---
title: "Mars Qin (@qinhai)"
description: "Rank #516 of 2505 on the Paradev leaderboard, tier 1."
canonical: https://paradev.com/qinhai
last-updated: 2026-10-27
---

# Mars Qin (@qinhai)

Rank #516 of 2505 on the Paradev leaderboard, tier 1.

URL: https://paradev.com/qinhai

## Standing

- Rank: #516 of 2505
- Tier: Button pusher
- Tokens: 31.79B all time
- Cost: $19820.66 API-equivalent
- Sessions: 15971
- Tracking: 2026-08-20 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 3 axes, measured over the trailing 30 days.

| Axis | Current | Needed | Met | Measures |
| --- | --- | --- | --- | --- |
| width | 1.0 | 3.1 | no | agents running at once |
| depth | 1.4M | 10.4M | no | tokens per session |
| sustain | 23 | 17 | yes | active days in the last 30 |

## Achievements

- **thirty** (level 1 of 3) at 30, earned 2026-09-18
- **two-hands** (level 1 of 3) at 10, earned 2026-09-18
- **whole-task** (level 1 of 3) at 2.5M, earned 2026-09-18

## Milestones

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

## Contributions

- Active days in the last year: 61
- Busiest day: 2026-09-21 at 2.52B tokens

## Models

| Provider | Model | Tokens | Cost |
| --- | --- | --- | --- |
| claude | claude-opus-5 | 12.38B | $8787.43 |
| claude | deepseek-flash | 5.04B | $950.46 |
| claude | claude-opus-5-5 | 3.14B | $2294.95 |
| codex | gpt-5.6-sol | 1.81B | $943.75 |
| cursor | default | 1.70B | $1104.71 |
| claude | claude-fable-5 | 1.45B | $2184.91 |
| codex | gpt-5.6-luna | 1.41B | $35.95 |
| claude | claude-sonnet-5 | 976.4M | $506.37 |

## Token breakdown

- Uncached input: 955.8M
- Cached input: 30.27B
- Cache write 5m: 124.0M
- Cache write 1h: 330.3M
- Output: 116.9M
- Reasoning output: 23.0M

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