---
title: "Harry Zhang (@haire)"
description: "Rank #22 of 2501 on the Paradev leaderboard, tier 2."
canonical: https://paradev.com/haire
last-updated: 2026-10-26
---

# Harry Zhang (@haire)

Rank #22 of 2501 on the Paradev leaderboard, tier 2.

URL: https://paradev.com/haire

## Standing

- Rank: #22 of 2501
- Tier: Operator
- Tokens: 195.46B all time
- Cost: $109769.46 API-equivalent
- Sessions: 37280
- Tracking: 2026-07-29 to 2026-10-26

## Bio

> Infinitely Ascending

## Links

- Site: https://www.linkedin.com/in/harryz04/

## How this tier was reached

Tier is a weighted score across the axes measured for you, so a strong axis offsets a weak one. Plant Manager 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 | 8.8 | 5.5 | yes | agents running at once |
| depth | 5.7M | 23.3M | no | tokens per session |
| output | 87.5 | 6.0 | yes | agent PRs merged per week |
| sustain | 30 | 24 | yes | active days in the last 30 |
| cost | $84.64 | <= $104.48 | yes | USD per merged PR, lower is better |

## Achievements

- **efficient** (level 3 of 3) at $100, earned 2026-09-07
- **plant-floor** (level 1 of 3) at 10, earned 2026-09-07
- **ship-it** (level 4 of 4) at 1.0K, earned 2026-09-07
- **two-hands** (level 1 of 3) at 10, earned 2026-09-07
- **whole-task** (level 1 of 3) at 2.5M, earned 2026-09-07

## Milestones

- sessions: 5.0K
- spend: 10.0K
- tokens: 10.00B

## Contributions

- Active days in the last year: 87
- Busiest day: 2026-10-06 at 9.39B tokens

## Models

| Provider | Model | Tokens | Cost |
| --- | --- | --- | --- |
| claude | claude-opus-5-5 | 102.02B | $50401.16 |
| claude | claude-opus-5 | 51.20B | $40918.85 |
| codex | gpt-6.1-sol | 19.77B | $4169.45 |
| codex | gpt-5.6-sol | 17.83B | $11493.52 |
| codex | gpt-6-astra | 1.66B | $43.07 |
| claude | claude-sonnet-5-5 | 706.8M | $334.21 |
| claude | claude-opus-4-7 | 476.3M | $636.41 |
| claude | claude-sonnet-5 | 457.2M | $309.87 |

## Token breakdown

- Uncached input: 1.12B
- Cached input: 188.89B
- Cache write 5m: 2.87B
- Cache write 1h: 1.76B
- Output: 820.6M
- Reasoning output: 360.8M

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