Qwen 35B-A3B: 26 t/s on 8GB Laptop at 100K Context
๐ก26 t/s for 35B MoE at 100K ctx on 8GB RTX 4060 laptopโlow-VRAM breakthrough
โก 30-Second TL;DR
What Changed
26.18 t/s generation, 330.69 t/s prompt at 100K context
Why It Matters
Proves viable long-context inference on consumer 8GB GPUs, ideal for privacy-sensitive local runs. Challenges assumptions on VRAM limits for 35B MoE models.
What To Do Next
Test Qwen3.5-35B-A3B GGUF on your 8GB GPU with llama.cpp flash-attn enabled.
Key Points
- โข26.18 t/s generation, 330.69 t/s prompt at 100K context
- โขllama.cpp with flash-attn, -ngl 99, -ncmoe 35 on RTX 4060 8GB
- โข34.93 t/s at 5K context drops linearly to 26 t/s at 100K
- โขLenovo laptop: i7-14000HX, 64GB DDR5 RAM
- โขUnsloth quantized GGUF model
๐ง Deep Insight
Background and context from public sources โ not the original article. 7 sources cited.
๐ Enhanced Key Takeaways
- โขQwen3.5-35B-A3B is a native vision-language model supporting text and image inputs with a native context length of 262,144 tokens, extensible to over 1 million tokens[1][3][4].
- โขModel architecture features a hybrid design with 40 layers, hidden dimension of 2048, 256 Mixture-of-Experts (8 routed + 1 shared activated), and Gated Delta Networks for efficient inference[1].
- โขOn high-end GPUs like RTX 3090/4090, users report 60-100+ t/s generation speeds due to only ~3B active parameters per token in its MoE setup[2].
- โขReleased on February 24, 2026, it achieves strong benchmarks like 84.5% on GPQA and 37.1 Intelligence Index score[4].
๐ Competitor Analysisโธ Show
| Feature | Qwen3.5 27B (Dense) | Qwen3.5 35B-A3B (MoE) |
|---|---|---|
| Total Parameters | 27 Billion | 35 Billion |
| Active Parameters | 27 Billion | ~3 Billion |
| Tokens Per Second (RTX 3090) | 15โ25 t/s | 60โ100+ t/s |
| VRAM Requirement (Q4) | ~16โ18 GB | ~20โ22 GB |
| Best For | Complex Coding, Logic | Fast Chat, Agents[2] |
๐ ๏ธ Technical Deep Dive
- โขTotal parameters: 35B, active parameters: ~3B; hidden dimension: 2048; token embedding: 248,320 (padded)[1][2].
- โขArchitecture: 40 layers in layout 10 ร (3 ร (Gated DeltaNet โ MoE) โ 1 ร (Gated Attention โ MoE)); Gated DeltaNet uses 32 linear attention heads for V and 16 for QK[1].
- โขGated Attention: 16 heads for Q, 2 for KV; head dimension 256; Rotary Position Embedding dimension 64; Mixture-of-Experts: 256 experts, 8 routed + 1 shared activated; expert intermediate dimension 512[1].
- โขMultimodal capabilities: Unified vision-language foundation via early fusion training on multimodal tokens; supports text/image/video input, text output[1][4].
- โขContext: 262,144 tokens natively, extensible to 1,010,000; trained with multi-step MTP[1][3][4].
๐ฎ Future ImplicationsAI analysis grounded in cited sources
โณ Timeline
๐ Sources (7)
Factual claims are grounded in the sources below. Forward-looking analysis is AI-generated interpretation.
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Original source: Reddit r/LocalLLaMA โ
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