Thinking / Extended Reasoning

import { anthropic } from "@ai-sdk/anthropic";
import { Agent } from "@vibesjs/sdk";

const model = anthropic("claude-opus-4-5", {
  thinking: { type: "enabled", budgetTokens: 10000 },
});

const agent = new Agent({
  model,
  modelSettings: {
    maxTokens: 16000,  // must exceed thinking.budgetTokens
  },
});

const result = await agent.run(
  "Prove that the square root of 2 is irrational."
);
console.log(result.output);

import { google } from "@ai-sdk/google";
import { Agent } from "@vibesjs/sdk";

const model = google("gemini-2-5-flash-thinking", {
  // Gemini thinking models enable extended reasoning by model selection.
  // No additional config required for default thinking mode.
});

const agent = new Agent({ model });

const result = await agent.run("Explain the P vs NP problem.");
console.log(result.output);