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OpenAI launches "genius" o4 model with a programming CLI tool...

BY fhby7
June 9, 2025
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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.