The mysterious stealth reasoning model with 1,048,576 tokens (1M) of context and 131,072 max output tokens dropped anonymously on August 20, 2026.
Designed for sustained, long-horizon software engineering and complex proofs, Ox Alpha executes visible chain-of-thought planning before producing answers, solving complex race conditions and whole-repo refactorings without losing context.
Here is how to configure Ox Alpha in Cursor IDE, Continue.dev, or via Python / Node.js in under 60 seconds with sub-35ms routing.
📊 Key Specifications: Ox Alpha vs Frontier Baselines
| Parameter | Ox Alpha Specification | Standard GPT-4o / Claude 3.5 |
|---|---|---|
| Context Window | 1,048,576 tokens (1M) | 128k – 200k tokens |
| Max Output Generation | 131,072 tokens | 4,096 – 8,192 tokens |
| Reasoning Architecture | Visible Chain-of-Thought (RLVR) | Direct Next-Token / Hidden |
| PixelRouter Latency Overhead | <35ms Edge Proxy | Direct Gateway |
⚡ 60-Second Setup in Cursor IDE
Because PixelRouter (BLUN Engine) provides a 100% OpenAI-compatible drop-in gateway with Server-Sent Events (SSE) streaming, you can plug Ox Alpha directly into Cursor:
- Open Cursor Settings > Models > OpenAI API Key.
- Set Base URL to:
https://api.pixeloffice.eu/v1 - Set API Key to:
px_test_free(or your production key from pixeloffice.eu/dashboard.html). - Under the models list, click + Add Model and enter:
stealth/ox-alpha
🐍 Python OpenAI SDK Integration
from openai import OpenAI
# 100% OpenAI Drop-In Compatibility
client = OpenAI(
base_url="https://api.pixeloffice.eu/v1",
api_key="px_test_free" # Free tier (50 req/day) or Pro key
)
response = client.chat.completions.create(
model="stealth/ox-alpha",
messages=[
{"role": "system", "content": "You are Ox Alpha, an expert systems reasoning engine."},
{"role": "user", "content": "Analyze our entire codebase for concurrency race conditions."}
],
temperature=0.6,
stream=True
)
for chunk in response:
content = chunk.choices[0].delta.content or ""
print(content, end="", flush=True)
🛡️ Built-in EU AI Act Article 50 Compliance
When routing through PixelRouter, all requests automatically receive real-time latency auditing, token optimization, and compliance headers:
X-PixelProof-Compliance: EU-AI-ACT-ART50-VERIFIED-2026
X-Fact-Grounding-Score: 100
X-Audit-Trail: https://pixeloffice.eu/dashboard.html?tab=compliance
🔗 Live Resources & Full Guide
- Interactive Guide & Devlog: https://pixeloffice.eu/blog/how-to-use-ox-alpha-stealth-reasoning-model-cursor-guide-en.html
- Developer Dashboard & API Keys: https://pixeloffice.eu/dashboard.html
-
NPM Package:
npm install @pixeloffice-eu/router
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