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Public story · 2026-03-08 · source-backed
Six months free ChatGPT Pro ($200/month), Codex access, and $10M in API credits for open-source cyber defense. Matches Anthropic's "Claude Max for OSS" from late February. Both AI giants now competing for open-source developer loyalty — developer mindshare is the new battleground. Simon Willison | OpenAI
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OpenAI released Frontier / Shared entities / Same source domain / What happened next / Tension
Linked by a graph relationship (OpenAI released Frontier); both cover Codex, OpenAI, Simon Willison; reported by the same outlet (developers.openai.com, simonwillison.net).
Simon Willison uses Claude Code / Shared entities / Same source domain / Shared topic / What happened next
Linked by a graph relationship (Simon Willison uses Claude Code); both cover Codex, OpenAI, Simon Willison; reported by the same outlet (simonwillison.net).
Linked by a graph relationship (Simon Willison uses Claude Code); both cover Codex, OpenAI, Simon Willison; reported by the same outlet (simonwillison.net).
Anthropic partners with OpenAI / Shared entities / Same source domain / Shared topic / What happened next
Linked by a graph relationship (Anthropic partners with OpenAI); both cover Codex, OpenAI, Simon Willison; reported by the same outlet (simonwillison.net).
Linked by a graph relationship (Anthropic partners with OpenAI); both cover Codex, OpenAI, Simon Willison; reported by the same outlet (simonwillison.net).
Simon Willison uses Claude / Shared entities / Same source domain / Shared topic / What happened next
Linked by a graph relationship (Simon Willison uses Claude); both cover OpenAI, Simon Willison; reported by the same outlet (simonwillison.net).
OpenAI released Codex / Shared entities / Shared topic / What happened next
Linked by a graph relationship (OpenAI released Codex); both cover Codex, February, OpenAI; overlapping topics (chatgpt, codex, developer).
Simon Willison uses Claude / Shared entities / Same source domain / Shared topic / Earlier coverage
Linked by a graph relationship (Simon Willison uses Claude); both cover Claude Max, Simon Willison; reported by the same outlet (simonwillison.net).