> ## 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 Usage • Rust AI Agent SDK
> ThinkingUsage: Usage statistics for a single thinking session.
# ThinkingUsage
> Defined in the [**thinking**](../modules/thinking) module.
Rust AI Agent SDK
Usage statistics for a single thinking session.
## Fields
| Name | Type | Description |
| --------------- | ----------------------- | --------------------------------------- |
| `tokens_used` | `usize` | Tokens used in this session |
| `time_seconds` | `f64` | Time taken in seconds |
| `budget_tokens` | `usize` | Token budget for this session |
| `budget_time` | `Option<f64>` | Time budget for this session (optional) |
| `complexity` | `f64` | Task complexity (0.0 to 1.0) |
| `started_at` | `Option<Instant>` | When the session started |
| `ended_at` | `Option<Instant>` | When the session ended |
## Methods
### `tokens_remaining`
```rust theme={"theme":{"light":"vitesse-light","dark":"vitesse-dark"}}
fn tokens_remaining(&self) -> usize
```
Get remaining token budget.
### `time_remaining`
```rust theme={"theme":{"light":"vitesse-light","dark":"vitesse-dark"}}
fn time_remaining(&self) -> Option
```
Get remaining time budget.
### `token_utilization`
```rust theme={"theme":{"light":"vitesse-light","dark":"vitesse-dark"}}
fn token_utilization(&self) -> f64
```
Get token utilization percentage.
### `is_over_budget`
```rust theme={"theme":{"light":"vitesse-light","dark":"vitesse-dark"}}
fn is_over_budget(&self) -> bool
```
Check if over token budget.
### `is_over_time`
```rust theme={"theme":{"light":"vitesse-light","dark":"vitesse-dark"}}
fn is_over_time(&self) -> bool
```
Check if over time budget.
### `to_map`
```rust theme={"theme":{"light":"vitesse-light","dark":"vitesse-dark"}}
fn to_map(&self) -> HashMap
```
Convert to HashMap for serialization.
## Source
`praisonai/src/thinking/mod.rs` at line 301
***
## Related Documentation