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Hy4 Preview on AIHubMix BYOK

Tencent Hunyuan Hy4 Preview joins the catalog as tencent/hy4-preview, routed through AIHubMix BYOK at the aggregator's published list rates.

Hy4 Preview is Tencent Hunyuan's 770B/49B-active MoE for agents, coding, office automation, and long-horizon tool use. Call tencent/hy4-preview. The hop is AIHubMix BYOK (hy4-preview on the wire). Caller price is $0 because you spend your own AIHubMix key. List rates copied from AIHubMix: $0.845 / $2.535 per 1M tokens (cache read $0.0423). 1M context, 64K max output. Distinct from unlisted tencent/Hy3.

Use it for coding agents, multi-step tool workflows, and long-context office or engineering tasks that need sustained execution.

Try it in the Vercel AI SDK. createAnyRouter() reads ANYROUTER_API_KEY:

import { createAnyRouter } from "@anyr/ai-sdk-provider"
import { generateText } from "ai"

const anyrouter = createAnyRouter()

const { text } = await generateText({
  model: anyrouter("tencent/hy4-preview"),
  prompt: "Summarize this diff in three bullets.",
})
console.log(text)
generateText with the catalog id.

Already on the OpenAI SDK? OpenAI SDK playbook:

OpenAI-compatible: SDK or curl.
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: "tencent/hy4-preview",
  messages: [{ role: "user", content: "Hello" }],
})
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":"tencent/hy4-preview","messages":[{"role":"user","content":"Hello"}]}'

Or launch a coding agent through the anyr CLI:

Coding agents via the AnyRouter CLI.
curl -fsSL https://anyrouter.dev/setup.sh | bash
anyr login
anyr claude --model "tencent/hy4-preview"
curl -fsSL https://anyrouter.dev/setup.sh | bash
anyr login
anyr opencode --model "tencent/hy4-preview"
curl -fsSL https://anyrouter.dev/setup.sh | bash
anyr login
anyr codex --model "tencent/hy4-preview"

More: AI SDK · OpenAI SDK · coding agents.

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