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Qwen3.8 2.4T A95B

Active Parameters

2.4T

Context Length

262K

Modality

Text

Architecture

Mixture of Experts (MoE)

License

Apache 2.0

Release Date

12 Aug 2026

Knowledge Cutoff

-

System Requirements

VRAM requirements for different quantization methods and context sizes

1,024 tokens

5041.91 GB VRAM

Consumer

427x RTX 4090

24GB VRAM

Datacenter

94x NVIDIA A100

80GB VRAM

Apple Silicon

98x Apple M3 Max

128GB VRAM

262,144 tokens

5145.22 GB VRAM

Consumer

439x RTX 4090

24GB VRAM

Datacenter

96x NVIDIA A100

80GB VRAM

Apple Silicon

101x Apple M3 Max

128GB VRAM

Architecture Diagram

Input TokensToken EmbeddingPosition: RoPEHidden: 8.2k · Context: 262K · Vocab: 248.3kx 92 layersRMSNormPre-AttentionGrouped-Query Attention64Q / 4KV headsHead dim: 256+RMSNormPre-FFNSparse MoE FFN (11/512 experts)SwiGLUIntermediate: 2k+Final RMSNormOutput Logits

Evaluation Benchmarks

No evaluation benchmarks for Qwen3.8 2.4T A95B available.

Rankings

Overall Rank

-

Coding Rank

-

About Qwen3.8 2.4T A95B

Qwen3.8-2.4T-A95B is Alibaba's flagship open-weight Mixture-of-Experts (MoE) foundation model with 2.4 trillion total parameters and 95 billion active parameters per token (512 routed experts with 10 active + 1 shared expert). Built on a 92-layer hybrid backbone interleaving Gated DeltaNet linear attention with standard Gated Attention (full attention at every 4th layer), it delivers frontier reasoning, coding, and autonomous agent capabilities with native 262K context (extensible to 1M) and mandatory thinking mode.

Technical Specifications

Attention

Attention Structure

Grouped-Query Attention

Attention Heads

64

Key-Value Heads

4

Attention Head Dimension

256

Position Embedding

ROPE

RoPE Theta

10,000,000

Sliding Window Attention

No

Sliding Window Size

-

Sliding Window Ratio

-

Linear Attention

Yes

Linear Attention Ratio

75.0%

Normalization

RMS Normalization

Activation Function

SwigLU

Dimensions

Hidden Dimension Size

8,192

Number of Layers

92

FFN Intermediate Size (Dense)

2,048

Multi-Token Prediction Heads

1

Tokenizer

Vocabulary Size

248,320

Mixture of Experts

Total Expert Parameters

95.0B

Number of Experts

512

Active Experts

11

Shared Experts

1

FFN Intermediate Size (per Expert)

2,048

Dense Layers Before MoE

-

About Qwen 3.8

Alibaba's Qwen 3.8 generation represents the frontier hybrid Mixture-of-Experts architecture designed for coding, professional work, research, and long-horizon agentic tasks. It features a 2.4-trillion parameter architecture (95B active per token) combining Gated DeltaNet linear attention with standard Gated Attention, available both as open weights and as a hosted flagship service.


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