---
title: "Yunyi Cheng (@unknownunicorn)"
description: "Rank #558 of 1119 on the Superset leaderboard, tier 1."
canonical: https://superset.sh/unknownunicorn
last-updated: 2026-09-07
---

# Yunyi Cheng (@unknownunicorn)

Rank #558 of 1119 on the Superset leaderboard, tier 1.

URL: https://superset.sh/unknownunicorn

## Standing

- Rank: #558 of 1119
- Tier: Button pusher
- Tokens: 5.05B all time
- Cost: $3654.65 API-equivalent
- Sessions: 454
- Tracking: 2026-08-20 to 2026-09-07

## 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 | 2.0 | 3.1 | no | agents running at once |
| depth | 14.8M | 10.4M | yes | tokens per session |
| output | 2.0 | 2.1 | no | agent PRs merged per week |
| sustain | 19 | 17 | yes | active days in the last 30 |
| cost | $730.93 | <= $315.60 | no | USD per merged PR, lower is better |

## Achievements

- **efficient** (level 1 of 3) at $750, 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: 100
- spend: 1.0K
- tokens: 1.00B

## Contributions

- Active days in the last year: 19
- Busiest day: 2026-08-25 at 686.3M tokens

## Models

| Provider | Model | Tokens | Cost |
| --- | --- | --- | --- |
| codex | gpt-5.6-sol | 4.88B | $3420.66 |
| codex | gpt-6-astra | 151.1M | $228.20 |
| codex | gpt-5.4 | 15.9M | $5.35 |
| codex | gpt-5.6-luna | 8.6M | $0.43 |
| codex | codex-auto-review | 49.5K | $0.01 |

## Token breakdown

- Uncached input: 132.0M
- Cached input: 4.90B
- Cache write 5m: 0
- Cache write 1h: 0
- Output: 18.6M
- Reasoning output: 6.5M

Published voluntarily by the account holder. Source: https://superset.sh/unknownunicorn