OpenAI's new GPT-5.4 clobbers humans on pro-level work in tests - by 83% ...
GPT-5.4 is billed as "our most capable and efficient frontier model for professional work." ...
Agent skills shift AI agents toward procedural tasks with skill.md steps; progressive disclosure reduces context window bloat ...
ChatGPT is getting another upgrade, and this time it’s moving up to GPT 5.4, just days after the release of GPT 5.3 Instant.
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