OpenAI: GPT-5.2 Chat

GPT-5.2 Chat, also known as Instant, is the agile member of the GPT-5.2 family, specifically engineered for rapid, low-latency chat interactions while maintaining robust general intelligence. This model employs adaptive reasoning, allowing it to selectively engage deeper processing for more challenging queries, thereby enhancing accuracy in areas like mathematics, coding, and multi-step problem-solving without compromising the speed of typical conversations. It offers a warmer, more conversational tone by default, coupled with improved instruction following and more stable short-form reasoning capabilities. Designed for high-throughput, interactive environments, GPT-5.2 Chat excels where responsiveness and consistency are paramount over extensive deliberation. It supports a context window of 128K tokens and a maximum output of 16K tokens. Key capabilities include JSON mode, function calling, long context understanding, vision, structured output, and streaming. Pricing is competitive at $1.75 per 1M input tokens and $14.00 per 1M output tokens. Access is available at the PRO tier. Explore its potential for analysis and document processing.