---
title: "Benjamin Omar Santibañez Antileo (@haliax)"
description: "Rank #1271 of 2505 on the Paradev leaderboard, tier 2."
canonical: https://paradev.com/haliax
last-updated: 2026-10-26
---

# Benjamin Omar Santibañez Antileo (@haliax)

Rank #1271 of 2505 on the Paradev leaderboard, tier 2.

URL: https://paradev.com/haliax

## Standing

- Rank: #1271 of 2505
- Tier: Operator
- Tokens: 9.50B all time
- Cost: $4465.51 API-equivalent
- Sessions: 463
- Tracking: 2026-08-18 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 5 axes, measured over the trailing 30 days.

| Axis | Current | Needed | Met | Measures |
| --- | --- | --- | --- | --- |
| width | 1.5 | 5.5 | no | agents running at once |
| depth | 21.5M | 23.3M | no | tokens per session |
| output | 2.0 | 6.0 | no | agent PRs merged per week |
| sustain | 24 | 24 | yes | active days in the last 30 |
| cost | $129.54 | <= $104.48 | no | USD per merged PR, lower is better |

## Achievements

- **whole-task** (level 2 of 3) at 10.0M, earned 2026-09-14

## Milestones

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

## Contributions

- Active days in the last year: 58
- Busiest day: 2026-08-20 at 692.7M tokens

## Models

| Provider | Model | Tokens | Cost |
| --- | --- | --- | --- |
| codex | gpt-5.6-sol | 3.16B | $1733.08 |
| claude | claude-opus-5-5 | 2.51B | $926.87 |
| codex | gpt-6.1-sol | 1.74B | $320.58 |
| claude | claude-opus-5 | 742.9M | $439.03 |
| codex | gpt-6-astra | 653.2M | $856.26 |
| claude | claude-sonnet-5 | 428.7M | $109.68 |
| claude | claude-sonnet-5-5 | 238.3M | $74.61 |
| codex | gpt-5.3-codex-spark | 12.9M | $4.43 |

## Token breakdown

- Uncached input: 136.8M
- Cached input: 9.30B
- Cache write 5m: 2.7M
- Cache write 1h: 40.2M
- Output: 25.8M
- Reasoning output: 8.5M

Published voluntarily by the account holder. Source: https://paradev.com/haliax