{
 "id": "laguna-s-2.1",
 "name": "Laguna S 2.1",
 "repo": "poolside/Laguna-S-2.1",
 "lab": {
  "name": "poolside",
  "country": "United States"
 },
 "released": "2026-07-21",
 "parameters": 117.56,
 "activeParameters": 8,
 "maxContext": 1048576,
 "architecture": "MoE 256 experts + 1 shared · 12 global layers + 36 sliding-window layers (512 tokens), GQA 8 KV × 128",
 "page": "https://studiotvai.com/vram-requirements/laguna-s-2-1",
 "calculator": "https://studiotvai.com/llm-vram-calculator?model=laguna-s-2.1",
 "weightsGiB": {
  "bf16": 218.97,
  "fp8": 110.06,
  "q4_k_m": 66.16
 },
 "kvCacheGiBPerRequest": [
  {
   "context": 8192,
   "bf16": 0.445,
   "fp8": 0.223
  },
  {
   "context": 32768,
   "bf16": 1.57,
   "fp8": 0.785
  },
  {
   "context": 131072,
   "bf16": 6.07,
   "fp8": 3.035
  },
  {
   "context": 1048576,
   "bf16": 48.07,
   "fp8": 24.035
  }
 ],
 "recurrentStateGiBPerRequest": 0,
 "gpusNeeded": {
  "scenario": "one request of 8192 tokens, BF16 KV cache; vLLM on data-center GPUs, llama.cpp elsewhere",
  "gpus": [
   {
    "gpu": "rtx-4090",
    "name": "GeForce RTX 4090",
    "memoryGB": 24,
    "engine": "llama.cpp",
    "byFormat": {
     "bf16": 16,
     "fp8": 6,
     "q4_k_m": 4
    }
   },
   {
    "gpu": "rtx-5090",
    "name": "GeForce RTX 5090",
    "memoryGB": 32,
    "engine": "llama.cpp",
    "byFormat": {
     "bf16": 8,
     "fp8": 4,
     "q4_k_m": 3
    }
   },
   {
    "gpu": "rtx-pro-6000",
    "name": "RTX PRO 6000 Blackwell",
    "memoryGB": 96,
    "engine": "llama.cpp",
    "byFormat": {
     "bf16": 3,
     "fp8": 2,
     "q4_k_m": 1
    }
   },
   {
    "gpu": "mac-m5-max-128",
    "name": "Mac M5 Max 128 GB",
    "memoryGB": 96,
    "engine": "llama.cpp",
    "byFormat": {
     "bf16": 3,
     "fp8": 2,
     "q4_k_m": 1
    }
   },
   {
    "gpu": "strix-halo",
    "name": "Ryzen AI Max+ 395 128 GB",
    "memoryGB": 96,
    "engine": "llama.cpp",
    "byFormat": {
     "bf16": 3,
     "fp8": 2,
     "q4_k_m": 1
    }
   },
   {
    "gpu": "dgx-spark",
    "name": "DGX Spark (GB10)",
    "memoryGB": 128,
    "engine": "llama.cpp",
    "byFormat": {
     "bf16": 2,
     "fp8": 1,
     "q4_k_m": 1
    }
   },
   {
    "gpu": "h100",
    "name": "NVIDIA H100",
    "memoryGB": 80,
    "engine": "vLLM",
    "byFormat": {
     "bf16": 4,
     "fp8": 2,
     "q4_k_m": 1
    }
   },
   {
    "gpu": "h200",
    "name": "NVIDIA H200",
    "memoryGB": 141,
    "engine": "vLLM",
    "byFormat": {
     "bf16": 2,
     "fp8": 1,
     "q4_k_m": 1
    }
   },
   {
    "gpu": "b200",
    "name": "NVIDIA B200 (HGX)",
    "memoryGB": 180,
    "engine": "vLLM",
    "byFormat": {
     "bf16": 2,
     "fp8": 1,
     "q4_k_m": 1
    }
   }
  ]
 },
 "ggufFiles": {
  "repo": "poolside/Laguna-S-2.1-GGUF",
  "gib": {
   "F16": 219.05,
   "Q4_K_M": 89.44,
   "Q8_0": 119.91
  }
 },
 "runsWith": [
  "vLLM",
  "SGLang",
  "llama.cpp (Ollama, LM Studio)",
  "MLX (Mac)"
 ],
 "verified": null,
 "updated": "2026-10-30T00:07:05.915Z"
}