Skip to content

118 architectures, latest Oct 29, 2026

LLM Architecture Atlas

A visual library of open-weight model architectures and the design ideas behind them, from GPT-2 to this monthโ€™s releases.
118 models
  • New
    Architecture diagram of Mistral Large 4 (1T)

    Mistral AI, released 2026-10-29. Sparse MoE decoder, 1T total, 52B active, 1M context. Attention: MLA with modified DeepSeek Sparse Attention, index reuse, and KV sharing.

  • New
    Architecture diagram of LFM3 (1.7B)

    Liquid AI, released 2026-10-27. Dense hybrid decoder, 1.7B parameters, 256K context. Attention: ShortConv plus gated GQA with QK-Norm and sliding-window/global attention.

  • New
    Architecture diagram of MiniMax M3.1-Flash (428B)

    MiniMax, released 2026-10-19. Sparse MoE decoder, 428B total, 23B active, 1M context. Attention: GQA with QK-Norm and MiniMax Sparse Attention.

  • New
    Architecture diagram of Recursive Flint (40B-A2.5B)

    Recursive, released 2026-10-18. Sparse MoE decoder, 40B total, 2.5B active, 256K context. Attention: GQA with QK-Norm, learned attention sinks, and sliding-window/global attention.

  • New
    Architecture diagram of Reflection Beam (501B)

    Reflection, released 2026-10-16. Sparse MoE decoder, 501B total, 23B active, 1M context. Attention: Gated GQA with QK-Norm and sliding-window/global attention.

  • New
    Architecture diagram of Dory1.0 (4B)

    NVIDIA, released 2026-10-16. Dense decoder, 4B parameters, 256K context. Attention: Gated GQA; 3:1 sliding-window/full, RoPE.

  • Architecture diagram of Muse Spark Open (816B-A42B)

    Meta, released 2026-10-15. Sparse MoE decoder, 816B total, 42B active, 1M context. Attention: Gated GQA with scaleless QK-Norm, local-only RoPE, global NoPE, and 3:1 sliding-window/global attention.

  • Architecture diagram of Nemotron 3.5 Super VL (120B-A12B)

    NVIDIA, released 2026-10-15. Hybrid MoE decoder, 120B total, 12B active, 1M context. Attention: Mostly Mamba-2 with eight GQA layers.

  • Architecture diagram of Ling 3.1 Flash (560B)

    InclusionAI, released 2026-10-13. Hybrid MoE decoder, 560B total, 25B active, 1M context. Attention: 7:1 Kimi Delta Attention and gated MLA.

  • Architecture diagram of Kolibri-1 (78B)

    Aleph Alpha, released 2026-10-03. Sparse MoE decoder, 78B total, 3.5B active, 256K context. Attention: GQA with QK-Norm and 4:1 sliding-window/global attention.

  • Architecture diagram of Naive-N0.5-Flash (309B)

    NaiveAI, released 2026-09-27. Sparse MoE decoder, 309B total, 16B active, 1M context. Attention: GQA with sliding-window attention and DeepSeek Sparse Attention.

  • Architecture diagram of Ember-1 (2.8T)

    Fireworks AI, released 2026-09-23. Hybrid MoE decoder, 2.8T total, 104B active, 1M context. Attention: 3:1 Kimi Delta Attention and Gated MLA with NoPE.

  • Architecture diagram of Xiaomi MiMo-V2.6-Flash-RL (309B)

    Xiaomi, released 2026-09-21. Sparse MoE decoder, 309B total, 15B active, 1M context. Attention: GQA with sliding-window/global attention.

  • Architecture diagram of Xiaomi MiMo-V2.6-Pro-RL (1.02T)

    Xiaomi, released 2026-09-21. Sparse MoE decoder, 1.02T total, 42B active, 1M context. Attention: GQA with 6:1 sliding-window/global attention.

