Poolside: Laguna XS 2.1

poolside/laguna-xs-2.1 · PoolsideNot yet established
Declared family
Unknown
Evidence confidence
Unknown
Declared tokenizer tag
Other
Entered catalogue
2 July 2026
Last tested
21 August 2026
Measurement
Measured
Compare with Ling-3.0-flash

Identity statement

Poolside: Laguna XS 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
SignalResultReference
Tokenizer signatureClean measurement; no exact match yettk_08973fc0
API surfaceIdentical contract to 2 other entriesapi_814dfb45
Context and output262,144 context · 32,768 max outputdeclared
Reasoning contractOptionaldeclared
Serving providers observedPoolsidemeasured 21 August 2026

Closest measured models

Agreement across the mutually clean test strings

Click a row to open the full comparison.

The measured fingerprint

Marginal prompt-token cost of each test string, grouped by script
All 50 rows

English and whitespace

en-prose14
en-long17
spaces-203
spaces-603
tabs-203
newlines-204
mixed-ws7

Digits

digits-99
digits-1212
digits-3030
digits-sep12
float-long22

CJK

zh-common12
zh-long20
zh-rare20
ja-kana14
ja-kanji15
ko13

Other scripts

ru15
ar23
he22
hi26
th25
el24

Emoji

emoji-basic10
emoji-skin20
emoji-zwj-family11
emoji-zwj-x333
emoji-flags10
emoji-prof20

Rare Unicode

math24
boxdraw27
combining12
cjk-ext-b16
surrogates37
zalgo36
rtl-mix11

Code

py-code26
py-indent18
json25
html16
regex42
camel6
snake6

Repetition and encodings

rare-word-x536
repeat-tok22
base6434
hex16
url19
uuid36

An x marks a row excluded as corrupt (caching or provider interference detected during measurement). Overhead subtracted: 14 prompt tokens.

Declared record

What the catalogue claims about this model

Laguna XS 2.1 is the latest coding agent model in the 33B-A3B category from [Poolside](https://poolside.ai/) and a step forward from their Laguna XS.2 model (released in April 2026). It combines...

Modalities
text->text
Declared tokenizer
Other
Prompt price
$0.06 / M tokens
Completion price
$0.12 / M tokens

Supported parameters

include_reasoningmax_tokensreasoningtemperaturetool_choicetools

defaults: {}

Catalogue entryWeights on Hugging Face

History

Every observation, kept as taken
  • 2 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 XS 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.