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OpenAI launches "genius" o4 model with a programming CLI tool...
BY fhby7
June 9, 2025
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Public
Private
5821 views
Code Report Summary
OpenAI Releases New Models
OpenAI released two new reasoning models, 03 and 04 mini, claimed to be at or above genius level.
There's skepticism about claims of AI genius, reminiscent of past promises.
Continued rapid development from OpenAI, following the release of GPT4.1, 40 image gen, and GPT4.5.
OpenAI Codeex Tool
OpenAI also released an open-source CLI tool named Codeex for code writing, execution, and analysis.
Codeex is a tool similar to Claude Code, integrating with terminal or IDE.
Current State of Developer Tools
Developer tools market is highly competitive, with a focus on capturing software engineers' interests.
OpenAI may be in talks to acquire Windsurf for $3 billion, a VS Code fork.
Microsoft is a major player, aiming to improve developer tools with copilot and agent mode.
Various AI-powered developer tools like Gemini 2.5 and Google’s Firebase Studio are creating chaos in the market.
Tool Comparison Experiment
Testing Codeex: failed to generate a YouTube clone efficiently, performance issues noted on Windows.
Claude Code and Firebase Studio faced similar challenges, notably with Svelte 5 and runes.
Firebase Studio showed faster performance but defaulted to using Next.js instead of requested Svelte 5.
Conclusion
All tested AI coding tools have specific shortcomings.
Though AI tools may not be perfect, it's an exciting time for developers to embrace AI technology.
Sponsor Information: MX
MX offers API-first video infrastructure helpful for developers integrating video into apps.
MX provides hosting, encoding, real-time analytics, thumbnail generation, and live streaming.
Serves startups and large companies like Substack, Patreon, and HubSpot.
Final Note
Encourages developers to continue engaging with AI technologies, despite imperfections and hype.
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OpenAI launches "genius" o4 model with a programming CLI tool...