---
title: "Cliff Hartley (@cliffy)"
description: "Rank #821 of 2498 on the Paradev leaderboard, tier 2."
canonical: https://paradev.com/cliffy
last-updated: 2026-10-26
---

# Cliff Hartley (@cliffy)

Rank #821 of 2498 on the Paradev leaderboard, tier 2.

URL: https://paradev.com/cliffy

## Standing

- Rank: #821 of 2498
- Tier: Operator
- Tokens: 18.56B all time
- Cost: $12763.53 API-equivalent
- Sessions: 1658
- Tracking: 2026-08-03 to 2026-10-26

## How this tier was reached

Tier is a weighted score across the axes measured for you, so a strong axis offsets a weak one. Plant Manager needs a higher combined score, and cost also caps the tier on its own.
Scored on 5 axes, measured over the trailing 30 days.

| Axis | Current | Needed | Met | Measures |
| --- | --- | --- | --- | --- |
| width | 2.0 | 5.5 | no | agents running at once |
| depth | 30.9M | 23.3M | yes | tokens per session |
| output | 4.0 | 6.0 | no | agent PRs merged per week |
| sustain | 21 | 24 | no | active days in the last 30 |
| cost | $216.11 | <= $104.48 | no | USD per merged PR, lower is better |

## Achievements

- **efficient** (level 1 of 3) at $750, earned 2026-09-07
- **ship-it** (level 2 of 4) at 10, earned 2026-09-07
- **two-hands** (level 1 of 3) at 10, earned 2026-09-07
- **whole-task** (level 2 of 3) at 10.0M, earned 2026-09-07

## Milestones

- sessions: 100
- spend: 1.0K
- tokens: 1.00B

## Contributions

- Active days in the last year: 61
- Busiest day: 2026-10-07 at 1.24B tokens

## Models

| Provider | Model | Tokens | Cost |
| --- | --- | --- | --- |
| claude | claude-opus-5-5 | 10.72B | $4831.83 |
| claude | claude-opus-5 | 3.52B | $2641.55 |
| claude | claude-fable-5-1 | 1.47B | $2049.37 |
| claude | claude-fable-5 | 1.37B | $2213.09 |
| claude | claude-sonnet-5 | 874.8M | $455.97 |
| claude | claude-opus-4-8 | 501.6M | $518.38 |
| claude | claude-sonnet-5-5 | 95.2M | $47.50 |
| claude | claude-haiku-4-5-20251001 | 10.3M | $2.31 |

## Token breakdown

- Uncached input: 1.3M
- Cached input: 18.10B
- Cache write 5m: 164.8M
- Cache write 1h: 219.0M
- Output: 76.6M
- Reasoning output: 41.9M

Published voluntarily by the account holder. Source: https://paradev.com/cliffy