---
title: "Joshua Richardson (@joshua-richardson)"
description: "Rank #960 of 2498 on the Paradev leaderboard, tier 1."
canonical: https://paradev.com/joshua-richardson
last-updated: 2026-10-26
---

# Joshua Richardson (@joshua-richardson)

Rank #960 of 2498 on the Paradev leaderboard, tier 1.

URL: https://paradev.com/joshua-richardson

## Standing

- Rank: #960 of 2498
- Tier: Button pusher
- Tokens: 15.07B all time
- Cost: $7523.20 API-equivalent
- Sessions: 6539
- Tracking: 2026-07-29 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 | 2.0 | 3.1 | no | agents running at once |
| depth | 7.3M | 10.4M | no | tokens per session |
| sustain | 27 | 17 | yes | active days in the last 30 |
| cost | $171.22 | <= $315.60 | yes | USD per merged PR, lower is better |

## Achievements

- **run-01**, earned 2026-10-12
- **two-hands** (level 1 of 3) at 10, earned 2026-10-12
- **whole-task** (level 2 of 3) at 10.0M, earned 2026-10-12

## Milestones

- sessions: 500
- spend: 1.0K
- tokens: 1.00B

## Contributions

- Active days in the last year: 58
- Busiest day: 2026-10-13 at 1.05B tokens

## Models

| Provider | Model | Tokens | Cost |
| --- | --- | --- | --- |
| claude | claude-opus-5-5 | 8.43B | $3445.04 |
| claude | claude-opus-5 | 4.48B | $3125.52 |
| claude | claude-haiku-4-5-20251001 | 743.7M | $178.86 |
| claude | claude-sonnet-5 | 370.0M | $105.67 |
| codex | gpt-5.6-sol | 287.7M | $156.33 |
| claude | claude-fable-5 | 260.4M | $411.28 |
| muse | muse-spark-1.2 | 167.4M | $27.26 |
| codex | gpt-6-sol | 137.9M | $35.59 |

## Token breakdown

- Uncached input: 19.8M
- Cached input: 14.69B
- Cache write 5m: 90.5M
- Cache write 1h: 229.6M
- Output: 42.7M
- Reasoning output: 14.6M

Published voluntarily by the account holder. Source: https://paradev.com/joshua-richardson
