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March 11, 2025 · OpenAIFeature

Responses API and Agents SDK released, with built-in web search and computer use

Released several new models and tools and a new API for agentic workflows:

  • Released the Responses API, a new API for creating and using agents and tools.
  • Released a set of built-in tools for the Responses API: web search, file search, and computer use.
  • Released the Agents SDK, an orchestration framework for designing, building, and deploying agents.
  • Announced new models: gpt-4o-search-preview, gpt-4o-mini-search-preview, computer-use-preview.
  • Announced plans to bring all Assistants API features to the easier to use Responses API, with an anticipated sunset date for Assistants in 2026 (after achieving full feature parity).