All Models

Laguna S 2.1 (free)

laguna-s Reasoning Tool Calling Open Weights

Laguna S 2.1 is the latest coding agent model from [Poolside](<https://poolside.ai/>). Laguna S 2.1 is a 118B total parameter model with 8B active parameters, scoring 70.2% on Terminal-Bench 2.1 and...

Providers 4
Released Jul 21, 2026
Input Modalities text
Output Modalities text
Tarsk Use coding

Available Providers (4)

Provider Model ID Input Cost Output Cost Context Max Output Docs
OpenRouter poolside/laguna-s-2.1:free $0/MTok $0/MTok 262.1K 32.8K
OpenCode Zen laguna-s-2.1-free $0/MTok $0/MTok 256K 32K
Vercel AI Gateway poolside/laguna-s-2.1-free $0/MTok $0/MTok 256K 32.8K
Kilo Gateway poolside/laguna-s-2.1:free $0/MTok $0/MTok 262.1K 32.8K

Capabilities

Reasoning
Tool Calling
Attachments
Open Weights
Structured Output