---
title: "Fabio Stefana (@fabio-stefana)"
description: "Rank #2247 of 2499 on the Paradev leaderboard, tier 1."
canonical: https://paradev.com/fabio-stefana
last-updated: 2026-10-26
---

# Fabio Stefana (@fabio-stefana)

Rank #2247 of 2499 on the Paradev leaderboard, tier 1.

URL: https://paradev.com/fabio-stefana

## Standing

- Rank: #2247 of 2499
- Tier: Button pusher
- Tokens: 885.4M all time
- Cost: $405.27 API-equivalent
- Sessions: 168
- Tracking: 2026-09-26 to 2026-10-25

## 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 | 4.5M | 10.4M | no | tokens per session |
| output | 7.0 | 2.1 | yes | agent PRs merged per week |
| sustain | 21 | 17 | yes | active days in the last 30 |
| cost | $11.31 | <= $315.60 | yes | USD per merged PR, lower is better |

## Achievements

- **efficient** (level 3 of 3) at $100, earned 2026-10-06
- **ship-it** (level 2 of 4) at 10, earned 2026-10-06
- **whole-task** (level 1 of 3) at 2.5M, earned 2026-10-06

## Milestones

- spend: 100
- tokens: 100.0M

## Contributions

- Active days in the last year: 22
- Busiest day: 2026-10-17 at 140.3M tokens

## Models

| Provider | Model | Tokens | Cost |
| --- | --- | --- | --- |
| claude | claude-opus-5-5 | 834.9M | $386.61 |
| claude | claude-sonnet-5-5 | 49.3M | $17.33 |
| claude | claude-haiku-5-5 | 532.8K | $0.53 |
| claude | claude-haiku-4-5-20251001 | 517.5K | $0.44 |
| claude | claude-opus-4-8 | 127.3K | $0.35 |

## Token breakdown

- Uncached input: 10.0K
- Cached input: 861.0M
- Cache write 5m: 901.0K
- Cache write 1h: 19.2M
- Output: 4.3M
- Reasoning output: 1.3M

Published voluntarily by the account holder. Source: https://paradev.com/fabio-stefana