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OpenAI API — October, 2025

This release delivers significant advancements across AI capabilities and enterprise-grade features. Highlights include GPT-5 Pro for enhanced performance, dynamic video generation with Sora 2 models, and new cost-efficient mini models for speech, audio, and image tasks. Enterprises benefit from new security and compliance tools like Enterprise Key Management, UK data residency, and IP allowlisting, along with a service health dashboard. Developers gain Agent Builder for custom workflows, ChatKit for agent deployment, and expanded evaluation and optimization tools, ensuring a more powerful and secure development environment.

Added

  • Released Enterprise Key Management (EKM). Enterprise Key Management (EKM) allows you to encrypt your customer content at OpenAI using keys managed by your own external Key Management System (KMS).
  • Released UK data residency.
  • Released several new features at OpenAI DevDay:
  • Released GPT-5 Pro, a version of GPT-5 that uses more compute to think harder and provide consistently better answers.
  • Released GPT-Realtime mini and gpt-audio-mini for more cost-efficient speech to speech performance.
  • Released gpt-image-1-mini for more cost-efficient image generation and editing.
  • Launched v1/videos for rich, detailed, and dynamic video generation and remixing with our latest Sora 2 and Sora 2 Pro models.
  • Launched Agent Builder for visually creating custom multi-agent workflows.
  • Launched ChatKit, an embeddable chat interface for deploying agents.
  • Released Trace Evals, Datasets, and Prompt Optimization tools.
  • Launched Service health dashboard.
  • Released IP allowlist. IP allowlisting restricts API access to only the IP addresses or ranges you specify.

Changed

  • gpt-oss-safeguard-120b and gpt-oss-safeguard-20b are safety reasoning models built-upon gpt-oss. Read more here.
  • Evals: Released Third-Party Model Support.