---
title: "Karthik Balasubramanian (@mark)"
description: "Rank #1144 of 1858 on the Superset leaderboard, tier 1."
canonical: https://superset.sh/mark
last-updated: 2026-09-26
---

# Karthik Balasubramanian (@mark)

Rank #1144 of 1858 on the Superset leaderboard, tier 1.

URL: https://superset.sh/mark

## Standing

- Rank: #1144 of 1858
- Tier: Button pusher
- Tokens: 4.33B all time
- Cost: $4040.67 API-equivalent
- Sessions: 346
- Tracking: 2026-08-28 to 2026-09-26

## 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 | 15.9M | 10.4M | yes | tokens per session |
| sustain | 28 | 17 | yes | active days in the last 30 |

## Achievements

- **whole-task** (level 2 of 3) at 10.0M, earned 2026-09-26

## Milestones

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

## Contributions

- Active days in the last year: 28
- Busiest day: 2026-09-18 at 608.0M tokens

## Models

| Provider | Model | Tokens | Cost |
| --- | --- | --- | --- |
| claude | claude-opus-5 | 2.31B | $1765.43 |
| claude | claude-fable-5-1 | 1.25B | $1357.97 |
| claude | claude-fable-5 | 319.4M | $572.41 |
| claude | claude-opus-5-5 | 272.5M | $221.47 |
| claude | claude-opus-4-8 | 171.4M | $120.41 |
| claude | claude-sonnet-5 | 7.3M | $2.76 |
| claude | claude-haiku-4-5-20251001 | 799.7K | $0.22 |

## Token breakdown

- Uncached input: 349.4K
- Cached input: 4.20B
- Cache write 5m: 28.9M
- Cache write 1h: 84.6M
- Output: 16.1M
- Reasoning output: 7.5M

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