It's moves like this OpenAI feels to be pulling ahead of

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It's moves like this OpenAI feels to be pulling ahead of Anthropic. Anthropic is closed everything: closed source Claude Code, no you cannot use other models with CC, and so on. OpenAI: Codex is open source, you can use other models; oh let's make it dead simple to use GLM-5.3:

philipkiely@philipkiely10h ago

Enterprise teams can now use open models like GLM-5.3 Flash and Kimi K3 natively in Codex and count spend against their OpenAI commit. https://t.co/Lnbd9msMQT