Latest small reasoning model in the o-series optimized for fast, effective reasoning with exceptional performance in coding and visual tasks. Features streaming support and configurable reasoning effort levels for optimal cost-performance balance.
- Advanced reasoning capabilities optimized for speed and effectiveness in technical domains
- Exceptional coding performance with superior debugging and development assistance
- Visual task proficiency handling complex image analysis and visual reasoning
- Configurable reasoning effort with adjustable complexity levels for cost optimization
- Streaming support enabled for real-time interactions and responsive user experiences
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GPT-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.
OpenAI'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.
OpenAI'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.