---
title: "zr0day (@zr0day)"
description: "Rank #2477 of 2502 on the Paradev leaderboard, tier 0."
canonical: https://paradev.com/zr0day
last-updated: 2026-10-26
---

# zr0day (@zr0day)

Rank #2477 of 2502 on the Paradev leaderboard, tier 0.

URL: https://paradev.com/zr0day

## Standing

- Rank: #2477 of 2502
- Tier: Unranked
- Tokens: 14.0M all time
- Cost: $12.89 API-equivalent
- Sessions: 13
- Tracking: 2026-09-01 to 2026-09-08

## 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 | 5 | 17 | no | active days in the last 30 |

## Milestones

- tokens: 10.0M

## Contributions

- Active days in the last year: 5
- Busiest day: 2026-09-05 at 12.3M tokens

## Models

| Provider | Model | Tokens | Cost |
| --- | --- | --- | --- |
| claude | claude-opus-5 | 11.5M | $10.08 |
| codex | gpt-5.6-terra | 1.7M | $0.96 |
| claude | claude-opus-4-7 | 754.1K | $1.85 |

## Token breakdown

- Uncached input: 262.5K
- Cached input: 13.2M
- Cache write 5m: 147.0K
- Cache write 1h: 279.8K
- Output: 105.8K
- Reasoning output: 54.1K

Published voluntarily by the account holder. Source: https://paradev.com/zr0day