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Poolside·Jun 29, 2026·v2.1·open source

Laguna-XS-2.1

Laguna-XS-2.1 is a 33B parameter Mixture-of-Experts (MoE) model designed for agentic coding and complex, long-horizon tasks. Featuring 3B activated parameters per token, it provides enhanced performance on benchmarks like SWE-bench Multilingual while remaining efficient enough to run on local hardware.

mixture-of-expertscoding-agentllmlocal-ai
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overview

Laguna-XS-2.1 is a 33B parameter Mixture-of-Experts (MoE) model designed for agentic coding and complex, long-horizon tasks. Featuring 3B activated parameters per token, it provides enhanced performance on benchmarks like SWE-bench Multilingual while remaining efficient enough to run on local hardware.

key features
  • 0133B total parameters with 3B activated per token
  • 02Mixed sliding window and global attention layout (3:1 ratio)
  • 03Native reasoning support with interleaved thinking capabilities
  • 04FP8 KV cache quantization for memory efficiency
  • 05Agentic coding optimization with strong terminal-task performance
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