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Codex usage explodes to 7 million users – surpassing Claude Code?

OpenAI's Codex has experienced tenfold growth over six months and reached 7 million users, with 1 million new users added in just the last day. The growth raises questions about whether Codex has now overtaken Claude Code as the dominant AI tool for code generation.

WHY IT MATTERS

Code generation has become a core function in the AI ecosystem, and these numbers indicate a significant shift in market dominance. It shows that Codex is strengthening OpenAI's position as a provider of developer tools, which could impact the entire value chain for AI-assisted programming.

SOURCES

MACHINE-GENERATED SUMMARY This summary is written by machine from the sources below. We sort and explain — but we are a way into the field, not the final word. Check the source when something matters to you.