---
title: "Robin Mattis (@robin-mattis)"
description: "Rank #368 of 2501 on the Paradev leaderboard, tier 1."
canonical: https://paradev.com/robin-mattis
last-updated: 2026-10-26
---

# Robin Mattis (@robin-mattis)

Rank #368 of 2501 on the Paradev leaderboard, tier 1.

URL: https://paradev.com/robin-mattis

## Standing

- Rank: #368 of 2501
- Tier: Button pusher
- Tokens: 44.08B all time
- Cost: $23250.48 API-equivalent
- Sessions: 4371
- Tracking: 2026-08-06 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 4 axes, measured over the trailing 30 days.

| Axis | Current | Needed | Met | Measures |
| --- | --- | --- | --- | --- |
| width | 4.0 | 3.1 | yes | agents running at once |
| depth | 7.4M | 10.4M | no | tokens per session |
| sustain | 24 | 17 | yes | active days in the last 30 |
| cost | $691.30 | <= $315.60 | no | USD per merged PR, lower is better |

## Achievements

- **two-hands** (level 1 of 3) at 10, earned 2026-09-12
- **whole-task** (level 2 of 3) at 10.0M, earned 2026-09-12

## Milestones

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

## Contributions

- Active days in the last year: 71
- Busiest day: 2026-10-24 at 3.88B tokens

## Models

| Provider | Model | Tokens | Cost |
| --- | --- | --- | --- |
| claude | claude-opus-5-5 | 20.70B | $8152.82 |
| claude | claude-opus-5 | 10.76B | $7296.00 |
| codex | gpt-5.6-sol | 5.68B | $3106.81 |
| codex | gpt-6-astra | 2.19B | $3012.96 |
| codex | gpt-6-luna | 1.87B | $24.91 |
| claude | claude-sonnet-5-5 | 1.05B | $370.68 |
| claude | claude-fable-5-1 | 799.5M | $613.05 |
| claude | claude-sonnet-4-5-20250929 | 441.7M | $542.84 |

## Token breakdown

- Uncached input: 233.0M
- Cached input: 43.11B
- Cache write 5m: 276.7M
- Cache write 1h: 324.3M
- Output: 139.3M
- Reasoning output: 41.2M

Published voluntarily by the account holder. Source: https://paradev.com/robin-mattis