GPT-5.2 reasoning
GPT-5.2 is the latest frontier-grade model in the GPT-5 series, offering stronger agentic and long context perfomance compared to GPT-5.1. It uses adaptive reasoning to allocate computation dynamically, responding quickly to simple queries while spending more depth on complex tasks.
Built for broad task coverage, GPT-5.2 delivers consistent gains across math, coding, sciende, and tool calling workloads, with more coherent long-form answers and improved tool-use reliability.
Capabilities
Context Window 400k tokens
Max Output 128k tokens
Inputs
Outputs
Pricing (per 1M tokens)
Input $1.75
Output $14.00
Cache Read $0.17
Cache Write -
Supported Parameters
include_reasoningmax_tokensreasoningresponse_formatseedstructured_outputstool_choicetools