---
title: "Roman Liukevich (@calmdays)"
description: "Rank #426 of 2498 on the Paradev leaderboard, tier 2."
canonical: https://paradev.com/calmdays
last-updated: 2026-10-26
---

# Roman Liukevich (@calmdays)

Rank #426 of 2498 on the Paradev leaderboard, tier 2.

URL: https://paradev.com/calmdays

## Standing

- Rank: #426 of 2498
- Tier: Operator
- Tokens: 38.02B all time
- Cost: $24294.80 API-equivalent
- Sessions: 2565
- Tracking: 2026-08-01 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 | 3.0 | 5.5 | no | agents running at once |
| depth | 15.6M | 23.3M | no | tokens per session |
| output | 2.0 | 6.0 | no | agent PRs merged per week |
| sustain | 27 | 24 | yes | active days in the last 30 |
| cost | $714.91 | <= $104.48 | no | USD per merged PR, lower is better |

## Achievements

- **plant-floor** (level 1 of 3) at 10, earned 2026-09-07
- **ship-it** (level 1 of 4) at 1, earned 2026-09-07
- **two-hands** (level 1 of 3) at 10, earned 2026-09-07
- **whole-task** (level 2 of 3) at 10.0M, earned 2026-09-07

## Milestones

- sessions: 500
- spend: 1.0K
- tokens: 10.00B

## Contributions

- Active days in the last year: 80
- Busiest day: 2026-09-30 at 2.11B tokens

## Models

| Provider | Model | Tokens | Cost |
| --- | --- | --- | --- |
| claude | claude-opus-5 | 14.03B | $10565.74 |
| claude | claude-opus-5-5 | 12.25B | $6018.59 |
| claude | claude-sonnet-5-5 | 4.31B | $1163.40 |
| codex | gpt-6-astra | 2.37B | $3453.34 |
| claude | claude-sonnet-5 | 1.68B | $679.78 |
| codex | gpt-6-sol | 1.31B | $305.28 |
| claude | claude-fable-5-1 | 674.5M | $923.49 |
| claude | claude-fable-5 | 456.6M | $889.93 |

## Token breakdown

- Uncached input: 155.4M
- Cached input: 37.04B
- Cache write 5m: 395.7M
- Cache write 1h: 266.9M
- Output: 156.8M
- Reasoning output: 72.5M

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