Compact · mobile

Use IBM Granite 3.1 2B with Kotlin (Android)

Updated 2026-05-21 · By XALEN

How to use IBM Granite 3.1 2B (Compact, 2B) with Kotlin (Android). Install, authenticate, and make your first API call in minutes. Working code example included.

Model

IBM Granite 3.1 2B

2B · 128K context · $0.004 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", "granite-3-1-2b")
        .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