GPT-5.4 to bring a million-token context window and an extreme reasoning mode
SMRTR summary
OpenAI's upcoming GPT-5.4 will feature a massive one-million-token context window, doubling the current model's capacity and matching competitors like Google and Anthropic. The model introduces an "extreme" thinking mode for complex research tasks and promises greater reliability for multi-hour operations, addressing previous limitations in OpenAI's AI capabilities.
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