---
title: "Mark-Lch22 (@mark-lch22)"
description: "Rank #2099 of 2505 on the Paradev leaderboard, tier 1."
canonical: https://paradev.com/mark-lch22
last-updated: 2026-10-26
---

# Mark-Lch22 (@mark-lch22)

Rank #2099 of 2505 on the Paradev leaderboard, tier 1.

URL: https://paradev.com/mark-lch22

## Standing

- Rank: #2099 of 2505
- Tier: Button pusher
- Tokens: 1.74B all time
- Cost: $919.83 API-equivalent
- Sessions: 157
- Tracking: 2026-08-31 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 | 3.3M | 10.4M | no | tokens per session |
| output | 1.0 | 2.1 | no | agent PRs merged per week |
| sustain | 21 | 17 | yes | active days in the last 30 |
| cost | $51.75 | <= $315.60 | yes | USD per merged PR, lower is better |

## Achievements

- **whole-task** (level 1 of 3) at 2.5M, earned 2026-09-25

## Milestones

- spend: 100
- tokens: 100.0M

## Contributions

- Active days in the last year: 40
- Busiest day: 2026-10-03 at 296.1M tokens

## Models

| Provider | Model | Tokens | Cost |
| --- | --- | --- | --- |
| claude | claude-opus-5-5 | 766.5M | $325.10 |
| claude | claude-opus-4-8 | 434.3M | $389.95 |
| claude | claude-sonnet-5 | 427.7M | $112.39 |
| claude | claude-opus-5 | 114.7M | $91.96 |
| claude | claude-haiku-5-5 | 338.7K | $0.31 |
| claude | claude-haiku-4-5-20251001 | 102.9K | $0.11 |

## Token breakdown

- Uncached input: 12.6K
- Cached input: 1.70B
- Cache write 5m: 1.9M
- Cache write 1h: 34.5M
- Output: 4.9M
- Reasoning output: 1.4M

Published voluntarily by the account holder. Source: https://paradev.com/mark-lch22