---
title: "Yuto Sakai - Liba (@yuuto-sakai)"
description: "Rank #640 of 2498 on the Paradev leaderboard, tier 1."
canonical: https://paradev.com/yuuto-sakai
last-updated: 2026-10-26
---

# Yuto Sakai - Liba (@yuuto-sakai)

Rank #640 of 2498 on the Paradev leaderboard, tier 1.

URL: https://paradev.com/yuuto-sakai

## Standing

- Rank: #640 of 2498
- Tier: Button pusher
- Tokens: 24.64B all time
- Cost: $19780.42 API-equivalent
- Sessions: 2145
- Tracking: 2026-08-02 to 2026-10-19

## 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 | 17.1M | 10.4M | yes | tokens per session |
| sustain | 13 | 17 | no | active days in the last 30 |

## Achievements

- **plant-floor** (level 1 of 3) at 10, earned 2026-09-07
- **two-hands** (level 1 of 3) at 10, earned 2026-09-07
- **whole-task** (level 1 of 3) at 2.5M, earned 2026-09-07

## Milestones

- sessions: 1.0K
- spend: 10.0K
- tokens: 10.00B

## Contributions

- Active days in the last year: 45
- Busiest day: 2026-09-01 at 2.02B tokens

## Models

| Provider | Model | Tokens | Cost |
| --- | --- | --- | --- |
| claude | claude-opus-5 | 12.17B | $10055.82 |
| claude | claude-sonnet-5 | 5.80B | $1619.07 |
| claude | claude-fable-5 | 3.28B | $5587.90 |
| claude | claude-fable-5-1 | 2.44B | $1969.84 |
| claude | claude-opus-5-5 | 901.5M | $519.57 |
| claude | claude-sonnet-5-5 | 36.6M | $10.51 |
| claude | claude-haiku-4-5-20251001 | 9.1M | $3.09 |
| claude | claude-opus-4-8 | 5.7M | $14.40 |

## Token breakdown

- Uncached input: 1.9M
- Cached input: 23.88B
- Cache write 5m: 438.2M
- Cache write 1h: 216.2M
- Output: 99.3M
- Reasoning output: 32.8M

Published voluntarily by the account holder. Source: https://paradev.com/yuuto-sakai