Architecture
Retrieved 2026-09-01 at pinned commit d11e61a84261; parameter count from the safetensors index at the same revision.
- Architecture
- cohere2_moe
- Layers
- 49
- Hidden size
- 2,048
- Attention heads
- 32
- KV heads
- 4
- Head dimension
- 128
- Feed-forward width
- 768
- Vocabulary
- 262,144
- Context ceiling
- 500,000
- Sliding window
- 4,096
- RoPE theta
- 50,000
- Experts
- 128
- Experts / token
- 8
- Shared experts
- 0
Where the memory goes
Grouped-query attention shares each key/value head across 8 query heads, so the KV cache is 13% of what multi-head attention would need at the same context.