GPT-5.5 by OpenAI

Advanced AI model for coding, research, and autonomous task execution

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GPT-5.5 is OpenAI's frontier language model optimized for agentic workflows, capable of planning, using tools, and iterating through complex multi-step tasks with minimal human guidance. It is designed for developers, researchers, and knowledge workers who need high-performance assistance with coding, data analysis, and research. It builds on previous GPT models with improved autonomy, speed, and real-world task execution capabilities.

At a glance

Company
OpenAI
Pricing
usage-based
API available
Yes
Self-hostable
No
Launched
2026-04
Last verified
2026-05-11

Capabilities

long-contexttool-usemulti-step-reasoningcode-generationdata-analysisagentic-planning

Categories

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