# LLMSamplingParams Sampling and generation parameters for controlling LLM text output - `maxTokens` (`number | null`, optional): Maximum tokens to generate (>0 if set; provider-dependent limits apply) - `temperature` (`number | null`, optional): Sampling temperature; valid range depends on the configured provider - `topP` (`number | null`, optional): Nucleus sampling threshold 0.0-1.0 (smaller values focus on higher probability tokens) - `topK` (`number | null`, optional): Top-k sampling limit (>0 if set; primarily for local/open-source models) - `frequencyPenalty` (`number | null`, optional): Frequency penalty; valid range depends on the configured provider - `presencePenalty` (`number | null`, optional): Presence penalty; valid range depends on the configured provider - `stopSequences` (`Array | null`, optional): Generation stop sequences; generation halts on exact match [TypeScript](../../typescript.md)