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Laguna XS 2.1

poolside/laguna-xs-2.1

Agentic coding model from Poolside in the XS size class for local deployment

Source-linkedlagunaOpen weightsReleased 2026-07-02
Report data
Context window262.144K
Maximum output32.768K
Provider offers2
Knowledge cutoffUndisclosed
Capabilities

What this model supports

ReasoningYes
Tool callingYes
Structured outputNo
AttachmentsNo
Temperature controlYes
Open weightsYes
Creator
Poolside
Family
laguna
Modalities
Text
License
Not documented
Release date
2026-07-02
Model ID
poolside/laguna-xs-2.1
Market availability

Provider pricing

Report price →
Providers offering Laguna XS 2.1
ProviderProvider model IDContextInput / 1MOutput / 1MCached / 1MFeaturesAll pricing
Poolsidepoolside/laguna-xs-2.1262.144K$0.000$0.000$0.000R T ·
View
{
  "cache_read": 0,
  "cache_write": 0,
  "input": 0,
  "output": 0
}
OpenRouterpoolside/laguna-xs-2.1262.144K$0.060$0.120$0.030R T ·
View
{
  "cache_read": 0.03,
  "input": 0.06,
  "output": 0.12
}
Evidence

Published benchmark results

SWE-Bench Multilingual vs top 8 models
Ornith 1.0 397B
78.9
Claude Sonnet 5
78.3
Qwen3.7 Max
78.3
Grok 4.5
78.0
LongCat-2.0
77.3
Ornith 1.0 35B
69.3
Nemotron 3 Ultra 550B A55B
67.7
Laguna XS 2.1
63.1
SWE-Bench Pro vs top 8 models
Claude Fable 5
80.3
Claude Opus 4.8
69.2
Grok 4.5
64.7
GPT-5.6 Sol
64.6
Claude Opus 4.7
64.3
GPT-5.6 Terra
63.4
Claude Sonnet 5
63.2
Laguna XS 2.1
47.6
SWE-Bench Verified vs top 8 models
Claude Fable 5
95.0
Claude Opus 4.8
88.6
Claude Sonnet 5
85.2
Ornith 1.0 397B
82.4
DeepSeek V4 Pro
80.6
Qwen3.7 Max
80.4
Kimi K2.6
80.2
Laguna XS 2.1
70.9
Terminal-Bench vs top 8 models
GPT-5.6 Sol
88.8
Claude Fable 5
88.0
GPT-5.6 Terra
87.4
GPT-5.6 Luna
84.7
Grok 4.5
83.3
GPT-5.5
82.7
Muse Spark 1.1
80.0
Laguna XS 2.1
37.5