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Nanbeige LLM Lab Releases Open Source Coding Model Nanbeige4.3-33B

Nanbeige LLM Lab has released a 33-billion parameter dense artificial intelligence model designed for agentic coding tasks under an open Apache 2.0 licence.

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Picture: MarkTechPost

Nanbeige LLM Lab released Nanbeige4.3-33B, a 33-billion parameter dense open source model, MarkTechPost reported on October 25, 2026. Startup Fortune, OrcaRouter, and Pasquale Pillitteri also reported on the release of the agentic coding model, which competes with models such as Qwen3.8-27B and Gemma. [1][2][3][4]

According to MarkTechPost, the new model features a context window of 512K tokens and is released under an Apache 2.0 licence. Nanbeige LLM Lab reported a score of 80.9 on the Terminal-Bench 2.1 benchmark for the model. [1]

The release builds on standard context frameworks used across the industry. The Model Context Protocol was introduced by Anthropic in November 2024 to standardize how large language models share data with external tools and data sources. Anthropic donated the protocol to the Agentic AI Foundation under the Linux Foundation in December 2025. [5]

MarkTechPost reported that the Nanbeige4.3-33B model will be used to teach an upcoming smaller model named Nanbeige4.3-3B. [1]

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In short

  • Nanbeige LLM Lab released Nanbeige4.3-33B, a 33-billion parameter dense open model.
  • The model carries an Apache 2.0 licence and supports a 512K context window.
  • Nanbeige LLM Lab reported a score of 80.9 on Terminal-Bench 2.1 for the model.
  • The 33B model will be used to teach an upcoming Nanbeige4.3-3B model.

Sources

Every paragraph above points to the numbered items it rests on. Read the originals here.

  1. [1]Nanbeige Releases Nanbeige4.3-33B, a 33B Open Agentic Coding ModelMarkTechPost, 9d ago (the report this story comes from)
  2. [2]Nanbeige's New 33B Open Model Takes Aim at Qwen and Gemma on CodingStartup Fortune, 9d ago
  3. [3]Nanbeige4.3-33B vs Qwen3.8-27B: What the Repo ShowsOrcaRouter, 9d ago
  4. [4]Nanbeige4.3-33B arrives open source and takes on Qwen3.8-27B in codingPasquale Pillitteri, 9d ago

Background

  1. [5]Model Context Protocol on Wikipedia

Our newsroom writes these reports with the help of software, from the 5 sources listed and nothing else, and checks them against those sources. Facts can still be wrong or move on; the originals are the record. Spotted a mistake? Write to daniel@monsterkong.com.

Earlier reports of ours on the same people and subjects.

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