---
title: "Chester Mu (@chestermu)"
description: "Rank #2465 of 2499 on the Paradev leaderboard, tier 0."
canonical: https://paradev.com/chestermu
last-updated: 2026-10-26
---

# Chester Mu (@chestermu)

Rank #2465 of 2499 on the Paradev leaderboard, tier 0.

URL: https://paradev.com/chestermu

## Standing

- Rank: #2465 of 2499
- Tier: Unranked
- Tokens: 26.7M all time
- Cost: $24.64 API-equivalent
- Sessions: 7
- Tracking: 2026-09-10 to 2026-09-11

## How this tier was reached

Tier is a weighted score across the axes measured for you, so a strong axis offsets a weak one. Button pusher 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 | 0.0 | 3.1 | no | agents running at once |
| depth | 0 | 10.4M | no | tokens per session |
| sustain | 2 | 17 | no | active days in the last 30 |

## Contributions

- Active days in the last year: 2
- Busiest day: 2026-09-10 at 24.3M tokens

## Models

| Provider | Model | Tokens | Cost |
| --- | --- | --- | --- |
| claude | claude-opus-5 | 25.9M | $21.61 |
| codex | gpt-6-astra | 855.7K | $3.04 |

## Token breakdown

- Uncached input: 228.0K
- Cached input: 25.8M
- Cache write 5m: 0
- Cache write 1h: 532.4K
- Output: 150.2K
- Reasoning output: 69.2K

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