Clover 1 150B

Developer: Kitani
Architecture: clover_1_moe
Base model: Qwen/Qwen3.8-27B

Clover 1 150B is a Kitani derivative of Qwen3.8-27B. It preserves the trained Qwen3.8 tokenizer, multimodal vision tower, hybrid Gated DeltaNet/full-attention backbone, embeddings and language head, while replacing every language-model FFN with a custom sparse mixture-of-experts layer.

Clover changes

  • 8 full-size routed experts per language layer
  • top-1 expert routing
  • fp32 learned router with per-expert bias
  • training-time router jitter
  • Switch-style load-balancing objective
  • router z-loss
  • optional entropy regularization
  • custom Hugging Face architecture: clover_1_moe

Every expert is initialized from its corresponding dense Qwen3.8 FFN. This is a function-preserving upcycling initialization; capability gains require continued training so the experts and router specialize.

Load

from transformers import AutoProcessor, AutoModelForImageTextToText

processor = AutoProcessor.from_pretrained(
    "Kitani/Clover-1-150B",
    trust_remote_code=True,
)
model = AutoModelForImageTextToText.from_pretrained(
    "Kitani/Clover-1-150B",
    trust_remote_code=True,
    dtype="auto",
    device_map="auto",
)

Attribution

Based on Qwen3.8-27B by the Qwen team. Apache-2.0 attribution and modification notices are retained. Clover branding does not imply that Qwen/Alibaba authored or endorsed Kitani's modifications.

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