---
title: "yumeng he (@xiaoyang)"
description: "Rank #1166 of 2498 on the Paradev leaderboard, tier 1."
canonical: https://paradev.com/xiaoyang
last-updated: 2026-10-26
---

# yumeng he (@xiaoyang)

Rank #1166 of 2498 on the Paradev leaderboard, tier 1.

URL: https://paradev.com/xiaoyang

## Standing

- Rank: #1166 of 2498
- Tier: Button pusher
- Tokens: 11.06B all time
- Cost: $6515.31 API-equivalent
- Sessions: 1637
- Tracking: 2026-08-25 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 3 axes, measured over the trailing 30 days.

| Axis | Current | Needed | Met | Measures |
| --- | --- | --- | --- | --- |
| width | 4.0 | 3.1 | yes | agents running at once |
| depth | 4.0M | 10.4M | no | tokens per session |
| sustain | 19 | 17 | yes | active days in the last 30 |

## Achievements

- **two-hands** (level 1 of 3) at 10, earned 2026-09-23
- **whole-task** (level 1 of 3) at 2.5M, earned 2026-09-23

## Milestones

- sessions: 500
- spend: 1.0K
- tokens: 1.00B

## Contributions

- Active days in the last year: 47
- Busiest day: 2026-10-08 at 1.31B tokens

## Models

| Provider | Model | Tokens | Cost |
| --- | --- | --- | --- |
| claude | claude-opus-5-5 | 4.30B | $2165.15 |
| codex | gpt-5.6-sol | 1.89B | $1169.76 |
| codex | gpt-6.1-sol | 1.88B | $443.82 |
| claude | claude-opus-5 | 1.10B | $883.20 |
| codex | gpt-6-astra | 636.7M | $992.89 |
| claude | claude-fable-5-1 | 554.7M | $644.00 |
| claude | claude-sonnet-5 | 381.7M | $109.95 |
| codex | codex-auto-review | 195.2M | $7.69 |

## Token breakdown

- Uncached input: 184.1M
- Cached input: 10.70B
- Cache write 5m: 59.1M
- Cache write 1h: 77.0M
- Output: 43.3M
- Reasoning output: 18.1M

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