> ## Documentation Index
> Fetch the complete documentation index at: https://praison.ai/docs/llms.txt
> Use this file to discover all available pages before exploring further.
# Thinking
> Enable agent thinking and reasoning
Thinking mode shows transparent reasoning process.
```mermaid theme={"theme":{"light":"vitesse-light","dark":"vitesse-dark"}}
graph LR
subgraph "Thinking"
Q[❓ Question] --> T[💭 Think]
T --> S[📝 Steps]
S --> A[💬 Answer]
end
classDef input fill:#6366F1,stroke:#7C90A0,color:#fff
classDef think fill:#F59E0B,stroke:#7C90A0,color:#fff
classDef output fill:#10B981,stroke:#7C90A0,color:#fff
class Q input
class T,S think
class A output
```
## Quick Start
```rust theme={"theme":{"light":"vitesse-light","dark":"vitesse-dark"}}
use praisonai::Agent;
let agent = Agent::new()
.name("Thinker")
.thinking(true)
.build()?;
agent.chat("Solve this logic puzzle").await?;
// Shows step-by-step thinking
```
***
## When to Use
| Task | Use Thinking? |
| ----------------- | ------------- |
| Complex problems | ✅ Yes |
| Math calculations | ✅ Yes |
| Simple questions | ❌ No |
***
## Related
Reasoning mode
Planning mode