---
title: "Luca Mattiazzi (@grokked)"
description: "Rank #1196 of 2501 on the Paradev leaderboard, tier 2."
canonical: https://paradev.com/grokked
last-updated: 2026-10-26
---

# Luca Mattiazzi (@grokked)

Rank #1196 of 2501 on the Paradev leaderboard, tier 2.

URL: https://paradev.com/grokked

## Standing

- Rank: #1196 of 2501
- Tier: Operator
- Tokens: 10.59B all time
- Cost: $7034.87 API-equivalent
- Sessions: 931
- 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. Plant Manager 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 | 2.0 | 5.5 | no | agents running at once |
| depth | 17.5M | 23.3M | no | tokens per session |
| output | 6.0 | 6.0 | yes | agent PRs merged per week |
| sustain | 23 | 24 | no | active days in the last 30 |
| cost | $112.19 | <= $104.48 | no | USD per merged PR, lower is better |

## Achievements

- **efficient** (level 2 of 3) at $300, earned 2026-09-24
- **run-01**, earned 2026-09-24
- **ship-it** (level 2 of 4) at 10, earned 2026-09-24
- **two-hands** (level 1 of 3) at 10, earned 2026-09-24
- **whole-task** (level 1 of 3) at 2.5M, earned 2026-09-24

## Milestones

- sessions: 500
- spend: 1.0K
- tokens: 1.00B

## Contributions

- Active days in the last year: 48
- Busiest day: 2026-09-29 at 670.7M tokens

## Models

| Provider | Model | Tokens | Cost |
| --- | --- | --- | --- |
| claude | claude-opus-5-5 | 3.27B | $1566.50 |
| claude | claude-opus-5 | 2.12B | $1984.07 |
| codex | gpt-6.1-sol | 1.37B | $35.35 |
| codex | gpt-6-astra | 1.07B | $1919.10 |
| claude | claude-fable-5-1 | 1.04B | $891.98 |
| codex | gpt-6-sol | 841.1M | $45.78 |
| codex | gpt-5.6-sol | 531.7M | $406.39 |
| claude | claude-fable-5 | 89.9M | $113.84 |

## Token breakdown

- Uncached input: 116.8M
- Cached input: 10.10B
- Cache write 5m: 218.8M
- Cache write 1h: 124.3M
- Output: 31.8M
- Reasoning output: 7.9M

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