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Ox Alpha

Ox Alpha joins the catalog free — a stealth reasoning model for coding, agentic work, and long-horizon engineering.

Free stealth preview for coding and agent loops: 1M context, tools, vision, mandatory reasoning (reasoning_effort low|high|max). Catalog id stealth/ox-alpha. Routed via OpenCode Zen, Nhatrang, Hue, and Hermes Agent.

SDK or curl — same catalog id.
import { createAnyRouter } from "@anyr/ai-sdk-provider"
import { generateText } from "ai"

const anyrouter = createAnyRouter()

const { text } = await generateText({
  model: anyrouter("stealth/ox-alpha"),
  prompt: "Summarize this diff in three bullets.",
})
console.log(text)
import OpenAI from "openai"

const client = new OpenAI({
  baseURL: "https://anyrouter.dev/api/v1",
  apiKey: process.env.ANYROUTER_API_KEY,
})

const res = await client.chat.completions.create({
  model: "stealth/ox-alpha",
  messages: [{ role: "user", content: "Summarize this diff in three bullets." }],
})
console.log(res.choices[0]?.message.content)
curl https://anyrouter.dev/api/v1/chat/completions \
  -H "Authorization: Bearer $ANYROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "stealth/ox-alpha",
    "messages": [{"role": "user", "content": "Summarize this diff in three bullets."}]
  }'

Or pin it on a coding agent — install the CLI if you need help:

Install once, then launch with Ox Alpha pinned.
curl -fsSL https://anyrouter.dev/setup.sh | bash
ar auth login
ar claude --model stealth/ox-alpha
curl -fsSL https://anyrouter.dev/setup.sh | bash
ar auth login
ar opencode --model stealth/ox-alpha
curl -fsSL https://anyrouter.dev/setup.sh | bash
ar auth login
ar codex --model stealth/ox-alpha

More: model page · CLI · coding agents · playground.

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