  • Architecture diagram of Step-5 Preview (600B)

    StepFun, released 2026-09-20. Sparse MoE decoder, 600B total, 27B active, 1M context. Attention: Gated GQA with QK-Norm and 3:1 sliding-window/sparse attention.

  • Architecture diagram of DeepSeek V4.1-Flash (552B)

    DeepSeek, released 2026-09-10. Sparse MoE decoder, 552B total, 8B active, 1M context. Attention: MLA-style CSA2 + SWA with cross-layer KV and sparse-index reuse.

  • Architecture diagram of Tencent Hy4-preview (770B-A49B)

    Tencent, released 2026-08-28. Sparse MoE decoder, 770B total, 49B active, 1M context. Attention: Gated MLA with DeepSeek Sparse Attention and IndexCache.

  • Architecture diagram of GLM-5.3-Flash (320B)

    Z.ai, released 2026-08-26. Hybrid MoE decoder, 320B total, 18B active, 1M context. Attention: 3:1 Kimi Delta Attention and MLA with DeepSeek Sparse Attention.

  • Architecture diagram of Qwen3.8-Flash-Next (125B-A6B)

    Alibaba Cloud, released 2026-08-26. Hybrid MoE decoder, 125B total, 6B active, 256K context. Attention: 3:1 Gated DeltaNet and Qwen Sparse Attention (QSA).

  • Architecture diagram of Ornith 1.5 (35B-A3B)

    Ornith, released 2026-08-23. Hybrid MoE decoder, 35B total, 3B active, 256K context. Attention: 3:1 Gated DeltaNet and Gated Attention.

  • Architecture diagram of Qwen3.8 (27B)

    Alibaba Cloud, released 2026-08-14. Dense hybrid decoder, 27B parameters, 256K context. Attention: 3:1 Gated DeltaNet and Gated Attention.

  • Architecture diagram of Nemotron 3.5 Lightning (30B-A3B)

    NVIDIA, released 2026-08-11. Hybrid MoE decoder, 30B total, 3B active, 1M context. Attention: Mostly Mamba-2 with six GQA layers.

  • Architecture diagram of Muse Glimmer (30B)

    Meta, released 2026-08-10. Dense decoder, 30B parameters, 128K context. Attention: Gated GQA with scaleless QK-Norm, local-only RoPE, global NoPE, and 3:1 sliding-window/global attention.

  • Architecture diagram of Ling 3.0 Flash (124B)

    InclusionAI, released 2026-08-04. Hybrid MoE decoder, 124B total, 5.1B active, 256K context. Attention: 5:1 Kimi Delta Attention and gated MLA.

  • Architecture diagram of Kimi K3 (2.8T)

    Moonshot AI, released 2026-07-27. Hybrid MoE decoder, 2.8T total, 104B active, 1M context. Attention: 3:1 Kimi Delta Attention and Gated MLA with NoPE.

  • Architecture diagram of Solar Open 2 (250B)

    Upstage, released 2026-07-22. Hybrid MoE decoder, 250B total, 15B active, 1M context. Attention: 3:1 Kimi Delta Attention and gated GQA with NoPE.

  • Architecture diagram of Antares (1B)

    Cisco, released 2026-07-21. Dense decoder, 1B parameters, 128K context. Attention: GQA with RoPE.

  • Architecture diagram of Laguna S 2.1 (118B)

    Poolside, released 2026-07-21. Sparse MoE decoder, 118B total, 8B active, 1M context. Attention: Gated GQA with QK-Norm and 3:1 sliding-window/global attention.

  • Architecture diagram of Motif 3 Beta (314B)

    Motif Technologies, released 2026-07-21. Sparse MoE decoder, 314B total, 13B active, 256K context. Attention: GDLA with MLA-style latent projections, RoPE, and 3:1 sliding-window/full attention.

  • Architecture diagram of Nanbeige 4.2 (3B)

    BOSS Zhipin, released 2026-07-21. Dense decoder, 4B parameters, 256K context. Attention: GQA with RoPE.

Search the atlas

Jump to a model, concept or page