GPT-5.2 Pro

openai

The ultimate version of GPT-5.2 that produces smarter and more precise responses. This model allocates massive compute resources to think deeply and thoroughly about the hardest challenges. With a 400K context window, multimodal capabilities including image generation, and maximum reasoning power, it tackles problems that require the highest quality thinking available. For cutting-edge research, groundbreaking problem-solving, and situations where precision and correctness are paramount.

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Capabilities

Tool Use

File Input

Extended Thinking

Image Input

Technical Specifications

Context Window

400,000 tokens

Max Output

128,000 tokens

Input Cost

$21 per 1M tokens

Output Cost

$168 per 1M tokens

File Input Limit

20 files

Files in Assistant Messages

Yes

Availability

Super

Minimum plan required

$200 per month