---
title: "Sergiusz Kierat (@sergiusz-kierat)"
description: "Rank #726 of 1114 on the Superset leaderboard, tier 1."
canonical: https://superset.sh/sergiusz-kierat
last-updated: 2026-09-07
---

# Sergiusz Kierat (@sergiusz-kierat)

Rank #726 of 1114 on the Superset leaderboard, tier 1.

URL: https://superset.sh/sergiusz-kierat

## Standing

- Rank: #726 of 1114
- Tier: Button pusher
- Tokens: 2.66B all time
- Cost: $1975.90 API-equivalent
- Sessions: 251
- Tracking: 2026-07-29 to 2026-09-04

## 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 | 6.9M | 10.4M | no | tokens per session |
| output | 1.0 | 2.1 | no | agent PRs merged per week |
| sustain | 16 | 17 | no | active days in the last 30 |
| cost | $269.73 | <= $315.60 | yes | USD per merged PR, lower is better |

## Contributions

- Active days in the last year: 23
- Busiest day: 2026-08-04 at 359.1M tokens

## Models

| Provider | Model | Tokens | Cost |
| --- | --- | --- | --- |
| claude | claude-opus-5 | 2.54B | $1888.90 |
| claude | claude-sonnet-5 | 68.0M | $43.16 |
| cursor | cursor-grok-4.6-high-fast | 33.9M | $40.53 |
| claude | claude-haiku-4-5-20251001 | 11.4M | $2.45 |
| cursor | claude-4.6-sonnet-medium-thinking | 266.5K | $0.37 |
| cursor | claude-opus-5-thinking-high | 119.5K | $0.44 |
| cursor | default | 27.9K | $0.05 |

## Token breakdown

- Uncached input: 2.1M
- Cached input: 2.60B
- Cache write 5m: 9.5M
- Cache write 1h: 40.4M
- Output: 9.4M
- Reasoning output: 1.8M

Published voluntarily by the account holder. Source: https://superset.sh/sergiusz-kierat