---
title: "Daren Chao (@daren-chao)"
description: "Rank #245 of 2501 on the Paradev leaderboard, tier 2."
canonical: https://paradev.com/daren-chao
last-updated: 2026-10-26
---

# Daren Chao (@daren-chao)

Rank #245 of 2501 on the Paradev leaderboard, tier 2.

URL: https://paradev.com/daren-chao

## Standing

- Rank: #245 of 2501
- Tier: Operator
- Tokens: 57.85B all time
- Cost: $26103.35 API-equivalent
- Sessions: 2082
- Tracking: 2026-09-22 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. Plant Manager 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 | 3.0 | 5.5 | no | agents running at once |
| depth | 30.9M | 23.3M | yes | tokens per session |
| sustain | 30 | 24 | yes | active days in the last 30 |

## Achievements

- **whole-task** (level 2 of 3) at 10.0M, earned 2026-10-15

## Milestones

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

## Contributions

- Active days in the last year: 35
- Busiest day: 2026-09-28 at 6.80B tokens

## Models

| Provider | Model | Tokens | Cost |
| --- | --- | --- | --- |
| claude | claude-opus-5-5 | 42.79B | $15189.49 |
| codex | gpt-6-astra | 5.67B | $7479.00 |
| claude | claude-sonnet-5-5 | 4.80B | $1498.17 |
| codex | gpt-6.1-sol | 4.00B | $1168.54 |
| claude | claude-fable-5-1 | 393.4M | $634.50 |
| grok | grok-4.7 | 168.2M | $123.14 |
| codex | gpt-6-sol | 13.7M | $5.67 |
| codex | doubao-seed-2.1-pro | 3.5M | $0.11 |

## Token breakdown

- Uncached input: 222.0M
- Cached input: 56.59B
- Cache write 5m: 570.7M
- Cache write 1h: 284.7M
- Output: 186.5M
- Reasoning output: 80.1M

Published voluntarily by the account holder. Source: https://paradev.com/daren-chao