Back to News
PoolsideJuly 21, 2026

Laguna S 2.1

Open Source
AI Agent
Coding Assistant
Open Weights
LLM

Explore Laguna S 2.1

Visit the official website to learn more and get started

### TL;DR

Laguna S 2.1 is an advanced 118B Mixture-of-Experts (MoE) agentic coding model featuring 8B activated parameters per token. It is specifically designed for long-horizon software engineering tasks and complex reasoning, capable of operating within a 1M token context window.

Key Insights & Metrics

Pricing
Free Open-Weight; $0.10 input, $0.20 output and $0.01 cache-read per 1M tokens
Cost structure
Version
2.1
Current release version
Hardware
Anywhere from a single 80GB GPU (or 64GB+ system RAM for hybrid offloading) for 4-bit quantized models, up to ~236GB+ VRAM across multiple GPUs for full BF16 precision
Compute requirements
Category
Open Source
Licensing model
Region
United States
Primary region

Key Features

  • Mixture-of-Experts (MoE) architecture with 118B total parameters and 8B activated parameters
  • Supports a 1M token context window in both thinking and no-thinking modes
  • Agentic capabilities optimized for long-horizon coding and complex software engineering
  • High transparency with full evaluation trajectories publicly available for all benchmarks
  • Efficient size suitable for deployment on local hardware

Discussion

0
Upvotes
0
Downvotes
0 reviews

Sign in to leave a review

Reviews

No reviews yet. Be the first to review!

🚀 Join the AI dev community — follow us everywhere

© 2026 MARKTECHPOST AI MEDIA INC. All rights reserved.Terms & ConditionsPrivacy Policy
Beta Mode