---
title: "Tomasz Stachewicz (@tomasz-stachewicz)"
description: "Rank #1917 of 2498 on the Paradev leaderboard, tier 1."
canonical: https://paradev.com/tomasz-stachewicz
last-updated: 2026-10-26
---

# Tomasz Stachewicz (@tomasz-stachewicz)

Rank #1917 of 2498 on the Paradev leaderboard, tier 1.

URL: https://paradev.com/tomasz-stachewicz

## Standing

- Rank: #1917 of 2498
- Tier: Button pusher
- Tokens: 3.06B all time
- Cost: $1293.59 API-equivalent
- Sessions: 432
- Tracking: 2026-07-30 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 5 axes, measured over the trailing 30 days.

| Axis | Current | Needed | Met | Measures |
| --- | --- | --- | --- | --- |
| width | 1.0 | 3.1 | no | agents running at once |
| depth | 8.5M | 10.4M | no | tokens per session |
| output | 4.0 | 2.1 | yes | agent PRs merged per week |
| sustain | 16 | 17 | no | active days in the last 30 |
| cost | $29.16 | <= $315.60 | yes | USD per merged PR, lower is better |

## Achievements

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

## Milestones

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

## Contributions

- Active days in the last year: 49
- Busiest day: 2026-10-20 at 254.0M tokens

## Models

| Provider | Model | Tokens | Cost |
| --- | --- | --- | --- |
| claude | claude-opus-5-5 | 1.29B | $542.07 |
| codex | gpt-5.5 | 872.7M | $194.20 |
| claude | claude-sonnet-5 | 602.6M | $256.85 |
| codex | gpt-5.6-sol | 171.0M | $104.65 |
| codex | gpt-6-astra | 97.6M | $143.62 |
| claude | claude-fable-5 | 15.2M | $38.32 |
| claude | claude-opus-5 | 8.1M | $11.05 |
| claude | claude-haiku-5-5 | 1.8M | $1.06 |

## Token breakdown

- Uncached input: 56.3M
- Cached input: 2.94B
- Cache write 5m: 18.1M
- Cache write 1h: 29.2M
- Output: 10.7M
- Reasoning output: 3.0M

Published voluntarily by the account holder. Source: https://paradev.com/tomasz-stachewicz