Model record
Laguna S 2.1 model overview
Laguna S 2.1 is a open weights model from Poolside. It was released on July 21, 2026. Its strongest case is million-token context, while buyers should account for hosted prices are endpoint-specific and not represented as canonical model prices.
Laguna S 2.1 benchmark snapshot
| Evaluation | Reported score | What it probes |
|---|---|---|
| MMLU-Pro | Not reported | Broad knowledge and multi-step reasoning |
| GPQA Diamond | Not reported | Graduate-level science reasoning |
| SWE-bench Verified | Not reported | Verified real-repository issue resolution |
| LiveCodeBench | Not reported | Contamination-aware competitive programming |
| SWE-Bench Pro | Not reported | Longer, harder professional software tasks |
| Artificial Analysis Intelligence Index | Not reported | Composite third-party capability index; version matters |
Scores are percentages reported by model creators or benchmark maintainers under varying settings. A blank is preferable to an inferred result. See our methodology.
Laguna S 2.1 strengths
- Million-token context
- Downloadable OpenMDW weights
- Low active fraction for coding and agent work
Laguna S 2.1 limitations
- Hosted prices are endpoint-specific and not represented as canonical model prices
- Runtime compatibility requires separate verification
- OpenMDW is not an OSI-approved license
Source record
Specifications and scores are linked to the best source located during review. Provider-reported results are not presented as third-party lab reproductions.
Source limitation: First-party announcement: https://poolside.ai/blog/introducing-laguna-s-2-1. The free hosted alias is not a separate model. Provider-authored vLLM instructions are not treated as separately verified runtime-maintainer compatibility evidence.
Read Poolside Laguna S 2.1 model card ↗