OpenAI Drops GPT-5.4 with "Computer Use" & 1M Context

Just hours ago, OpenAI officially rolled out GPT-5.4, a massive leap featuring a 1-million-token context window and the ability to operate desktop environments natively. This release follows yesterday's surprise launch of Gemini 3.1 Flash-Lite, which has already claimed the efficiency throne, and Alibaba's Qwen 3.5 MoE series, which now dominates the open-weight leaderboards in reasoning and coding.