Poolside: Laguna S 2.1
poolside/laguna-s-2.1 · PoolsideNot yet established- Declared family
- Unknown
- Evidence confidence
- Unknown
- Declared tokenizer tag
- Other
- Entered catalogue
- 21 July 2026
- Last tested
- 21 August 2026
- Measurement
- Measured
Identity statement
Poolside: Laguna S 2.1 has a clean measured fingerprint that currently sits alone: no other measured model shares its signature.
Evidence stack
Signals of different kinds, weighed together| Signal | Result | Reference |
|---|---|---|
| Tokenizer signature | Clean measurement; no exact match yet | tk_cd5bb5f6 |
| API surface | No other entry shares this exact contract | api_82c12180 |
| Context and output | 1,048,576 context · 131,072 max output | declared |
| Reasoning contract | Optional | declared |
| Serving providers observed | Poolside | measured 21 August 2026 |
Closest measured models
Agreement across the mutually clean test stringsPoolside: Laguna XS 2.1poolside/laguna-xs-2.114/50 · 28%Amazon: Nova Micro 1.0amazon/nova-micro-v113/50 · 26%Amazon: Nova Lite 1.0amazon/nova-lite-v113/50 · 26%Qwen: Qwen3.8 27Bqwen/qwen3.8-27b12/50 · 24%Nex AGI: Nex-N2-Mininex-agi/nex-n2-mini12/50 · 24%Qwen: Qwen3.7 Flashqwen/qwen3.7-flash12/50 · 24%
Click a row to open the full comparison.
The measured fingerprint
Marginal prompt-token cost of each test string, grouped by scriptAll 50 rows
English and whitespace
en-prose13
en-long17
spaces-203
spaces-603
tabs-203
newlines-204
mixed-ws7
Digits
digits-910
digits-1213
digits-3031
digits-sep13
float-long23
CJK
zh-common13
zh-long21
zh-rare21
ja-kana15
ja-kanji16
ko14
Other scripts
ru16
ar24
he23
hi27
th26
el25
Emoji
emoji-basic11
emoji-skin21
emoji-zwj-family12
emoji-zwj-x334
emoji-flags11
emoji-prof21
Rare Unicode
math25
boxdraw28
combining12
cjk-ext-b17
surrogates38
zalgo36
rtl-mix12
Code
py-code25
py-indent18
json24
html16
regex43
camel7
snake6
Repetition and encodings
rare-word-x536
repeat-tok21
base6434
hex17
url19
uuid37
An x marks a row excluded as corrupt (caching or provider interference detected during measurement). Overhead subtracted: 43 prompt tokens.
Declared record
What the catalogue claims about this modelLaguna S 2.1 is the latest coding agent model from [Poolside](<https://poolside.ai/>). Laguna S 2.1 is a 118B total parameter model with 8B active parameters, scoring 70.2% on Terminal-Bench 2.1 and...
- Modalities
- text->text
- Declared tokenizer
- Other
- Prompt price
- $0.09 / M tokens
- Completion price
- $0.18 / M tokens
Supported parameters
include_reasoningmax_tokensreasoningtemperaturetool_choicetools
defaults: {}
History
Every observation, kept as taken- 21 July 2026Enters the OpenRouter catalogue with no declared family.
- 21 August 2026Fingerprinted in the YFarmX catalogue sweep · 50 of 50 strings measured clean.
Cite this page as the evidence record for Poolside: Laguna S 2.1: the URL is stable, measurements are dated, and revisions append to the history above. Method: tokenizer fingerprinting, v1, 50 strings. The raw data behind every figure is on the data page.