OpenAI just rolled out GPT-5.4, a new artificial intelligence model built specifically for professionals who need serious horsepower without the bloat.
The system boasts what the company calls its most advanced capabilities yet in several critical areas. Coding performance represents a major leap forward, addressing a persistent weakness in previous models. The AI can now handle computer use tasks with markedly improved skill, suggesting it can navigate digital environments and execute complex instructions across multiple software platforms.
Perhaps most striking is the 1 million-token context window, a technical measure of how much information the model can process and remember in a single conversation. For perspective, earlier versions operated with far tighter constraints. This expansion means professionals can feed the system entire codebases, lengthy documents, or exhaustive project histories without hitting a wall.
Tool integration gets a significant upgrade too. GPT-5.4 can search for and deploy external tools more effectively than its predecessors, suggesting it understands when to reach for specialized applications rather than trying to solve everything itself.
OpenAI positioned the model as
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