---
title: "Jamie(Seunghyeon) Yang (@jamie-seunghyeon-yang)"
description: "Rank #156 of 1136 on the Superset leaderboard, tier 2."
canonical: https://superset.sh/jamie-seunghyeon-yang
last-updated: 2026-09-07
---

# Jamie(Seunghyeon) Yang (@jamie-seunghyeon-yang)

Rank #156 of 1136 on the Superset leaderboard, tier 2.

URL: https://superset.sh/jamie-seunghyeon-yang

## Standing

- Rank: #156 of 1136
- Tier: Operator
- Tokens: 20.05B all time
- Cost: $17479.40 API-equivalent
- Sessions: 2455
- Tracking: 2026-08-09 to 2026-09-07

## 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 3 axes, measured over the trailing 30 days.

| Axis | Current | Needed | Met | Measures |
| --- | --- | --- | --- | --- |
| width | 3.8 | 5.5 | no | agents running at once |
| depth | 10.7M | 23.3M | no | tokens per session |
| sustain | 24 | 24 | yes | active days in the last 30 |

## Achievements

- **plant-floor** (level 1 of 3) 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: 1.0K
- spend: 10.0K
- tokens: 10.00B

## Contributions

- Active days in the last year: 24
- Busiest day: 2026-08-25 at 3.39B tokens

## Models

| Provider | Model | Tokens | Cost |
| --- | --- | --- | --- |
| claude | claude-opus-5 | 18.03B | $14399.75 |
| claude | claude-fable-5 | 1.43B | $2724.42 |
| claude | claude-sonnet-5 | 360.5M | $125.16 |
| claude | claude-opus-4-8 | 212.9M | $196.32 |
| claude | claude-fable-5-1 | 20.5M | $33.01 |
| claude | claude-haiku-4-5-20251001 | 1.9M | $0.74 |

## Token breakdown

- Uncached input: 616.6K
- Cached input: 19.41B
- Cache write 5m: 190.5M
- Cache write 1h: 393.4M
- Output: 58.6M
- Reasoning output: 15.6M

Published voluntarily by the account holder. Source: https://superset.sh/jamie-seunghyeon-yang