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GPT-5.2 (thinking)

GPT-5.2 (thinking)

Frontier Vision OpenAI

OpenAI's flagship model configured to xhigh reasoning effort.

Try on Simtheory
Qwen 3.6 Plus Frontier Claude 3.7 Sonnet Frontier Claude 3.7 Sonnet (high output) Frontier Claude 3.7 Sonnet (thinking) Frontier Claude 4.5 Opus Frontier Claude 4.5 Sonnet Frontier Claude 4.5 Sonnet (thinking) Frontier Claude 4.6 Opus Frontier Claude 4.6 Opus Max Frontier Claude 4.6 Sonnet Frontier

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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