$ diff hy4-preview laguna-s-2-1
Hy4 preview vs Laguna S 2.1
Values come from Hy4 preview 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.
TencentHy4 preview
- context
- 1M
- weights
- open
- $/M in
- $0.834
- $/M out
- $2.501
- context
- 1M
- weights
- open
- $/M in
- —
- $/M out
- —
What actually differs
- Context window
- Identical — both accept 1M tokens, so context length is not a reason to pick either.
- Weights
- Both publish weights — Hy4 preview under Apache-2.0, Laguna S 2.1 under OpenMDW-1.1 (open-weight). Check the licences rather than assuming they permit the same commercial use.
- Recency
- Hy4 preview shipped 38 days after Laguna S 2.1 (2026-08-28 vs 2026-07-21).
Full spec
| Attribute | Hy4 preview | Laguna S 2.1 |
|---|---|---|
| Developer | Tencent | Poolside |
| Released | 2026-08-28 | 2026-07-21 |
| Context window | over 1,000,000 | 1M |
| Pricing | $0.834/M input · $2.501/M output | not recorded |
| License | Apache-2.0 | OpenMDW-1.1 (open-weight) |
| Availability | Hugging Face (BF16 + FP8), ModelScope, GitCode, CNB, Tencent Cloud TokenHub, OpenRouter, WorkBuddy, CodeBuddy, Yuanbao, ima | Hugging Face |