Poolside: Laguna S 2.1
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...
Everything else
| Max output | 131K |
|---|---|
| Input / 1M | $0.1 |
| Output / 1M | $0.2 |
| Cache read / 1M | $0.01 |
| Cache write / 1M | — |
| 1M in + 1M out | $0.3 |
| Takes | text |
| Returns | text |
| Tools | yes |
| Reasoning | optional |
| Open weights | yes |
| Released | 2026-07-21 |
| Knowledge cutoff | — |
| Retires | — |
| Catalog id | poolside/laguna-s-2.1 |
Using it
In 00, this model is picked per agent — and per tier, so the model that answers your customers need not be the one that writes your code. Get 00.