startLLM

TypeScript SDK reference

startLLM

▸ startLLM(opts): LLM

Start an LLM span as a child of the current Turn. Throws if no Turn is active.

Parameters

Name	Type
opts	LLMInit

Returns

LLM

Example

weave.startLLM({model: 'gpt-4o-mini', providerName: 'openai'});

Example

weave.startLLM({
  model: 'gpt-4o-mini',
  providerName: 'openai',
  startTime: new Date('2026-05-29T10:00:00.000Z'),
});

Defined in

src/genai/api.ts:70

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