211.Released the Responses API, a new API for creating and using agents and tools.4 months ago|OpenAI/OpenAI APIAPI
226.A 1M token context window and native Compaction support for longer-running agent...4 months ago|OpenAI/OpenAI APIAPI
227.Built-in Computer use support in GPT-5.4 through the Responses API computer tool...4 months ago|OpenAI/OpenAI APIAPIv5.4
228.Tool search in the Responses API, which lets models defer large tool surfaces un...4 months ago|OpenAI/OpenAI APIAPI
231.Safety best practices Safety checks Cybersecurity checks Under...4 months ago|OpenAI/OpenAI APIAPI
234.Supervised fine-tuning Vision fine-tuning Direct preference optimiza...4 months ago|OpenAI/OpenAI APIAPI
235.Using realtime models Managing conversations MCP servers Webho...4 months ago|OpenAI/OpenAI APIAPI