase, describing it as accurate, context-aware, and practical.

## Source excerpt

Tested OpenAI Codex on a 6M-line codebase, surprisingly accurate, context-aware, and practical. Not an endorsement, just honest first impressions.