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Qwen 3.5 122B-A10B Shocks Reasoning

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🦙Read original on Reddit r/LocalLLaMA
#local-llm#reasoning#quantizationqwen-3.5-122b-a10bqwen-3.5localllama

💡Local model matches top reasoning—ideal for offline app building

⚡ 30-Second TL;DR

What Changed

Intuitive self-guided planning in coding tasks

Why It Matters

Boosts local LLM adoption by showing frontier-level reasoning without cloud reliance.

What To Do Next

Download Qwen 3.5 122B-A10B and test reasoning on local app dev tasks.

Who should care:Developers & AI Engineers

Key Points

  • Intuitive self-guided planning in coding tasks
  • References existing patterns for API routes
  • Runs locally with strong reasoning performance

🧠 Deep Insight

Background and context from public sources — not the original article. 9 sources cited.

🔑 Enhanced Key Takeaways

  • Qwen3.5-122B-A10B is a multimodal vision-language model supporting text, image, and video inputs for agent applications.[3]
  • Released on February 24, 2026, by Alibaba as part of the Qwen3.5 family, emphasizing efficiency with 10B active parameters out of 122B total.[6]
  • Achieves strong benchmarks like 58.6 on SuperGPQA and leads in BFCL-V4 and BrowseComp for agentic tasks.[2][4]

🛠️ Technical Deep Dive

  • Total parameters: 122B, active parameters: 10B; Mixture-of-Experts with 256 experts (8 routed + 1 shared).[2][3]
  • Architecture: 48 layers, hidden dimension 3072, hidden layout 12 × (3 × (Gated DeltaNet → MoE) → 1 × (Gated Attention → MoE)); Gated DeltaNet uses 64 linear attention heads for V and 16 for QK (head dim 128).[2]
  • Gated Attention: 32 heads for Q and 2 for KV (head dim 256), RoPE dim 64; context length 262,144 tokens natively, extensible to 1,010,000 with YaRN.[2][3]
  • Vocabulary size: 248,320; supports function calling, vision, and reasoning; optimized for NVIDIA GPUs (Ampere, Hopper, Blackwell).[1][3]
  • Pricing on OpenRouter: $0.40/M input tokens, $2.00/M output tokens; output speed ~154.5 tokens/second.[1][7]

🔮 Future ImplicationsAI analysis grounded in cited sources

Qwen3.5-122B-A10B will accelerate adoption of local multimodal agents
Its open-source Apache 2.0 license, local run support via Ollama, and strong agent benchmarks enable efficient deployment on consumer hardware without cloud dependency.[4][9]
MoE efficiency will pressure dense models in mid-2026 leaderboards
10B active params deliver top-tier intelligence (41.6 index) and speed (154 t/s) at lower compute than equivalent dense 122B models.[7]

Timeline

2026-02
Qwen3.5 series release including 122B-A10B model
2026-02-24
Official launch of Qwen3.5-122B-A10B by Alibaba
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Original source: Reddit r/LocalLLaMA

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