How many parameters does GPT-5.2 Pro have?

Parameter count for GPT-5.2 Pro is not available. See the Hugging Face model page for full specifications.

Who created GPT-5.2 Pro?

GPT-5.2 Pro was published by OpenAI on Hugging Face.

GPT-5.2 Pro

Name: GPT-5.2 Pro
Author: OpenAI

Multimodalby OpenAI·Model page ↗

OpenAI's multimodal reasoning model with 400K-token context for advanced text and image analysis.

Max output

Most tokens the model can return in a single response.

128Ktokens

Reasoning

Reasoning-first model

Works through a step-by-step chain of thought before answering.

Pricing

per 1M tokens

Input$21 /1M

Output$168 /1M

Web search$0.01

Model Description

GPT-5.2 Pro is OpenAI’s most advanced model, offering major improvements in agentic coding and long context performance over GPT-5 Pro. It is optimized for complex tasks that require step-by-step reasoning,...

Author

OpenAI

Organization · ✓

openai

Details

Downloads—

Likes—

AccessClosed Source

Context400K tokens

Input price$21 /1M

Output price$168 /1M

CreatedDec 10, 2025

Updated—

View on Hugging Face

Get the full context.