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Available in three sizes—standard, mini, and nano—the system is adaptable to various needs and budgets. The smaller versions ensure that even cost-sensitive applications can leverage cutting-edge AI capabilities, with GPT-5 mini notably cheaper and more capable than previous GPT-4 models.
Unmatched Performance and Capacity
GPT-5 boasts performance improvements that are immediately noticeable:
- Hallucinations—the AI's tendency to produce fabricated facts—are reduced by up to 78% in reasoning mode.