---
title: "Samuel-James Zafiriou (@samueljz94)"
description: "Rank #1887 of 2498 on the Paradev leaderboard, tier 1."
canonical: https://paradev.com/samueljz94
last-updated: 2026-10-26
---

# Samuel-James Zafiriou (@samueljz94)

Rank #1887 of 2498 on the Paradev leaderboard, tier 1.

URL: https://paradev.com/samueljz94

## Standing

- Rank: #1887 of 2498
- Tier: Button pusher
- Tokens: 3.25B all time
- Cost: $1718.02 API-equivalent
- Sessions: 158
- Tracking: 2026-08-08 to 2026-10-25

## 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 3 axes, measured over the trailing 30 days.

| Axis | Current | Needed | Met | Measures |
| --- | --- | --- | --- | --- |
| width | 1.0 | 3.1 | no | agents running at once |
| depth | 46.4M | 10.4M | yes | tokens per session |
| sustain | 10 | 17 | no | active days in the last 30 |

## Achievements

- **whole-task** (level 2 of 3) at 10.0M, earned 2026-09-09

## Milestones

- sessions: 100
- spend: 1.0K
- tokens: 1.00B

## Contributions

- Active days in the last year: 33
- Busiest day: 2026-08-08 at 311.0M tokens

## Models

| Provider | Model | Tokens | Cost |
| --- | --- | --- | --- |
| codex | gpt-5.6-sol | 1.01B | $558.15 |
| claude | claude-opus-5-5 | 586.3M | $194.28 |
| claude | claude-sonnet-5 | 582.1M | $209.17 |
| claude | claude-opus-5 | 572.5M | $606.87 |
| codex | gpt-6.1-sol | 300.6M | $44.76 |
| codex | gpt-reserve | 81.5M | $2.09 |
| codex | gpt-6-astra | 69.9M | $98.39 |
| codex | gpt-6-sol | 49.9M | $4.28 |

## Token breakdown

- Uncached input: 39.5M
- Cached input: 3.14B
- Cache write 5m: 10.2M
- Cache write 1h: 53.5M
- Output: 7.6M
- Reasoning output: 2.6M

Published voluntarily by the account holder. Source: https://paradev.com/samueljz94