Qwen3-Coder-480B-A35B-Instruct
qwen3-coder-480b-a35b-instruct-e049e17c·4 events·first seen 1mo agoAliases: Qwen3-Coder-480B-A35B-Instruct, Qwen3-Coder-480B
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Qwen3-Coder: 480B MoE Agentic Coding Model Released by Alibaba/Qwen Team
Alibaba's Qwen team has released Qwen3-Coder, a family of code-focused models with the flagship variant being Qwen3-Coder-480B-A35B-Instruct, a 480B-parameter Mixture-of-Experts model with 35B active parameters. It supports 256K native context length and up to 1M tokens via extrapolation. The model claims state-of-the-art results among open-weight models on agentic coding, browser-use, and tool-use benchmarks, with performance described as comparable to Claude Sonnet 4.
PowerCodeBench: Knowledge Boundary Probing and Intervention for LLM-Based Power System Code Generation
This paper introduces PowerCodeBench, an execution-validated benchmark for evaluating LLMs on power-system simulation code generation using the pandapower library. The authors identify that failures are dominated by API-knowledge boundary errors (hallucinated function names, misused parameters) rather than reasoning failures, and propose a boundary-aware intervention combining API demand estimation with targeted documentation injection. Evaluated across ten open-weight models (1.5B–480B) and four commercial APIs on 2,000 tasks, the intervention yields 32–56 accuracy point improvements while using only 41% of baseline prompt-token cost. Open-weight models in the 70B–120B range match commercial mid-tier accuracy, with Llama-3.1-405B and Qwen3-Coder-480B leading.
Recursive Language Models Offer Path To Dramatically Expand Beyond the Context Window
MIT researchers Alex L. Zhang, Tim Kraska, and Omar Khattab propose Recursive Language Models (RLMs), a framework that offloads long-context processing to an external Python REPL environment, allowing models to programmatically fetch and manage text chunks via code generation. The root model spawns submodel instances to handle subtasks, aggregating their outputs recursively. Evaluated on benchmarks requiring reasoning over documents up to 11 million tokens, RLMs substantially outperform both base models and competing agentic strategies such as retrieval and summarization agents. For example, RLM-GPT-5 achieved 91.3% on BrowseComp+ versus GPT-5's inability to produce an answer, and ~50% accuracy on OOLONG-PAIRS at 1 million tokens versus near-zero for baseline approaches.
Nvidia releases Nemotron 3 Super 120B-A12B open-weights model with hybrid Mamba-2/MoE architecture
Nvidia released Nemotron 3 Super 120B-A12B, an open-weights LLM with a hybrid Mamba-2/transformer/MoE architecture that activates only 12B parameters per token and supports up to 1 million token context. The model claims the fastest inference speed in its size class at 442 tokens/second and leads open-weights models on PinchBench agentic task evaluation, outperforming larger models including Kimi K2.5 (1T parameters). Nvidia is releasing weights, training data, and recipes under a permissive commercial license, and plans a $26B five-year investment in open-weights models — framed partly as a strategic response to Chinese labs building capable open-weights models on non-Nvidia hardware.