---
title: "Jiajie Xu (@jj)"
description: "Rank #852 of 1122 on the Superset leaderboard, tier 0."
canonical: https://superset.sh/jj
last-updated: 2026-09-07
---

# Jiajie Xu (@jj)

Rank #852 of 1122 on the Superset leaderboard, tier 0.

URL: https://superset.sh/jj

## Standing

- Rank: #852 of 1122
- Tier: Unranked
- Tokens: 1.41B all time
- Cost: $1631.57 API-equivalent
- Sessions: 214
- Tracking: 2026-09-04 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. Button pusher 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 | 0.0 | 3.1 | no | agents running at once |
| depth | 0 | 10.4M | no | tokens per session |
| sustain | 4 | 17 | no | active days in the last 30 |

## Milestones

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

## Contributions

- Active days in the last year: 4
- Busiest day: 2026-09-06 at 618.5M tokens

## Models

| Provider | Model | Tokens | Cost |
| --- | --- | --- | --- |
| codex | gpt-6-astra | 739.6M | $1086.47 |
| claude | claude-fable-5-1 | 281.4M | $351.13 |
| codex | gpt-5.6-sol | 228.2M | $130.39 |
| codex | gpt-5.6-luna | 125.7M | $3.66 |
| claude | claude-opus-5 | 32.3M | $59.92 |

## Token breakdown

- Uncached input: 33.7M
- Cached input: 1.35B
- Cache write 5m: 8.1M
- Cache write 1h: 6.5M
- Output: 6.9M
- Reasoning output: 1.8M

Published voluntarily by the account holder. Source: https://superset.sh/jj