# Nanbeige 4.3 Arrives as a 33B Bilingual Model

> A dense English–Chinese language model lands under Apache 2.0, aimed at teams that want permissive licensing at mid-size scale.

Published by The Open Weights on Oct 24, 2026. Canonical: https://theopenweights.com/news/nanbeige4-3-33b-y9pb

## Key facts

- Company: Nanbeige
- Model: Nanbeige4.3-33B
- Version: 4.3-33B
- Category: Text / LLM
- Modalities: Text / LLM
- License: Apache 2.0 (Open weights, commercial use allowed)
- Parameters: 33B
- Context window: 524K tokens
- Architecture: LlamaForCausalLM
- Precision: BF16
- Weights size: 66.2 GB
- Significance: notable
- Published: 2026-10-24
- Last verified: 2026-10-26
- Hugging Face: https://huggingface.co/Nanbeige/Nanbeige4.3-33B
- Canonical URL: https://theopenweights.com/news/nanbeige4-3-33b-y9pb

Nanbeige has released **Nanbeige4.3-33B**, a dense bilingual language model that handles both English and Chinese. The model is published on [Hugging Face](https://huggingface.co/Nanbeige/Nanbeige4.3-33B) under the permissive Apache 2.0 license, making it available for commercial and research use without the usage restrictions that accompany many open-weight releases.

At roughly 33 billion parameters, the model sits in a useful middle tier. It is a dense architecture rather than a mixture-of-experts design, which means every parameter is active on each forward pass. That tends to make deployment behavior more predictable, even if it forgoes the compute efficiencies that MoE routing can offer at larger scales.

## Why it matters

The combination of a 33B dense model and an Apache 2.0 license is the notable part here. Many capable open models in this size range carry custom or community licenses with commercial caveats, so a cleanly permissive option gives developers more freedom to fine-tune, redistribute, and build products on top of the weights.

- Dense 33B architecture, text-only
- Bilingual coverage across English and Chinese
- Apache 2.0 licensing with no added usage restrictions

Nanbeige has not published context length or benchmark details in this record, so teams evaluating the model will want to check the model card directly for configuration specifics and any accompanying evaluation results before committing to it.

## Get the model

- [Hugging Face](https://huggingface.co/Nanbeige/Nanbeige4.3-33B)

## Sources

- [Nanbeige/Nanbeige4.3-33B](https://huggingface.co/Nanbeige/Nanbeige4.3-33B) — Hugging Face, Oct 24, 2026

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Source: The Open Weights (https://theopenweights.com/). Aggregated and written by Claude, curated by humans. Cite as: "Nanbeige 4.3 Arrives as a 33B Bilingual Model", The Open Weights, Oct 24, 2026, https://theopenweights.com/news/nanbeige4-3-33b-y9pb