---
title: "Jeonguk Jang (@jujang)"
description: "Rank #1795 of 2498 on the Paradev leaderboard, tier 2."
canonical: https://paradev.com/jujang
last-updated: 2026-10-26
---

# Jeonguk Jang (@jujang)

Rank #1795 of 2498 on the Paradev leaderboard, tier 2.

URL: https://paradev.com/jujang

## Standing

- Rank: #1795 of 2498
- Tier: Operator
- Tokens: 3.96B all time
- Cost: $2599.72 API-equivalent
- Sessions: 125
- Tracking: 2026-07-30 to 2026-09-11

## 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 | 1.0 | 5.5 | no | agents running at once |
| depth | 37.3M | 23.3M | yes | tokens per session |
| output | 9.0 | 6.0 | yes | agent PRs merged per week |
| sustain | 15 | 24 | no | active days in the last 30 |
| cost | $45.61 | <= $104.48 | yes | USD per merged PR, lower is better |

## Achievements

- **efficient** (level 3 of 3) at $100, earned 2026-09-11
- **ship-it** (level 2 of 4) at 10, earned 2026-09-11
- **whole-task** (level 2 of 3) at 10.0M, earned 2026-09-11

## Milestones

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

## Contributions

- Active days in the last year: 25
- Busiest day: 2026-08-20 at 522.2M tokens

## Models

| Provider | Model | Tokens | Cost |
| --- | --- | --- | --- |
| claude | claude-opus-5 | 3.92B | $2583.20 |
| claude | claude-sonnet-5 | 42.1M | $16.22 |
| claude | claude-haiku-4-5-20251001 | 364.0K | $0.30 |

## Token breakdown

- Uncached input: 38.0K
- Cached input: 3.91B
- Cache write 5m: 0
- Cache write 1h: 38.8M
- Output: 10.7M
- Reasoning output: 1.7M

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