Laguna-S-2.1-base

<p align="center"> <img alt="poolside-banner" src="https://poolside.ai/assets/laguna/laguna-s-2-1-banner.svg" width="800px"> </p> <p align="center"> <a href="https://openrouter.ai/poolside/laguna-s-2.1"><strong>Use on OpenRouter</strong></a> · <a href="https://vercel.com/ai-gateway/models/laguna-s-2.1"><strong>Use on Vercel AI Gateway</strong></a> · <a href="https://poolside.ai/blog/introducing-laguna-s-2-1"><strong>Release blog post</strong></a> </p> <br>

Laguna S 2.1-base

Laguna S 2.1-base is the base (pre-trained, not post-trained) model behind Laguna S 2.1. It is a 118B total parameter Mixture-of-Experts model with roughly 8B activated parameters per token, using interleaved full and sliding-window attention over 48 layers, with 256 routed experts and 1 shared expert.

Please note that we are not making the base model available publicly. Researchers who wish to use the model can reach out to us at [email protected].

This is a base model. It has not been instruction tuned and has no chat, reasoning or tool-calling behaviour. For those, use Laguna S 2.1.

Benchmark results

Short context:

Long context:

License

This model is licensed under the OpenMDW-1.1 License.

Intended and Responsible Use

Laguna S 2.1-base is designed for software engineering and agentic coding use cases, and you are responsible for confirming that it is appropriate for your intended application. Laguna S 2.1-base is subject to the OpenMDW-1.1 License, and should be used consistently with Poolside's Acceptable Use Policy. We advise against circumventing Laguna S 2.1-base safety guardrails without implementing substantially equivalent mitigations appropriate for your use case.

Please report security vulnerabilities or safety concerns to [email protected].