Premium reasoning model with extended compute for maximum reliability and comprehensive tool access. Designed for challenging problems where accuracy matters more than speed, featuring the highest level of reasoning performance in the o3 family.
- Extended reasoning capability thinking longer to provide the most reliable and detailed responses
- Maximum reliability standard excelling in domains requiring highest accuracy and precision
- Comprehensive tool access with web search, file analysis, visual reasoning, and Python execution
- Expert-validated performance consistently preferred by reviewers across science, education, and programming
- Premium problem-solving ideal for challenging questions where waiting for quality is worthwhile
Web Search
Search the web for current info.
Image Generator
Generate images from text prompts.
Model Information
Supported Formats
GPT 5.2GPT-5.2 is OpenAI’s flagship model for coding, reasoning, and agentic tasks across industries, offering an expanded context window and strong performance for complex multi-step workflows with advanced tool support.
GPT 5.1OpenAI's latest GPT-5.1 released November 2025, featuring smarter and more conversational AI with dynamic reasoning adjustment. Outperforms both GPT-4.1 and GPT-5 while running 2-3x faster with improved coding capabilities and steerability.
GPT 5OpenAI's most advanced unified model released August 2025, combining reasoning and fast response capabilities in one system. Features adaptive routing that automatically switches between instant answers and deep thinking based on task complexity, achieving 94.6% on AIME 2025 and 74.9% on SWE-bench Verified.