Unverified50% confidenceFactExact time
OpenAI's function calling guide recommends using tool_search to lazily load infrequently used tools rather than cramming all tools into a single request.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
10/18/2026
First Seen
Valid until: 1/16/2027
Sources
Related Entities
Related Claims
UnverifiedThe OpenAI Responses API provides a `tool_search` tool, supported on gpt-5.4 and later versions, and also supports setting `defer_loading` for functions or MCP servers.74% similarUnverifiedOpenAI的Function Calling机制、Anthropic的Tool Use API，以及LangChain、AutoGPT等开源框架降低了Agent能力的实现门槛73% similarUnverifiedOpenAI's Tool Calling protocol requires messages to strictly follow the paired order of assistant message → tool message, and each tool message must be precisely matched to the corresponding tool call request in the assistant message via tool_call_id.72% similarUnverifiedBoth OpenAI's Assistants API and Anthropic's Claude tool-calling framework support pausing before tool execution and returning a pending-confirmation state.71% similarUnverifiedWhen calling the OpenAI API, the tool_choice parameter has three optional values: auto (model decides autonomously), none (do not invoke), and required (must invoke).70% similar
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