---
title: "Kyungyeol Gu (@kyungyeol-gu)"
description: "Rank #572 of 2498 on the Paradev leaderboard, tier 2."
canonical: https://paradev.com/kyungyeol-gu
last-updated: 2026-10-26
---

# Kyungyeol Gu (@kyungyeol-gu)

Rank #572 of 2498 on the Paradev leaderboard, tier 2.

URL: https://paradev.com/kyungyeol-gu

## Standing

- Rank: #572 of 2498
- Tier: Operator
- Tokens: 28.65B all time
- Cost: $22961.93 API-equivalent
- Sessions: 4066
- Tracking: 2026-08-11 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 | 2.5 | 5.5 | no | agents running at once |
| depth | 13.0M | 23.3M | no | tokens per session |
| output | 3.0 | 6.0 | no | agent PRs merged per week |
| sustain | 29 | 24 | yes | active days in the last 30 |
| cost | $455.59 | <= $104.48 | no | USD per merged PR, lower is better |

## Achievements

- **ship-it** (level 1 of 4) at 1, earned 2026-09-07
- **two-hands** (level 1 of 3) at 10, earned 2026-09-07
- **whole-task** (level 1 of 3) at 2.5M, earned 2026-09-07

## Milestones

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

## Contributions

- Active days in the last year: 73
- Busiest day: 2026-10-16 at 1.26B tokens

## Models

| Provider | Model | Tokens | Cost |
| --- | --- | --- | --- |
| claude | claude-opus-5 | 13.36B | $10596.94 |
| claude | claude-opus-5-5 | 10.31B | $7466.59 |
| claude | claude-fable-5-1 | 4.03B | $4205.59 |
| claude | claude-sonnet-5 | 546.2M | $207.50 |
| codex | gpt-6-astra | 275.9M | $399.30 |
| codex | gpt-5.6-sol | 98.6M | $59.51 |
| claude | claude-opus-4-8 | 25.0M | $23.24 |
| claude | claude-haiku-4-5-20251001 | 5.7M | $2.34 |

## Token breakdown

- Uncached input: 12.4M
- Cached input: 27.91B
- Cache write 5m: 85.3M
- Cache write 1h: 554.6M
- Output: 91.3M
- Reasoning output: 36.2M

Published voluntarily by the account holder. Source: https://paradev.com/kyungyeol-gu