Build leading AI products on OpenAI’s platform
Powered by our frontier models
Our industry-leading models deliver advanced intelligence and multimodal capabilities.
Pricing above reflects standard processing rates for context lengths under 270K. Learn more about Batch Processing(opens in a new window) and Data residency & Regional Processing(opens in a new window).
GPT‑5.6 Sol’s promotional pricing is available at least through November 21, 2026.
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Prompting guidance
Learn how to prompt GPT‑5 series for highest performance.
Migration support
Learn how to migrate from other OpenAI models to the GPT‑5 series.
Model best practices
Learn how to optimize GPT‑5.6 performance from our startup community.
The all-in-one platform for agents
Build agents that use your context and tools to get work done across your systems.
Create agent workflows with the Agents SDK and Responses API, and add voice with the Realtime API.
Give agents relevant context through built-in tools like web search, file search, and remote MCP servers.
Connect agents securely to business systems so they can take action across workflows.
Bring AI experiences to life
Build natural-sounding voice agents with Realtime API(opens in a new window) for rich customer experiences and support.
Zillow makes home and financing searches easier with voice using the Realtime API.
Use cases driven by our platform
Coding
Accelerate development cycles with models that write, review, debug, refactor, and migrate code.
Customer support
Deliver faster customer support with models that resolve issues autonomously and handle customer queries.
Personalized recommendations
Surface recommendations tailored to your customers to drive engagement, retention, and revenue.
Research & data analysis
Turn complex data into clear insights and synthesized findings.
Content generation
Produce high-quality content across text and image to match your brand's look and feel.
Education
Enhance learning with AI tools for lesson planning, tutoring, and support.
Enterprise-grade features for operating at scale
No training on your data
Zero data retention policy by request
Business Associate Agreements (BAA) for HIPAA compliance
SOC 2 Type 2 compliance
Data residency controls
IP Allowlist and mTLS network controls
Single sign-on (SSO) and multi-factor authentication (MFA)
Data encryption at rest (AES-256) and in transit (TLS 1.2+)
Manage access to tools, models, and projects through role based access controls
Set billing and usage alerts to avoid overages
View granular usage and cost activity by project
Dedicated account team and prioritized support
Guidance on AI deployment and best practices from solutions architects
Opportunity to collaborate with researchers on building custom AI models
Get started
Work with AI advisors to solve complex challenges
Get hands-on deployment guidance
Unlock advanced data retention and data residency controls
Access our frontier models and APIs
Simple pay-as-you-go pricing
Test in the Playground
Build with our API documentation and developer resources