---
title: "I-Chiao Hsu (@i-chiao-hsu)"
description: "Rank #2061 of 2498 on the Paradev leaderboard, tier 1."
canonical: https://paradev.com/i-chiao-hsu
last-updated: 2026-10-26
---

# I-Chiao Hsu (@i-chiao-hsu)

Rank #2061 of 2498 on the Paradev leaderboard, tier 1.

URL: https://paradev.com/i-chiao-hsu

## Standing

- Rank: #2061 of 2498
- Tier: Button pusher
- Tokens: 1.97B all time
- Cost: $1763.30 API-equivalent
- Sessions: 211
- Tracking: 2026-08-05 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 5 axes, measured over the trailing 30 days.

| Axis | Current | Needed | Met | Measures |
| --- | --- | --- | --- | --- |
| width | 1.0 | 3.1 | no | agents running at once |
| depth | 5.7M | 10.4M | no | tokens per session |
| output | 3.5 | 2.1 | yes | agent PRs merged per week |
| sustain | 18 | 17 | yes | active days in the last 30 |
| cost | $34.69 | <= $315.60 | yes | USD per merged PR, lower is better |

## Achievements

- **whole-task** (level 2 of 3) at 10.0M, earned 2026-09-22

## Milestones

- spend: 100
- tokens: 100.0M

## Contributions

- Active days in the last year: 46
- Busiest day: 2026-08-21 at 128.2M tokens

## Models

| Provider | Model | Tokens | Cost |
| --- | --- | --- | --- |
| claude | claude-opus-5 | 833.4M | $781.12 |
| claude | claude-opus-4-8 | 396.3M | $398.89 |
| claude | claude-opus-4-6 | 337.8M | $271.50 |
| claude | claude-opus-4-7 | 206.2M | $208.22 |
| claude | claude-sonnet-5 | 160.3M | $82.75 |
| claude | claude-opus-5-5 | 33.6M | $18.99 |
| claude | claude-haiku-4-5-20251001 | 982.1K | $1.83 |

## Token breakdown

- Uncached input: 14.1K
- Cached input: 1.86B
- Cache write 5m: 54.2M
- Cache write 1h: 50.4M
- Output: 3.5M
- Reasoning output: 1.1M

Published voluntarily by the account holder. Source: https://paradev.com/i-chiao-hsu