Here is your today’s AI Dev Brief from Marktechpost, covering core research, models, infrastructure tools, and applied updates for AI developers and researchers. Also, don’t forget to register for NVIDIA GTC 2026 event (In person/Virtual). NVIDIA has been supporting us to bring free and unlocked AI research and dev news content to you.

Alibaba Qwen Team Releases Qwen3.5-397B MoE Model with 17B Active Parameters and 1M Token Context for AI agents

Alibaba Cloud’s Qwen3.5 release marks a major breakthrough in open-source AI, introducing the 397B-A17B flagship model that utilizes a sparse Mixture-of-Experts (MoE) architecture and a unique Gated Delta Network hybrid design. This technical synergy allows the model to offer 400B-class reasoning with the inference speed of a 17B model, achieving a massive 8.6x to 19.0x increase in decoding throughput. As a native vision-language model trained through Early Fusion, it excels at agentic tasks and visual reasoning across 201 languages, supported by a staggering 1M token context window in the Qwen3.5-Plus version. Released under the Apache 2.0 license, it provides devs and data scientists a high-performance, cost-efficient foundation for building the next generation of multimodal autonomous agents....… Read the full analysis/article here.

Anthropic Releases Claude 4.6 Sonnet with 1 Million Token Context to Solve Complex Coding and Search for Developers

Anthropic’s Claude 4.6 Sonnet introduces a paradigm shift in AI efficiency by combining Adaptive Thinking with native Python-based Dynamic Filtering for web search. By allowing the model to allocate specific compute to reasoning tokens, it achieves a massive 79.6% on SWE-bench Verified and 72.5% on OSWorld, making it the premier choice for autonomous agents and complex coding. With an expanded 1M token context window and a stable price point of $3 per 1M input tokens, 4.6 Sonnet provides software engineers and data scientists with a high-precision, production-ready ‘workhorse’ that effectively eliminates outdated search results and logic hallucinations through internal verification....… Read the full analysis/article here.

Project Notebooks/Tutorials

▶ Meet CopilotKit: Framework for building agent-native applications with Generative UI, shared state, and human-in-the-loop workflows Codes

▶ A Coding Implementation to Design a Stateful Tutor Agent with Long-Term Memory, Semantic Recall, and Adaptive Practice Generation Codes Tutorial

▶ How to Build an Atomic-Agents RAG Pipeline with Typed Schemas, Dynamic Context Injection, and Agent Chaining Codes Tutorial

▶ How to Build a Production-Grade Agentic AI System with Hybrid Retrieval, Provenance-First Citations, Repair Loops, and Episodic Memory Codes Tutorial

▶ How to Build Efficient Agentic Reasoning Systems by Dynamically Pruning Multiple Chain-of-Thought Paths Without Losing Accuracy Codes Tutorial

▶ How to Build a Production-Grade Agentic AI System with Hybrid Retrieval, Provenance-First Citations, Repair Loops, and Episodic Memory Codes Tutorial

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