Function parse_thinking_tokens 

pub fn parse_thinking_tokens(response: &str) -> (Option<String>, String)

Parse thinking/reasoning tokens from model response

Extracts content between <think> and </think> tags as reasoning, and returns the content after </think> as the main response.

Arguments

• response - Raw model response that may contain thinking tokens

Returns

A tuple of (reasoning, content) where:

• reasoning is Some(String) if thinking tags were found, None otherwise
• content is the text after </think>, or the full response if no tags present

Example

use spec_ai_core::agent::model::parse_thinking_tokens;

let response = "<think>Let me consider this...</think>Here's my answer.";
let (reasoning, content) = parse_thinking_tokens(response);
assert_eq!(reasoning, Some("Let me consider this...".to_string()));
assert_eq!(content, "Here's my answer.");