Nexa-AI-4x4B-Instruct

Copyright (c) 2026 Neura Tech AI & Lumina AI

Nexa-AI-4x4B-Instruct is a collaborative open-source large language model
developed by Neura Tech AI and Lumina AI.

This model incorporates and builds upon components derived from:

- Neura-Tech-AI/Nexa-AI-4B-Instruct
- Qwen/Qwen3-4B-Instruct-2507
- Qwen/Qwen3-4B-Thinking-2507

Copyright (c) 2024 Alibaba Cloud and the Qwen Team.

The original Qwen models are licensed under the Apache License, Version 2.0.
A copy of the Apache License is included in the LICENSE file.

Modifications, integrations, and additions made by Neura Tech AI & Lumina AI include:

- Mixture of Experts (MoE) architecture development
- Expert routing and sparse computation design
- Expert integration and model composition
- Instruction tuning and alignment improvements
- Reasoning capability enhancements
- Identity and behavioral customization
- Chat template customization
- Dataset curation and quality improvements
- Multilingual optimization
- Tokenizer and configuration adjustments
- Inference optimization
- Model packaging, documentation, and distribution
- Branding and project identity

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-4x4B-Instruct

This NOTICE file is provided for attribution purposes only and does not
modify, replace, or supersede the terms of the Apache License, Version 2.0.