---
title: "david xu (@david-xu)"
description: "Rank #2209 of 2501 on the Paradev leaderboard, tier 1."
canonical: https://paradev.com/david-xu
last-updated: 2026-10-26
---

# david xu (@david-xu)

Rank #2209 of 2501 on the Paradev leaderboard, tier 1.

URL: https://paradev.com/david-xu

## Standing

- Rank: #2209 of 2501
- Tier: Button pusher
- Tokens: 1.13B all time
- Cost: $470.44 API-equivalent
- Sessions: 467
- Tracking: 2026-08-25 to 2026-09-24

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

| Axis | Current | Needed | Met | Measures |
| --- | --- | --- | --- | --- |
| width | 1.0 | 3.1 | no | agents running at once |
| depth | 1.8M | 10.4M | no | tokens per session |
| sustain | 30 | 17 | yes | active days in the last 30 |

## Milestones

- sessions: 100
- spend: 100
- tokens: 100.0M

## Contributions

- Active days in the last year: 31
- Busiest day: 2026-08-25 at 116.9M tokens

## Models

| Provider | Model | Tokens | Cost |
| --- | --- | --- | --- |
| claude | glm-5.3 | 394.8M | $53.32 |
| claude | claude-opus-4-6 | 339.6M | $394.88 |
| pi | glm-cn/glm-5.3 | 186.0M | $6.85 |
| pi | default | 85.3M | $3.21 |
| pi | glm-5.3 | 83.3M | $3.20 |
| claude | GLM-5.2 | 18.8M | $3.90 |
| pi | glm-cn/GLM-5.3-Flash | 13.0M | $0.56 |
| claude | glm-5-3-flash-260826 | 5.7M | $2.55 |

## Token breakdown

- Uncached input: 57.4M
- Cached input: 1.04B
- Cache write 5m: 34.1M
- Cache write 1h: 0
- Output: 6.2M
- Reasoning output: 0

Published voluntarily by the account holder. Source: https://paradev.com/david-xu