Laguna S 2.1

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A 118B parameter agentic coding model with a 1M token context window.

byPoolside

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Description

Laguna S 2.1 is a Mixture-of-Experts (MoE) coding model optimized for long-horizon engineering tasks and complex reasoning. It features a 1M token context window and a thinking mode that enables autonomous achievements like building a rendering engine from scratch and solving mathematical conjectures.

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Details

Why this is interesting: A frontier coding model that achieves state-of-the-art agentic performance with an massive context window and…
Attributed to: @poolsideai
Built with: Laguna S 2.1 Reve 2.1
Links: poolside.ai
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Tags: #coding #agent #moe #reasoning

Discovered: X
First posted: X · Jul 21, 2026
Listed: Added 9h ago
Build: Strong
Models: Strong

Prompt

Hi! Can you make a fun, pool-themed variant of Tetris in game.html? It really should be pool-themed, since Poolside made you! And lots of sparks (I mean lots of sparks) since you're running on a DGX Spark!

Source

Laguna S 2.1

Description

Timeline

Laguna S 2.1

Description

Timeline