---
title: "Eduardo Álvarez (@z3r0-m3xa)"
description: "Rank #1537 of 2498 on the Paradev leaderboard, tier 1."
canonical: https://paradev.com/z3r0-m3xa
last-updated: 2026-10-26
---

# Eduardo Álvarez (@z3r0-m3xa)

Rank #1537 of 2498 on the Paradev leaderboard, tier 1.

URL: https://paradev.com/z3r0-m3xa

## Standing

- Rank: #1537 of 2498
- Tier: Button pusher
- Tokens: 6.22B all time
- Cost: $1696.34 API-equivalent
- Sessions: 260
- Tracking: 2026-08-26 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 | 12.9M | 10.4M | yes | tokens per session |
| sustain | 23 | 17 | yes | active days in the last 30 |

## Achievements

- **whole-task** (level 2 of 3) at 10.0M, earned 2026-09-30

## Milestones

- sessions: 100
- spend: 1.0K
- tokens: 1.00B

## Contributions

- Active days in the last year: 51
- Busiest day: 2026-08-31 at 737.7M tokens

## Models

| Provider | Model | Tokens | Cost |
| --- | --- | --- | --- |
| claude | claude-sonnet-5 | 4.61B | $1171.41 |
| claude | claude-sonnet-5-5 | 1.58B | $504.47 |
| claude | claude-opus-5-5 | 23.8M | $10.44 |
| claude | claude-opus-5 | 4.9M | $9.30 |
| claude | claude-haiku-5-5 | 610.6K | $0.64 |
| claude | claude-haiku-4-5-20251001 | 92.5K | $0.09 |

## Token breakdown

- Uncached input: 39.5K
- Cached input: 6.12B
- Cache write 5m: 2.0M
- Cache write 1h: 80.4M
- Output: 13.8M
- Reasoning output: 4.4M

Published voluntarily by the account holder. Source: https://paradev.com/z3r0-m3xa