---
title: "Cyril Chalyi (@cyril)"
description: "Rank #2212 of 2498 on the Paradev leaderboard, tier 1."
canonical: https://paradev.com/cyril
last-updated: 2026-10-26
---

# Cyril Chalyi (@cyril)

Rank #2212 of 2498 on the Paradev leaderboard, tier 1.

URL: https://paradev.com/cyril

## Standing

- Rank: #2212 of 2498
- Tier: Button pusher
- Tokens: 1.10B all time
- Cost: $857.68 API-equivalent
- Sessions: 278
- Tracking: 2026-08-31 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 4 axes, measured over the trailing 30 days.

| Axis | Current | Needed | Met | Measures |
| --- | --- | --- | --- | --- |
| width | 2.0 | 3.1 | no | agents running at once |
| depth | 3.2M | 10.4M | no | tokens per session |
| sustain | 10 | 17 | no | active days in the last 30 |
| cost | $116.67 | <= $315.60 | yes | USD per merged PR, lower is better |

## Achievements

- **efficient** (level 1 of 3) at $750, earned 2026-10-22
- **ship-it** (level 1 of 4) at 1, earned 2026-10-22
- **whole-task** (level 1 of 3) at 2.5M, earned 2026-10-22

## Milestones

- sessions: 100
- spend: 100
- tokens: 100.0M

## Contributions

- Active days in the last year: 28
- Busiest day: 2026-10-20 at 113.1M tokens

## Models

| Provider | Model | Tokens | Cost |
| --- | --- | --- | --- |
| claude | claude-opus-5-5 | 767.6M | $346.70 |
| claude | claude-fable-5-1 | 160.0M | $332.94 |
| claude | claude-opus-5 | 111.0M | $104.62 |
| claude | claude-sonnet-5 | 26.4M | $7.06 |
| claude | claude-opus-4-8 | 13.1M | $25.56 |
| claude | claude-fable-5 | 11.8M | $35.80 |
| claude | claude-sonnet-5-5 | 10.7M | $4.59 |
| claude | claude-haiku-4-5-20251001 | 615.7K | $0.20 |

## Token breakdown

- Uncached input: 60.1K
- Cached input: 1.05B
- Cache write 5m: 28.9M
- Cache write 1h: 21.3M
- Output: 4.1M
- Reasoning output: 1.5M

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