NVIDIA Nemotron 3 Ultra is an open frontier-reasoning and orchestration model from NVIDIA, with 55B active parameters out of 550B total (MoE). Built on a hybrid Transformer-Mamba mixture-of-experts architecture, it...
15 providers
Model catalog
Models
Every model in the catalog with source-linked pricing, context limits, provider availability, and published benchmark results.
Laguna XS 2.1 is the latest coding agent model in the 33B-A3B category from [Poolside](https://poolside.ai/) and a step forward from their Laguna XS.2 model (released in April 2026). It combines...
6 providers
| Model | Creator | Score | Inputs | Context | Input | Output | Released | Compare |
|---|---|---|---|---|---|---|---|---|
| NVIDIA: Nemotron 3 Ultranvidia/nemotron-3-ultra-550b-a55b | NVIDIA |
67.7 | 256K | $0.625 | $3.125 | 2026-06-04 | ||
| Poolside: Laguna XS 2.1poolside/laguna-xs-2.1 | Poolside |
63.1 | 262.144K | $0.06 | $0.12 | 2026-07-02 |