---
title: "zhangzh-pku (@zhangzh-pku)"
description: "Rank #88 of 1126 on the Superset leaderboard, tier 1."
canonical: https://superset.sh/zhangzh-pku
last-updated: 2026-09-07
---

# zhangzh-pku (@zhangzh-pku)

Rank #88 of 1126 on the Superset leaderboard, tier 1.

URL: https://superset.sh/zhangzh-pku

## Standing

- Rank: #88 of 1126
- Tier: Button pusher
- Tokens: 30.07B all time
- Cost: $34353.75 API-equivalent
- Sessions: 2656
- Tracking: 2026-07-29 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. 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 | 4.0 | 3.1 | yes | agents running at once |
| depth | 11.6M | 10.4M | yes | tokens per session |
| output | 7.0 | 2.1 | yes | agent PRs merged per week |
| sustain | 29 | 17 | yes | active days in the last 30 |
| cost | $910.41 | <= $315.60 | no | USD per merged PR, lower is better |

## Achievements

- **plant-floor** (level 2 of 3) at 30, earned 2026-09-07
- **ship-it** (level 2 of 4) at 10, earned 2026-09-07
- **two-hands** (level 2 of 3) at 30, 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: 39
- Busiest day: 2026-08-04 at 1.98B tokens

## Models

| Provider | Model | Tokens | Cost |
| --- | --- | --- | --- |
| claude | claude-fable-5 | 12.20B | $19160.47 |
| codex | gpt-5.6-sol | 7.38B | $5225.67 |
| claude | claude-opus-5 | 5.58B | $4325.71 |
| claude | claude-opus-4-8 | 2.64B | $3003.03 |
| claude | claude-fable-5-1 | 1.17B | $1986.02 |
| claude | claude-opus-4-6 | 235.8M | $198.91 |
| codex | gpt-6-astra | 162.6M | $261.36 |
| claude | deepseek/deepseek-v4-flash-0731 | 122.1M | $26.39 |

## Token breakdown

- Uncached input: 298.8M
- Cached input: 29.00B
- Cache write 5m: 186.2M
- Cache write 1h: 495.6M
- Output: 90.4M
- Reasoning output: 28.7M

Published voluntarily by the account holder. Source: https://superset.sh/zhangzh-pku