poolside / text-generation Open weights Also via API updated 2 months ago

Laguna-S-2.1

Laguna S 2.1 is a 118B total parameter Mixture-of-Experts model with 8B activated parameters per token, designed for agentic coding and long-horizon work. It sits between Laguna XS 2.1 (33B-A3B) and Laguna M.1 (225B-A23B) in the Laguna series and shares the family recipe: a token-choice router with softplus gating over 256 routed experts plus one shared expert, grouped-query attention, and interleaved full/sliding-wi...

Params
117.6 B
Context
1,048,576
Downloads 30d
397 K
Likes
1,060
Licence: openmdw-1.1 Not gated SAFETENSORS View on Hugging Face ↗

Download history

daily snapshots · 18 days
397 K190 K
Oct 6Oct 12Oct 18Oct 23

Can you run it?

Estimated VRAM at 8K context unless noted. Pick your hardware to see the verdict per quantization.

FileQuantSizeEst. VRAMVerdict on RTX 4090 · 24 GB
model.safetensors bf16 235.1 GB 276.8 GB ❌ Won’t fit
model.safetensors (bf16, full) bf16 + 1024K ctx 235.1 GB 2,516.3 GB ❌ Won’t fit
Estimate: file size × 1.1 + KV cache at 8K + 0.5 GB overhead. Not a benchmark — how we calculate this.

Run it

copy-paste, exact tags checked against the Hub
~ · curl · api/v1
$ curl -s https://aimodelscomparison.com/api/v1/models/laguna-s-2-1
{
  "hf_id": "poolside/Laguna-S-2.1",
  "params_b": 117.56,
  "context_length": 1048576,
  "license": { "id": "openmdw-1.1", "commercial": "unknown" },
  "downloads_30d": 397257,
  "vram_estimates": [
    { "quant": "bf16", "gb": 276.8 }
  ],
  "updated_at": "2026-10-06T01:00:18Z"
}
est. VRAM —on RTX 4090 · 24 GBJSON API →

Use via API

via OpenRouter · USD per 1M tokens · synced 2026-10-23
$0.09
input / 1M
$0.18
output / 1M
$0.009
cached input / 1M
$0.27
1M in + 1M out
:free variant Free in · Free out
Context window
1,048,576 tokens
Max output
131,072 tokens
Providers
1
Cheapest provider
Poolside · $0.09 / $0.18
Best throughput
—
AA Intelligence / Coding / Agentic
— / — / —
✓ Tool calling ✓ Reasoning ✗ Structured outputs ✗ Image input ✗ File input ✗ Audio input ✓ Prompt caching

Specifications

Architecture
LagunaForCausalLM
Parameters
117.6 B
Tensor type
BF16
Context length
1,048,576
Vocabulary
100,352
Layers / heads
48 / 48
Licence
openmdw-1.1
First seen on the Hub
2026-07-13
Training datasets
undisclosed
Added to our catalog
2026-10-06

Family

Base model and the most-downloaded derivatives in the catalog.

Compare with any text-generation model