If we’re going to talk about the technologies that are shaping our future, we certainly can’t leave out the tremendous advancements in Artificial Intelligence (AI). Over the past few years, AI has slowly but steadily become a typical part of our day-to-day lives. Yet, like every other technology, AI isn't without its fair share of challenges. One significant issue that plagues AI today is bias - more specifically, gender bias.

Considering that AI systems are trained on vast amounts of data generated by humans, it’s not surprising that they can inadvertently carry over social biases present in the data. The resultant effect of this is far from ideal because biased AI systems make decisions and give recommendations that discriminate against certain demographic groups. The effects of gender bias in AI can be notably damaging, leading to job discrimination, unfair loan or policy decisions, and much more.

In recent years, the urgency to combat gender bias in AI systems has gained momentum, giving rise to technologies directed at promoting gender equality. These technologies are designed to check and correct bias at all key stages of AI development: data collection, data preprocessing, model training, and model evaluation.

One formidable tool that has emerged at the forefront of the fight against gender bias in AI is GPT-4, the latest in the series of OpenAI’s transformer language models. Known for its proficiency in natural language understanding and generation, GPT-4 has the potential to revolutionize how we train AI systems to be equality-sensitive.

The primary area of application of gender equality technologies like GPT-4 is in the building of equality-sensitive AI systems. There is a burgeoning recognition of the need to be intentional about incorporating diversity and inclusion principles in AI development. Recognizing biases are the first step. The more challenging part is working to negate these biases to create AI systems that uphold the values of fairness and equality.

With GPT-4, we now have an advanced tool that can scour through tons of data, recognize patterns of bias, iterate across numerous possibilities, and provide alternative, unbiased solutions. Fostering an AI development environment that prioritizes gender equality isn’t only a social responsibility; it's a necessity for the AI of the future - more intelligent, more unbiased, and more fair.

GPT-4 can be utilized to train AI systems to identify and negate gender biases within the data. Through its impressive capability to understand human language and its nuances, GPT-4 can successfully identify instances of sexism, gender bias, or any form of discrimination hidden in the data.

In addition, GPT-4 can be used to carry out machine learning model training with deliberately inclusive datasets. This helps to ensure that the resulting algorithms produce decisions and recommendations that are equality-sensitive.

Further, GPT-4 has a unique ability to continue learning and adapting over time. These continual iterations help the model continually improve its objectivity, pushing AI systems closer to achieving genuine equality-sensitivity.

Moving forward, our focus should not only be on developing AI that is ‘smart’ but also ‘fair’. It’s evident that the responsibility of forging ahead with gender equality in AI lies within our hands. By leveraging innovative technologies like GPT-4, we can inch closer to building AI systems that preserve and uphold the values of fairness, equality and respect for diversity. In doing so, we can create a future where AI is not only driving efficiency and innovation but also promoting social justice and equity.