FlagshipOpenAI

GPT-5.2 Pro

GPT-5.2 Pro is OpenAI's flagship multimodal model with a 400K token context window, supporting text and image inputs for complex reasoning and coding tasks.

Context 400K
Tier Flagship
Knowledge Jun 2025
Tools Supported
Modalities text, image
Input from
$21.00 / 1M tokens
across 1 provider

API Pricing

ProviderInput / 1MOutput / 1MUpdated
$21.00$168.004/14/2026

Prices updated daily. Last check: 4/14/2026

Model Details

General

Creator
OpenAI
Family
GPT
Tier
Flagship
Context Window
400K
Knowledge Cutoff
Jun 2025
Modalities
Text, Image

Capabilities

Tool Calling
Yes
Open Source
No
Subtypes
Chat Completion, Code Generation

Strengths & Limitations

  • 400,000 token context window enables processing of very large documents and codebases
  • Multimodal support for both text and image inputs in a single conversation
  • Tool calling functionality with structured output capabilities
  • Recent knowledge cutoff of June 2025 provides up-to-date information
  • Flagship-tier performance for complex reasoning and multi-step problem solving
  • Strong code generation capabilities across multiple programming languages
  • Chat completion optimized for extended conversational contexts
  • Proprietary model with no open-source weights available
  • No audio or video input modalities supported
  • Flagship pricing tier makes it expensive for high-volume applications
  • Requires API access rather than local deployment options

Key Features

400K token context window
Text and image input processing
Tool calling with structured output
Chat completion API
Code generation and analysis
Streaming response support
Function calling capabilities
Multimodal reasoning

About GPT-5.2 Pro

GPT-5.2 Pro is OpenAI's flagship large language model, positioned as the most capable offering in the GPT family. As a flagship-tier model, it represents OpenAI's most advanced capabilities for handling complex, multi-step tasks that require sophisticated reasoning and planning. The model features a 400,000 token context window, allowing it to process extensive documents, codebases, or conversation histories. It supports both text and image inputs, enabling multimodal workflows that combine visual analysis with text generation. GPT-5.2 Pro includes tool calling capabilities and excels at code generation and chat completion tasks, with a knowledge cutoff of June 2025. GPT-5.2 Pro competes directly with other flagship models like Claude Opus 4.6 and Gemini 3.1 Pro in the premium AI model segment. Its large context window and multimodal capabilities make it suitable for enterprise applications requiring deep document analysis, complex coding projects, and sophisticated agent-based workflows.

Common Use Cases

GPT-5.2 Pro is designed for complex, high-value applications that require flagship-level AI capabilities. Its large context window makes it ideal for analyzing extensive documents, entire codebases, or maintaining long conversational contexts in sophisticated AI agents. The multimodal capabilities enable workflows that combine visual analysis with text generation, such as technical documentation with diagrams, code review with screenshots, or research tasks involving charts and images. Organizations typically deploy GPT-5.2 Pro for strategic projects like advanced coding assistance, complex business analysis, research synthesis, and multi-step reasoning tasks where the highest model performance justifies the premium pricing tier.

Frequently Asked Questions

How much does GPT-5.2 Pro cost per million tokens?

GPT-5.2 Pro pricing varies by provider and usage type (input vs output tokens, standard vs batch processing). Check the pricing table above for current rates across all available providers offering GPT-5.2 Pro access.

What is GPT-5.2 Pro best used for?

GPT-5.2 Pro excels at complex tasks requiring flagship-level performance: analyzing large documents or codebases (up to 400K tokens), multimodal workflows combining text and images, sophisticated coding projects, AI agents with tool calling, and multi-step reasoning tasks. Its capabilities justify use in high-value applications where maximum model performance is needed.

How does GPT-5.2 Pro compare to other flagship models like Claude Opus 4.6?

GPT-5.2 Pro offers a 400K context window and multimodal text/image support, competing directly in the flagship tier with models like Claude Opus 4.6 and Gemini 3.1 Pro. Key differentiators include its specific context window size, OpenAI's training approach, and integration with OpenAI's ecosystem. The best choice depends on your specific requirements for context length, modalities, and model behavior preferences.