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Figure 39: MiniMax M2 230B · diagram by Sebastian Raschka · click to zoom
Sparse MoEMiniMax 🇨🇳 · October 23, 2025

MiniMax M2 (230B)

MiniMax's flagship returns to full attention and looks like a leaner, sparser cousin of Qwen3.

Key detail

Uses per-layer QK-Norm, much sparser MoE routing than Qwen3, and MTP during training.

Total params

230B

Active / token

10B

Context

192K

Fact sheet

Scale
230B total, 10B active (4.3% active)
Context window
196,608 tokens
Decoder type
Sparse MoE
Attention
GQA with QK-Norm and partial RoPE
Layer mix
62 GQA
KV cache / token (bf16)
248 KiB · High
License
Modified MIT License
Released

Efficiency

Parameters active per token

4.3%

10B of 230B weights run for each token.

KV cache per token (bf16)

248 KiB

Smaller than 16% of models in the atlas. How it’s calculated

AA Intelligence Index v4.3.2

Source

18.6

Scientific
7.3

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Similar architectures

  • Architecture diagram of MiniMax-M2.5 (230B)

    MiniMax, released 2026-02-12. Sparse MoE decoder, 230B total, 10B active, 192K context. Attention: GQA with QK-Norm.

  • Architecture diagram of MiniMax M2.7 (230B)

    MiniMax, released 2026-03-18. Sparse MoE decoder, 230B total, 10B active, 192K context. Attention: GQA with QK-Norm.

  • Architecture diagram of GLM-4.5 (355B)

    Z.ai, released 2025-07-28. Sparse MoE decoder, 355B total, 32B active, 128K context. Attention: GQA with QK-Norm.

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