Laguna XS 2.1
PoolsideOpen WeightOpenMDW License v1.1 · Commercial OK
Description
Laguna XS 2.1 is Poolside's open-weight Mixture-of-Experts coding model with 33B total parameters and 3B activated per token (256 experts + 1 shared; 40 layers). It targets agentic coding and long-horizon local work, with interleaved thinking, a 262,144-token context window, and text-to-text only modalities. Available as open weights on Hugging Face and via Poolside's API and OpenRouter (poolside/laguna-xs-2.1).
Release Date
2026-07-02
Parameters
33.0B
Context Length
262K
Modalities
text
Capability Radar
50
general
50
coding
50
reasoning
43
scienceest.
40
agents
0
multimodal
Science is estimated from LLM Stats science scores or reasoning when no dedicated science benchmarks are available.
Rankings
No ranking data available
Benchmark Scores (LLM Stats)
(LLM Stats (zeroeval))Reasoning
SWE-Bench Verified
70.9%SR
SWE-bench Multilingual
63.1%SR
SWE-Bench ProPrinceton NLP (2024)
47.6%SR
Terminal-Bench 2.0Stanford × Laude Institute (2026)
37.5%SR
AA Evaluation Indices
(Artificial Analysis)No AA evaluation data available
LLM Stats Category Scores
(LLM Stats (zeroeval))Frontend Development70
Reasoning50
General50
Code50
Agents40
Tool Calling40
Pricing
Input Price$0 / 1M tokens
Output Price$0 / 1M tokens
Blended Price (3:1)$0 / 1M tokens
Cache Read PriceFree
Cache Write PriceFree
Speed
No speed data available
Provider Price Ranking
Provider Price Ranking
1 providers
ProviderInputOutput
1PoolsidePRIMARY
$0
$0
Compare pricing across different API providers for this model.