The Most Advanced AI for Professional Work
GPT-5.2 - OpenAI's most powerful model for professional knowledge work,
helping you complete complex tasks and boost productivity
helping you complete complex tasks and boost productivity
Redefining Intelligence
Superior Reasoning & Long Context Understanding
Matches or exceeds industry experts on 70.9% of professional tasks in GDPval benchmark, with 38% fewer errors than predecessor
Supports ultra-long context processing, analyzes complete research papers, financial reports, legal documents and complex materials
Supports ultra-long context processing, analyzes complete research papers, financial reports, legal documents and complex materials

Multimodal Vision, Three Work Modes
State-of-the-art image analysis. Interprets charts, diagrams, and UI screenshots with pixel-perfect precision.
Instant - Fast response for daily tasks
Thinking - Deep reasoning for complex problems
Pro - Maximum accuracy for research-grade output
Instant - Fast response for daily tasks
Thinking - Deep reasoning for complex problems
Pro - Maximum accuracy for research-grade output

Expert Coding & Smart Tool Calling
80% score on SWE-bench Verified. Builds full-stack applications, debugs complex repositories, and automates engineering tasks.
Industry-leading tool-calling performance, supports multi-step autonomous task execution, enabling true AI agent workflows
Industry-leading tool-calling performance, supports multi-step autonomous task execution, enabling true AI agent workflows

GPT-5.1 / GPT-5.2 Key Differences Comparison
See how GPT-5.2 compares to previous generations in performance and capabilities.
Capability | GPT-5.2 | GPT-5.1 |
|---|---|---|
Core Positioning | Professional Work | Conversational Flow |
SWE-bench Verified | 80.0% | 76.3% |
Math (AIME 2025) | 100.0% | 96.0% |
Context Window | 256k | 128k |
Hallucination Rate | -45% vs GPT-4o | -15% |
Frequently Asked Questions
Everything you need to know about the new GPT-5.2 release.
What are the major improvements of ChatGPT 5.2 compared to 5.1?
ChatGPT 5.2 achieved a breakthrough improvement in professional task accuracy, jumping from 38.8% in 5.1 to 70.9%. In coding capabilities, SWE-Bench Verified scores increased from 76.3% to 80%. Additionally, 5.2 shows significant improvements in scientific reasoning, math capabilities, and long-context understanding, with 38% fewer errors, making it more suitable for enterprise-level professional work scenarios.
What's the difference between Instant, Thinking, and Pro modes?
Instant mode is optimized for fast responses, ideal for daily queries, writing, and information retrieval. Thinking mode excels at complex structured work like coding, long document analysis, math calculations, and multi-step planning. Pro mode delivers maximum accuracy and reliability, designed for difficult problems and research-grade tasks. The system automatically selects or allows manual switching based on task complexity.
How does ChatGPT 5.2 help software developers?
ChatGPT 5.2 excels in software engineering, capable of end-to-end feature development, debugging production code, refactoring large codebases, and auto-fixing bugs. It performs exceptionally well in frontend development, especially scenarios involving complex UI and 3D elements. Developer feedback indicates measurable improvements in interactive coding, code reviews, and bug finding with 5.2, reducing manual intervention.
Is GPT-5.2 free on Monica?
No, GPT-5.2 is not free. You can use GPT-5.2 by subscribing to it through Monica, consulting our pricing page.
