GPT 5.4

1. Claude just discovered workflows. Charlie started there (charlielabs.ai via hn)

   +2 10d gpt-5

   90% cheaper repo inference with gpt-5.4 nano For bounded orchestration decisions, the right model is often the smallest one that can pass a focused validation loop. Claude just discovered workflows.

2. GPT-5.4 says it's GPT-5 in Codex (old.reddit.com via hn)

   +1 11d gpt-5codex

   could not extract summary

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