---
title: "Sehyun YU (@1125yupiter)"
description: "Rank #339 of 2498 on the Paradev leaderboard, tier 1."
canonical: https://paradev.com/1125yupiter
last-updated: 2026-10-26
---

# Sehyun YU (@1125yupiter)

Rank #339 of 2498 on the Paradev leaderboard, tier 1.

URL: https://paradev.com/1125yupiter

## Standing

- Rank: #339 of 2498
- Tier: Button pusher
- Tokens: 46.56B all time
- Cost: $24741.55 API-equivalent
- Sessions: 6188
- Tracking: 2026-08-18 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. Operator 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 | 4.8 | 3.1 | yes | agents running at once |
| depth | 6.9M | 10.4M | no | tokens per session |
| output | 3.0 | 2.1 | yes | agent PRs merged per week |
| sustain | 30 | 17 | yes | active days in the last 30 |
| cost | $799.93 | <= $315.60 | no | USD per merged PR, lower is better |

## Achievements

- **plant-floor** (level 1 of 3) at 10, earned 2026-09-30
- **two-hands** (level 1 of 3) at 10, earned 2026-09-30
- **whole-task** (level 1 of 3) at 2.5M, earned 2026-09-30

## Milestones

- sessions: 1.0K
- spend: 10.0K
- tokens: 10.00B

## Contributions

- Active days in the last year: 52
- Busiest day: 2026-10-15 at 3.62B tokens

## Models

| Provider | Model | Tokens | Cost |
| --- | --- | --- | --- |
| claude | claude-opus-5-5 | 27.04B | $11338.81 |
| claude | claude-opus-5 | 8.77B | $6500.77 |
| claude | claude-sonnet-5-5 | 5.31B | $1623.56 |
| claude | claude-fable-5-1 | 2.24B | $2000.70 |
| codex | gpt-6-astra | 842.7M | $1487.11 |
| codex | gpt-6-sol | 580.5M | $152.85 |
| cursor | claude-opus-5-thinking-high | 545.3M | $484.19 |
| cursor | claude-opus-5-thinking-max | 391.3M | $445.77 |

## Token breakdown

- Uncached input: 116.8M
- Cached input: 45.22B
- Cache write 5m: 444.4M
- Cache write 1h: 627.5M
- Output: 152.4M
- Reasoning output: 40.2M

Published voluntarily by the account holder. Source: https://paradev.com/1125yupiter