---
title: "Calvin (@fuzzylogic)"
description: "Rank #278 of 2498 on the Paradev leaderboard, tier 1."
canonical: https://paradev.com/fuzzylogic
last-updated: 2026-10-26
---

# Calvin (@fuzzylogic)

Rank #278 of 2498 on the Paradev leaderboard, tier 1.

URL: https://paradev.com/fuzzylogic

## Standing

- Rank: #278 of 2498
- Tier: Button pusher
- Tokens: 53.00B all time
- Cost: $37370.99 API-equivalent
- Sessions: 3337
- Tracking: 2026-08-06 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 | 3.0 | 3.1 | no | agents running at once |
| depth | 25.7M | 10.4M | yes | tokens per session |
| output | 1.0 | 2.1 | no | agent PRs merged per week |
| sustain | 23 | 17 | yes | active days in the last 30 |
| cost | $2956.37 | <= $315.60 | no | USD per merged PR, lower is better |

## Achievements

- **efficient** (level 1 of 3) at $750, earned 2026-09-08
- **ship-it** (level 1 of 4) at 1, earned 2026-09-08
- **two-hands** (level 1 of 3) at 10, earned 2026-09-08
- **whole-task** (level 1 of 3) at 2.5M, earned 2026-09-08

## Milestones

- sessions: 500
- spend: 1.0K
- tokens: 1.00B

## Contributions

- Active days in the last year: 64
- Busiest day: 2026-10-21 at 6.74B tokens

## Models

| Provider | Model | Tokens | Cost |
| --- | --- | --- | --- |
| claude | claude-opus-5-5 | 39.17B | $26604.29 |
| claude | claude-sonnet-5 | 4.24B | $1832.19 |
| claude | claude-opus-5 | 4.12B | $3260.42 |
| claude | claude-fable-5 | 2.08B | $3489.15 |
| claude | claude-sonnet-5-5 | 1.98B | $559.68 |
| claude | claude-fable-5-1 | 1.33B | $1602.22 |
| claude | claude-haiku-4-5-20251001 | 65.7M | $17.77 |
| claude | claude-haiku-5-5 | 5.0M | $2.35 |

## Token breakdown

- Uncached input: 1.3M
- Cached input: 51.77B
- Cache write 5m: 855.6M
- Cache write 1h: 185.6M
- Output: 180.9M
- Reasoning output: 84.8M

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