Nexa-AI-4B-Instruct Copyright (c) 2026 Neura Tech AI & Lumina AI Nexa-AI-4B-Instruct is a collaborative open-source large language model developed by Neura Tech AI and Lumina AI. This model is based on: Qwen/Qwen3-4B-Instruct-2507 Copyright (c) 2024 Alibaba Cloud and the Qwen Team. The original Qwen model is licensed under the Apache License, Version 2.0. A copy of the Apache License is included in the LICENSE file. Modifications and additions made by Neura Tech AI & Lumina AI include: - Instruction fine-tuning - Identity customization - Chat template customization - Alignment improvements - Dataset improvements - Branding and documentation - Model packaging and distribution These modifications are Copyright (c) 2026 Neura Tech AI & Lumina AI. Neura Tech AI Official AI Research & Development Organization Lumina AI Collaborating AI Research Organization Project: Nexa AI Model: Nexa-AI-4B-Instruct This NOTICE file is provided for attribution purposes only and does not modify or replace the terms of the Apache License, Version 2.0.