$ diff k2-horizon laguna-s-2-1
K2 Horizon vs Laguna S 2.1
Values come from K2 Horizon and Laguna S 2.1, where each is cited to its source. This page states no benchmark result and ranks neither model — it puts two published specifications next to each other. Where a lab has not published a figure, the row says so rather than guessing.
IfmK2 Horizon
- context
- 524K
- weights
- open
- $/M in
- —
- $/M out
- —
- context
- 1M
- weights
- open
- $/M in
- —
- $/M out
- —
What actually differs
- Context window
- Laguna S 2.1 takes 1M against 524K — modestly more room in a single request.
- Weights
- Both publish weights — K2 Horizon under Apache 2.0 (weights and code), Laguna S 2.1 under OpenMDW-1.1 (open-weight). Check the licences rather than assuming they permit the same commercial use.
- Recency
- K2 Horizon shipped 44 days after Laguna S 2.1 (2026-09-03 vs 2026-07-21).
Full spec
| Attribute | K2 Horizon | Laguna S 2.1 |
|---|---|---|
| Developer | Ifm | Poolside |
| Released | 2026-09-03 | 2026-07-21 |
| Context window | 524,288 (flagship 375B-A23B, native from midtraining onward) | 1M |
| Pricing | not recorded | not recorded |
| License | Apache 2.0 (weights and code) | OpenMDW-1.1 (open-weight) |
| Availability | Hugging Face (weights, code, checkpoints, training data where redistributable) | Hugging Face |