421.Announced new models: gpt-4o-search-preview, gpt-4o-mini-search-preview, compute...6 months ago|OpenAI/OpenAI APIAPI
422.Released the Agents SDK, an orchestration framework for designing, building, and...6 months ago|OpenAI/OpenAI APIAPI
423.Released a set of built-in tools for the Responses API: web search, file search,...6 months ago|OpenAI/OpenAI APIAPI
424.Released the Responses API, a new API for creating and using agents and tools.6 months ago|OpenAI/OpenAI APIAPI
439.A 1M token context window and native Compaction support for longer-running agent...6 months ago|OpenAI/OpenAI APIAPI
440.Built-in Computer use support in GPT-5.4 through the Responses API computer tool...6 months ago|OpenAI/OpenAI APIAPIv5.4
441.Tool search in the Responses API, which lets models defer large tool surfaces un...6 months ago|OpenAI/OpenAI APIAPI
444.Safety best practices Safety checks Cybersecurity checks Under...6 months ago|OpenAI/OpenAI APIAPI
447.Supervised fine-tuning Vision fine-tuning Direct preference optimiza...6 months ago|OpenAI/OpenAI APIAPI
448.Using realtime models Managing conversations MCP servers Webho...6 months ago|OpenAI/OpenAI APIAPI