{"artifact":{"id":"art-function-calling-20230613","canonical_url":"https://openai.com/index/function-calling-and-other-api-updates/","artifact_type":"structured_tool_api_release","title":"OpenAI function calling","summary":"GPT-4/3.5 APIs gained structured function-call outputs; GPT-3.5 Turbo also gained a 16K variant.","creator_entities":["OpenAI"],"released_at":"2023-06-13T00:00:00.000Z","content_hash":null,"metadata":{"historical_scope":"2023-Q2"},"created_at":"2026-10-07T14:04:48.589Z","updated_at":"2026-10-07T14:04:48.589Z"},"sources":[{"id":"src-openai-function-calling-20230613","name":"Function calling and other API updates","publisher":"OpenAI","url":"https://openai.com/index/function-calling-and-other-api-updates/","source_type":"developer_api_release","primary_or_secondary":"primary","retrieved_at":"2026-10-07T12:39:09.000Z","published_at":"2023-06-13T00:00:00.000Z","author":"OpenAI","metadata":{"language":"en","jurisdiction":"global","time_precision":"day"},"created_at":"2026-10-07T14:04:48.582Z","updated_at":"2026-10-07T14:04:48.582Z"}]}