---
title: "JK (@jk)"
description: "Rank #2111 of 2498 on the Paradev leaderboard, tier 1."
canonical: https://paradev.com/jk
last-updated: 2026-10-26
---

# JK (@jk)

Rank #2111 of 2498 on the Paradev leaderboard, tier 1.

URL: https://paradev.com/jk

## Standing

- Rank: #2111 of 2498
- Tier: Button pusher
- Tokens: 1.65B all time
- Cost: $840.86 API-equivalent
- Sessions: 221
- Tracking: 2026-08-03 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 | 1.0 | 3.1 | no | agents running at once |
| depth | 6.1M | 10.4M | no | tokens per session |
| sustain | 24 | 17 | yes | active days in the last 30 |

## Achievements

- **whole-task** (level 1 of 3) at 2.5M, earned 2026-09-07

## Milestones

- spend: 100
- tokens: 100.0M

## Contributions

- Active days in the last year: 52
- Busiest day: 2026-08-12 at 168.9M tokens

## Models

| Provider | Model | Tokens | Cost |
| --- | --- | --- | --- |
| claude | claude-sonnet-5 | 771.4M | $308.62 |
| claude | claude-opus-5-5 | 588.2M | $309.46 |
| claude | claude-opus-5 | 254.0M | $219.15 |
| codex | gpt-5.6-luna | 34.4M | $1.03 |
| codex | gpt-5.6-terra | 5.4M | $2.03 |
| codex | gpt-6-luna | 397.3K | $0.02 |
| claude | claude-haiku-5-5 | 379.0K | $0.38 |
| claude | claude-haiku-4-5-20251001 | 263.0K | $0.17 |

## Token breakdown

- Uncached input: 1.6M
- Cached input: 1.61B
- Cache write 5m: 2.1M
- Cache write 1h: 37.5M
- Output: 5.6M
- Reasoning output: 832.3K

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