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Build transformative AI experiences powered by industry-leading models and tools.
Flagship models
Powerful models for every modality
Tools built for AI development
Playground
Explore our models and APIs in the Playground without writing a single line of code.
Assistants API
Build AI assistants within your own applications that can leverage models, tools, and knowledge to do complex, multi-step tasks.
Fine-tuning API
Customize a model’s existing knowledge and behavior for a specific task via supervised fine-tuning.
Tools and functions
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Hear it from our customers
Our customers are leading the way with AI-powered customer service, knowledge management, recommendation engines, audio translation, content generation, and more.
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Features for enterprises operating at scale
Enterprise-grade security
Administrative controls
Access to OpenAI expertise