Open Source · mobile

Use Llama 3.3 70B with Kotlin (Android)

Updated 2026-05-21 · By XALEN

How to use Llama 3.3 70B (Open Source, 70B) with Kotlin (Android). Install, authenticate, and make your first API call in minutes. Working code example included.

Model
Llama 3.3 70B
70B · 128K context · $0.04 input
Framework
Kotlin (Android)
mobile · implementation("com.squareup.okhttp3:okhttp:4.12.0")

1. Install

implementation("com.squareup.okhttp3:okhttp:4.12.0")

2. Code

import okhttp3.*
import org.json.JSONObject

suspend fun chat(question: String): String {
    val client = OkHttpClient()
    val body = JSONObject()
        .put("model", "llama-3-3-70b")
        .put("messages", org.json.JSONArray()
            .put(JSONObject().put("role", "user").put("content", question)))
    val request = Request.Builder()
        .url("https://api.xalen.io/v1/chat/completions")
        .addHeader("Authorization", "Bearer xln_test_YOUR_KEY")
        .post(body.toString().toRequestBody("application/json".toMediaType()))
        .build()
    val response = client.newCall(request).execute()
    val json = JSONObject(response.body!!.string())
    return json.getJSONArray("choices").getJSONObject(0)
        .getJSONObject("message").getString("content")
}

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Last updated: 2026-05-21