Browse 41 harnesses

## 30-day usage · **Aug 12–Sep 10, 2026**

Data as of September 11, 2026 · [About the data](/content/rankings/index.html)

Rank **#5** of 21 CLI agents  
Tokens **6.6T**  
Requests **77.4M**

## Capabilities and verification

Reviewed against the HarnessRouter capability catalog on August 24, 2026. Every verified row cites its public source; rule-derived rows apply HarnessRouter's published classification rules to documented behavior. A “No public evidence” badge marks a gap in the public record, not a statement that Pi lacks them.

### Configuration & support

- **Other models** Directly verified
- **Custom instructions** Directly verified
- **Skills** Directly verified
- **Custom tools** Directly verified
- **MCP** Directly verified
- **Sandbox & approvals** Directly verified
- **Sessions** Directly verified
- **Subagents** Directly verified

### Execution & agency

- **Workspace files** Directly verified
- **Structured actions** Directly verified

### Environment control

- **Browser control** Directly verified
- **Computer control** No public evidence

### Observation & capture

- **Screen observation** Directly verified
- **Screenshot export** Directly verified
- **Recording export** No public evidence

### Artifact outputs

- **Documents** Rule-derived
- **Spreadsheets** Rule-derived
- **Presentations** Rule-derived
- **Images** Rule-derived
- **Video** Rule-derived
- **App deployment** No public evidence

Sources: github.com · pi.dev

### Machine interfaces

- SDK · Stable

## Run Pi through HarnessRouter

API harness ID: `pi`

Use it for minimal, steerable coding-agent tasks returned through the HarnessRouter product contract.

[Create an API key and run your first task](https://app.harnessrouter.ai/login?ref=harness-run-it)  
[Run a task](/content/docs/run-a-task/index.html)  
[Harnesses API](/content/docs/harnesses-api/index.html)