StrongDM's three person team ships with zero human code review #ai #engineering
AI models like Codex 5.3 and Claude Code are now building themselves, with Codex 5.3 being instrumental in its own creation and Claude Code generating 90% of its own code. This self-referential development loop is changing developer roles from coding to specification and judgment.
Summary
The content discusses a significant shift in AI development where advanced AI models are now participating in their own creation process. Codex 5.3 represents a breakthrough as the first frontier AI model that was instrumental in creating itself - not metaphorically, but literally through analyzing training logs, flagging failing tests, and suggesting fixes to training scripts. OpenAI reported substantial improvements from this self-referential approach, including a 25% speed improvement and 93% fewer wasted tokens, achieved partly through the model identifying its own inefficiencies during development. Similarly, Claude Code has reached a point where 90% of its code, including the tool itself, was built by the AI system, with this percentage rapidly approaching 100%. This transformation is fundamentally changing the role of human developers, as illustrated by Boris Trenne's experience of not writing code for months while shifting his focus to specification, direction, and judgment. Anthropic is projecting that their entire company will transition to entirely AI-generated code in the near future, representing a fundamental shift in software development practices.
Key Insights
- Codex 5.3 is the first frontier AI model that was instrumental in creating itself, analyzing training logs, flagging failing tests, and suggesting fixes to training scripts
- OpenAI reported a 25% speed improvement and 93% fewer wasted tokens in building Codex 5.3, with improvements coming from the model identifying its own inefficiencies
- 90% of the code in Claude Code, including the tool itself, was built by Claude Code, with that number rapidly converging toward 100%
- Boris Trenne reports not writing code in the last few months, with his role shifting to specification, direction, and judgment instead of coding
- Anthropic is estimating their entire company will move to entirely AI-generated code about now
Topics
Transcript
[0:00] Self-referential loop has taken hold at both Anthropic and OpenAI, and it's stranger than the hype might make it sound. Codex 5.3 is the first frontier AI model that was instrumental in creating itself, and that's not a metaphor. Earlier builds of Codex would analyze training logs, would flag failing tests, and might suggest fixes to training scripts, but this model shipped as a direct product of its own predecessor's coding labor. OpenAI reported a 25% speed improvement and 93% [0:32] fewer wasted tokens in the effort to build Codex 5.3, and those improvements came in part from the model identifying its own inefficiencies during the build process. Isn't that wild? Claude Code is doing something similar. 90% of…
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