Laguna XS.2

poolside · released 2026-04-28 · apache-2.0 license

Laguna XS.2 is Poolside's 33B-total / 3B-active open MoE coding model (Apache-2.0, April 2026): SWE-bench Verified 68.2, SWE-bench Pro 44.5 (vendor). Coding-focused, no independent verification sourced yet.

Key specs

TypeLocal open-weight
Parameters33.44B total · MoE, — active
Architecturelaguna
Context window262K tokens
Knowledge cutoff
Modalitiestext
Recommended backends
Minimum viable rig

Benchmark scores

GPQA Diamond
SWE-bench Verified68.2%
AIME
MMLU-Pro
BFCL v3 (tool use)
Composite score6.7
Community ratingNo reviews yet

VRAM & disk per quantization

QuantVRAMDiskRAMContext
Q4_K_M20.9 GB19.4 GB262K

Strengths & weaknesses

Strengths: Strong agentic coding for its size (33B total / 3B active MoE); Runs locally (Apache-2.0, ~36GB), native interleaved reasoning, 131K context

Weaknesses: Terminal-Bench (30.1) trails similar-size rivals; Coding-specialised; no general-knowledge benchmarks published