Gemini の思考

import { GoogleGenAI } from "@google/genai";

const ai = new GoogleGenAI({ apiKey: "GOOGLE_API_KEY" });

async function main() {
  const prompt = "Explain the concept of Occam's Razor and provide a simple, everyday example.";

  const response = await ai.models.generateContent({
    model: "gemini-2.5-flash-preview-05-20",  
    contents: prompt,
  });

  console.log(response.text);
}

main();

// import packages here

func main() {
  ctx := context.Background()
  client, err := genai.NewClient(ctx, option.WithAPIKey(os.Getenv("GOOGLE_API_KEY")))
  if err != nil {
    log.Fatal(err)
  }
  defer client.Close()

  model := client.GenerativeModel("gemini-2.5-flash-preview-05-20")  
  resp, err := model.GenerateContent(ctx, genai.Text("Explain the concept of Occam's Razor and provide a simple, everyday example."))
  if err != nil {
    log.Fatal(err)
  }
  fmt.Println(resp.Text())
}

curl "https://generativelanguage.googleapis.com/v1beta/models/gemini-2.5-flash-preview-05-20:generateContent?key=$GOOGLE_API_KEY" \
 -H 'Content-Type: application/json' \
 -X POST \
 -d '{
   "contents": [
     {
       "parts": [
         {
           "text": "Explain the concept of Occam\''s Razor and provide a simple, everyday example."
         }
       ]
     }
   ]
 }'
 ```

import { GoogleGenAI } from "@google/genai";

const ai = new GoogleGenAI({ apiKey: "GOOGLE_API_KEY" });

async function main() {
  const response = await ai.models.generateContent({
    model: "gemini-2.5-flash-preview-05-20",
    contents: "What is the sum of the first 50 prime numbers?",
    config: {
      thinkingConfig: {
        includeThoughts: true,
      },
    },
  });

  for (const part of response.candidates[0].content.parts) {
    if (!part.text) {
      continue;
    }
    else if (part.thought) {
      console.log("Thoughts summary:");
      console.log(part.text);
    }
    else {
      console.log("Answer:");
      console.log(part.text);
    }
  }
}

main();

package main

import (
  "context"
  "fmt"
  "google.golang.org/genai"
  "os"
)

func main() {
  ctx := context.Background()
  client, _ := genai.NewClient(ctx, &genai.ClientConfig{
    APIKey:  os.Getenv("GOOGLE_API_KEY"),
    Backend: genai.BackendGeminiAPI,
  })

  contents := genai.Text("What is the sum of the first 50 prime numbers?")
  model := "gemini-2.5-flash-preview-05-20"
  resp, _ := client.Models.GenerateContent(ctx, model, contents, &genai.GenerateContentConfig{
    ThinkingConfig: &genai.ThinkingConfig{
      IncludeThoughts: true,
    },
  })

  for _, part := range resp.Candidates[0].Content.Parts {
    if part.Text != "" {
      if part.Thought {
        fmt.Println("Thoughts Summary:")
        fmt.Println(part.Text)
      } else {
        fmt.Println("Answer:")
        fmt.Println(part.Text)
      }
    }
  }
}

import { GoogleGenAI } from "@google/genai";

const ai = new GoogleGenAI({ apiKey: "GOOGLE_API_KEY" });

const prompt = `Alice, Bob, and Carol each live in a different house on the same
street: red, green, and blue. The person who lives in the red house owns a cat.
Bob does not live in the green house. Carol owns a dog. The green house is to
the left of the red house. Alice does not own a cat. Who lives in each house,
and what pet do they own?`;

let thoughts = "";
let answer = "";

async function main() {
  const response = await ai.models.generateContentStream({
    model: "gemini-2.5-flash-preview-05-20",
    contents: prompt,
    config: {
      thinkingConfig: {
        includeThoughts: true,
      },
    },
  });

  for await (const chunk of response) {
    for (const part of chunk.candidates[0].content.parts) {
      if (!part.text) {
        continue;
      } else if (part.thought) {
        if (!thoughts) {
          console.log("Thoughts summary:");
        }
        console.log(part.text);
        thoughts = thoughts + part.text;
      } else {
        if (!answer) {
          console.log("Answer:");
        }
        console.log(part.text);
        answer = answer + part.text;
      }
    }
  }
}

await main();

import { GoogleGenAI } from "@google/genai";

const ai = new GoogleGenAI({ apiKey: "GOOGLE_API_KEY" });

async function main() {
  const response = await ai.models.generateContent({
    model: "gemini-2.5-flash-preview-05-20",
    contents: "Provide a list of 3 famous physicists and their key contributions",
    config: {
      thinkingConfig: {
        thinkingBudget: 1024,
      },
    },
  });

  console.log(response.text);
}

main();

package main

import (
  "context"
  "fmt"
  "google.golang.org/genai"
  "os"
)

func main() {
  ctx := context.Background()
  client, _ := genai.NewClient(ctx, &genai.ClientConfig{
    APIKey:  os.Getenv("GOOGLE_API_KEY"),
    Backend: genai.BackendGeminiAPI,
  })

  thinkingBudgetVal := int32(1024)

  contents := genai.Text("Provide a list of 3 famous physicists and their key contributions")
  model := "gemini-2.5-flash-preview-05-20"
  resp, _ := client.Models.GenerateContent(ctx, model, contents, &genai.GenerateContentConfig{
    ThinkingConfig: &genai.ThinkingConfig{
      ThinkingBudget: &thinkingBudgetVal,
    },
  })

fmt.Println(resp.Text())
}

curl "https://generativelanguage.googleapis.com/v1beta/models/gemini-2.5-flash-preview-05-20:generateContent?key=$GOOGLE_API_KEY" \
-H 'Content-Type: application/json' \
-X POST \
-d '{
  "contents": [
    {
      "parts": [
        {
          "text": "Provide a list of 3 famous physicists and their key contributions"
        }
      ]
    }
  ],
  "generationConfig": {
    "thinkingConfig": {
          "thinkingBudget": 1024
    }
  }
}'

// ...
console.log(`Thoughts tokens: ${response.usageMetadata.thoughtsTokenCount}`);
console.log(`Output tokens: ${response.usageMetadata.candidatesTokenCount}`);

// ...
usageMetadata, err := json.MarshalIndent(response.UsageMetadata, "", "  ")
if err != nil {
  log.Fatal(err)
}
fmt.Println("Thoughts tokens:", string(usageMetadata.thoughts_token_count))
fmt.Println("Output tokens:", string(usageMetadata.candidates_token_count))