:

POOLSIDE RELEASES 118B LAGUNA S 2.1 MODEL

AI DESK1 MIN READ
TUE, JUL 21, 2026

■ AI-SUMMARIZED FROM 1 SOURCE ▸ TIMELINE

Poolside has launched Laguna S 2.1, an 118-billion parameter open-weight model designed for agentic coding and long-horizon tasks. The company claims it competes with significantly larger open models.

Laguna S 2.1 targets developers working on complex coding projects and agent-based systems that require sustained reasoning over extended sequences. The model's open-weight architecture allows developers to deploy and fine-tune it locally without proprietary restrictions. Poolside positions the release as a response to competitive pressure from Chinese open-source models including Kimi, Deepseek, and Qwen, which have gained significant traction in the AI tools market. The company joins American startups attempting to challenge this momentum, including efforts from Mira Murati's Thinking Machines and others. The 118B parameter scale represents a middle ground in the current model hierarchy, offering performance improvements over smaller models while remaining computationally more efficient than frontier-scale alternatives. Availability and pricing details for Laguna S 2.1 were not immediately specified.

■ SOURCES

Techmeme

■ SUMMARY WRITTEN BY AI FROM THE LINKS ABOVE

■ MORE FROM THE AI DESK

Kimi K3 has arrived as a frontier-class open-weight model, demonstrating that advanced AI development can thrive even under GPU constraints. The achievement reflects the Kimi team's organizational culture and approach to resource-limited innovation.

JUST NOWAI Desk

Chinese entertainment platform Newborn Town is expanding its use of artificial intelligence to produce short dramas, aiming to reduce production costs while reaching audiences across emerging markets.

JUST NOWAI Desk

Streaming services are abandoning their specialized formats as artificial intelligence makes content creation, organization, and recommendations simpler. Spotify, Netflix, YouTube, and TikTok are converging into all-purpose entertainment destinations.

1H AGOAI Desk

Wealth managers earning upwards of $500,000 annually are deploying AI to handle routine tasks, redirecting their focus toward client advisory work. The technology shift marks an early adaptation phase as the industry grapples with automation's broader implications.

1H AGOAI Desk

■ SUBSCRIBE TO THE DAILY BRIEF

ONE EMAIL, 5 STORIES, 06:00 UTC. UNSUBSCRIBE ANYTIME.