GPT-5.2

OpenAI's flagship model for coding and agentic tasks across industries. Features 400k context window and multimodal output capabilities.

Model Specifications

Context window 400,000 tokens
Max output 128,000 tokens
Knowledge cutoff August 2025
Multipart messages Yes
Vision capabilities Yes

Default Parameters

Temperature 0.3
Top P 1.0
Frequency penalty 0.0
Presence penalty 0.0

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