Deep research with GPT 5.4 Thinking mode

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GPT 5.4 Research Productivity

How to use the Thinking feature to create research plans, generate citations, and adjust follow-up instructions mid-process without starting a new chat.

Advantages of 'Heavy Thinking Effort'

'Heavy' mode takes longer to process than 'Standard', but it delivers significantly higher quality analysis and is ideal for tasks requiring high data precision.

Real-Time Context Update Feature

You don't need to wait for the AI to finish its response before adding more info. GPT 5.4 lets you 'interfere' or add context mid-process, and the AI will adapt its answer based on the new input immediately.

Reduced Hallucination

Model 5.4 has a 33% reduction in 'hallucination' compared to version 5.2, making it more reliable for tasks that require authentic citations.

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