Poolside (@poolsideai) announced that open weights are now their default and released Laguna M.1, described as their most capable model, on 2026-06-18. Laguna M.1 supports a 256K token context window, and both base and post-trained checkpoints are published on Hugging Face under the Apache 2.0 license.
Poolside (@poolsideai) says “Open weights are now our default,” announcing an openness policy change tied to a new model release.
"Open weights are now our default" huggingface.co/collections/p…
Poolside (@poolsideai)
Today we’re releasing the weights for Laguna M.1,
our most capable model to date, with a 256K context length.
Both base and post-trained checkpoints are now available on Hugging Face under Apache 2.0.
— https://nitter.net/poolsideai/status/2067623353230217448#m