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poolside/
Laguna-S-2.1-GGUF

Name: Laguna-S-2.1-GGUF
Availability: InStock

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poolside/Laguna-S-2.1

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Use on OpenRouter · Use on Vercel AI Gateway · Release blog post

Laguna S 2.1 GGUF

GGUF conversions of Laguna S 2.1 for llama.cpp, plus the DFlash speculative-decoding draft model. See the base model card for architecture details, license, and usage guidance.

Files

File	Size	Notes
`laguna-s-2.1-F16.gguf`	235 GB	full precision
`laguna-s-2.1-Q8_0.gguf`	129 GB	routed experts Q8_0, signal path (attention, shared experts, embeddings) kept BF16
`laguna-s-2.1-Q4_K_M.gguf`	68 GB	routed experts Q4_K (imatrix), signal path kept Q8_0
`laguna-s-2.1-DFlash-BF16.gguf`	2.2 GB	DFlash drafter for speculative decoding
`laguna-s-2.1.imatrix`	0.4 GB	importance matrix used for the K-quants

Serving

Serve with Poolside's llama.cpp fork, branch laguna, which carries full Laguna support including DFlash speculative decoding. (Base Laguna support is also in upstream review: ggml-org/llama.cpp#25165.)

shell

git clone --branch laguna https://github.com/poolsideai/llama.cpp
cd llama.cpp && cmake -B build && cmake --build build -j

./build/bin/llama-server -m laguna-s-2.1-Q4_K_M.gguf --jinja --port 8000

# with DFlash speculative decoding:
./build/bin/llama-server -m laguna-s-2.1-Q4_K_M.gguf \
  -md laguna-s-2.1-DFlash-BF16.gguf \
  --spec-type draft-dflash --spec-draft-n-max 15 \
  --spec-draft-override-tensor '.*=CUDA0' \
  -fa on --jinja --port 8000

Context length

These GGUFs ship configured for a 262,144-token (256K) context window. This is the configuration we recommend for best output quality.

The weights are native 1M checkpoints: training included a long-context extension stage up to 1,048,576 tokens. To use more than 256K of context with llama.cpp, override the rope configuration at load time:

--ctx-size 1048576 --rope-scaling yarn --rope-scale 128 --yarn-orig-ctx 8192

You may experience quality degradation with the 1M configuration. If you use it, we recommend sampling with --temp 0.7 --top-p 0.95.

This release also corrects the embedded yarn_attn_factor metadata (now 1.0; llama.cpp derives the YaRN attention scaling internally).

poolside/Laguna-S-2.1-GGUF

Laguna S 2.1 GGUF

Files

Serving

Context length

poolside/
Laguna-S-2.1-GGUF