1018 B
1018 B
Thinking Mode Guide
Complete guide to thinking mode in Gemini 2.5 models.
What is Thinking Mode?
Gemini 2.5 models "think" internally before responding, improving accuracy on complex tasks.
Key Points:
- ✅ Always enabled on 2.5 models (cannot disable)
- ✅ Transparent (you don't see the thinking process)
- ✅ Configurable thinking budget
- ✅ Improves reasoning quality
Configuration
config: {
thinkingConfig: {
thinkingBudget: 8192 // Max tokens for internal reasoning
}
}
When to Increase Budget
✅ Complex math/logic problems ✅ Multi-step reasoning ✅ Code optimization ✅ Detailed analysis
When Default is Fine
⏺️ Simple questions ⏺️ Creative writing ⏺️ Translation ⏺️ Summarization
Model Comparison
- gemini-2.5-pro: Best for complex reasoning
- gemini-2.5-flash: Good balance
- gemini-2.5-flash-lite: Basic thinking