OpenAI GPT-5.3 Instant less likely to beat around the bush

OpenAI has released GPT-5.3 Instant, an update to its GPT-5.3 model family that reduces unnecessary refusals, moralizing preambles, and overly cautious responses compared to GPT-5.2 Instant. The model also claims hallucination reductions of up to 26.8% on high-stakes domains (law, medicine, finance) when using web search, and Show more