Open Source · mobile

Use DeepSeek V2.5 with Flutter

Updated 2026-05-21 · By XALEN

How to use DeepSeek V2.5 (Open Source, 236B (21B active)) with Flutter. Install, authenticate, and make your first API call in minutes. Working code example included.

Model

DeepSeek V2.5

236B (21B active) · 128K context · $0.04 input

Framework

Flutter

mobile · flutter pub add http

1. Install

flutter pub add http

2. Code

import 'dart:convert';
import 'package:http/http.dart' as http;

Future<String> chat(String question) async {
  final response = await http.post(
    Uri.parse('https://api.xalen.io/v1/chat/completions'),
    headers: {
      'Authorization': 'Bearer xln_test_YOUR_KEY',
      'Content-Type': 'application/json',
    },
    body: jsonEncode({
      'model': 'deepseek-v2-5',
      'messages': [{'role': 'user', 'content': question}],
    }),
  );
  final data = jsonDecode(response.body);
  return data['choices'][0]['message']['content'];
}

DeepSeek V2.5 with Other Frameworks

Python JavaScript React Next.js Flask FastAPI Django Express.js

Other Models with Flutter

Vedika Standard Vedika Fast Vedika Pro Ultra Vedika Vision Vedika Code Vedika Astro Agent

200+ models. One API. Works with any framework.

Get API Key

Last updated: 2026-05-21